Williamsville, Illinois, United States of America: What to pack, what to wear, and when to go [2022]
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Traveling to Williamsville, Illinois, United States of America? If you're planning to go to Williamsville, this is some important information about when to go, what to wear, and what to pack.
Contents
- When to go to Williamsville
- Important essentials for Williamsville
- Activities for Williamsville
- Williamsville in January: weather and what to pack
- Williamsville in February: weather and what to pack
- Williamsville in March: weather and what to pack
- Williamsville in April: weather and what to pack
- Williamsville in May: weather and what to pack
- Williamsville in June: weather and what to pack
- Williamsville in July: weather and what to pack
- Williamsville in August: weather and what to pack
- Williamsville in September: weather and what to pack
- Williamsville in October: weather and what to pack
- Williamsville in November: weather and what to pack
- Williamsville in December: weather and what to pack

About your travel guide
Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.
When to go to Williamsville, Illinois, United States of America
Based on the climate and weather in Williamsville, the best time to go is September. See below for details.
Important essentials for Williamsville, Illinois, United States of America
Here are some general tips on what to wear in Williamsville, as well as several items to remember to pack when traveling there.
COVID-19 ESSENTIALS FOR 2022
-
Hand sanitizer
This hand sanitizer is an excellent TSA-friendly option.
-
N95 masks to use in crowded airports
These N95 masks provide the best level of protection possible.
-
A vaccine card protector
Vaccine cards may get worn. An unreadable vaccination card can have severe consequences. This vaccine card protector helps stop that.
-
Kids' KN95 masks
N95 masks don't exist for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).
-
Travel disinfecting wipes
Use these to sanitize plane and hotel surfaces.
Travel insurance
If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans
General health necessities
Don't forget these
-
Money/passport pouch
A money pouch is vital for protecting your passport and credit cards.
-
Airplane or car necessities
-
Plug adapter
A plug adapter that supports outlet types A and B. This one should work in most locations, but you may want to check with your hotel.
-
Power bank for devices
A portable power bank, like this one
-
Voice and data SIM card
A SIM card that works in Williamsville. A good global SIM card works in most countries, but check the country list before buying.
-
For families with young children
What to wear/what to pack for Williamsville, Illinois, United States of America by month
Already know when you're traveling?
January
January in Williamsville is frosty. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain regularly. It also snows once in a while. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.
What to wear/what to pack:
-
Extreme cold weather gloves
-
Scarf/neck warmer
-
Coveralls/snow pants
Here are some of our favorites:
-
Fleece inner layer
-
Lip balm
The best option: here
-
Heavy sweaters
-
Thermal undergarments
We like:
-
Pajamas
-
Very heavy heated socks
Like these
-
Insulated ice boots
We use:
-
Extreme weather jacket shell
These are a great value:
-
Waterproof snow boots
In addition to day-to-day footwear, you should bring snow boots. For travel to Williamsville (Illinois), we suggest these boots:
-
Waterproof jacket that can be used in snow
-
A wind resistant umbrella
This is vital here. This one is an excellent option.
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
February
February in Williamsville is brisk. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 30s F (single digits C), although night temperatures can dip into the low 20s F (single digits below 0 C).
What to wear/what to pack:
-
Gloves
-
Heavy socks
Such as:
-
Warm pants or jeans
-
Insulated water bottle
Our choice:
-
Sweaters
-
Heavy jacket
-
Lip balm
Our favorite option: here
-
Cold weather footwear
-
Waterproof snow boots
In addition to standard shoes, it's important to bring snow boots. For travel to Williamsville (Illinois), we suggest these boots:
-
Waterproof jacket that can be used in snow
-
A windproof umbrella
This is essential in this type of weather. This one is an excellent choice.
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
March
March in Williamsville is pretty cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C), although night temperatures can dip into the low 20s F (single digits below 0 C).
What to wear/what to pack:
-
Lip balm
In our opinion, the best pick: here
-
Light gloves or mittens
-
Extra socks
-
Warm pants or jeans
-
Fleece
-
Jacket or coat
-
Standard footwear
-
Waterproof snow boots
In addition to day-to-day footwear, you should bring snow boots. For traveling to Williamsville (Illinois), a great option is these boots:
-
Waterproof jacket that can be used in snow
-
A wind resistant umbrella
This is something you need here. This one is a perfect choice.
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
April
April in Williamsville is chilly and somewhat rainy. Temperatures average in the 60s F (high 10s C) during the day. It rains regularly.
What to wear/what to pack:
-
Standard footwear
-
Dresses
-
Pants or jeans
-
Extra socks
-
Light and heavy skirts
-
Long sleeve shirts or blouses
-
Light jacket or fleece
-
A rain coat to layer with another jacket
-
100% waterproof footwear
We use these rain boots:
-
Rain pants
These pants will be vital in a storm.
-
Waterproof phone bag
-
Windproof umbrella
This one is a great choice.
-
Waterproof bag/luggage cover
So your belongings stay dry. We recommend:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
May
If you go to Williamsville in May, you will notice that it is a perfect temperature and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the 70s F (mid 20s C).
What to wear/what to pack:
-
Long and short sleeve shirts
-
Sunscreen lotion
-
Bug repellent
-
Light dresses
You can find some great options here
-
Short pants or heavy shorts
-
Breathable footwear or sandals
-
Extra socks
-
Light skirts
-
Sandals
-
A rain jacket to layer with another jacket
-
100% waterproof footwear
We recommend rain boots:
-
Rain pants
Rain pants will be essential in heavy rain.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a great choice.
-
Waterproof bag/luggage cover
So your suitcases don't get wet. We like:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
June
June here is pretty consistently hot and somewhat rainy. Temperatures average in the low 80s F (high 20s C) during the day. It rains a bit less than half of the time.
What to wear/what to pack:
-
Bug repellent
-
Breatheable shirts
A cooling shirt can make you comfortable and protect you from the sun:
-
Waterproof sandals
-
Insulated water bottle
Our first choice also cleans contaminants:
-
Sunglasses
-
Skirts
-
Loose-fit shorts
-
Sunscreen lotion, moderate SPF
-
Cool and dry dresses
These dresses offer UV protection and help you stay cool.
-
A rain coat to layer with another jacket
-
100% waterproof footwear
We use rain boots:
-
Rain pants
These are vital in heavy rain.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is an excellent one to buy.
-
Waterproof bag/luggage cover
So your bags remain dry. We recommend:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
July
July in Williamsville is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 70s F (mid 20s C) to 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).
What to wear/what to pack:
-
Loose-fit shorts
-
Bug repellent
-
Sunglasses
-
Sunscreen lotion, moderate SPF
-
Insulated water bottle
Our pick also removes harmful contaminants:
-
Waterproof sandals
-
Skirts
-
Cool and dry dresses
These dresses include UV protection and cool you.
-
Breatheable shirts
A breatheable shirt can cool you down quickly and guard against the sun:
-
A rain poncho to layer with a jacket
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These can be a lifesaver in a storm.
-
Waterproof phone bag
-
Umbrella
This one is a great option.
-
Waterproof bag/luggage cover
So your bags don't get wet. We suggest:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
August
If you visit Williamsville during August, you may see that it is hot. Temperatures tend to hover around the 80s F (high 20s C) during the day, while at night they can dip into the 60s F (high 10s C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.
What to wear/what to pack:
-
Skirts
-
Breatheable shirts
A cooling shirt can make you comfortable and protect you from the sun:
-
Sunglasses
-
Sunscreen lotion, moderate SPF
-
Loose-fit shorts
-
Cool and dry dresses
These dresses include UV protection and cool you.
-
Bug repellent
-
Insulated water bottle
Our pick also removes dangerous contaminants:
-
Waterproof sandals
-
A rain jacket to layer with another jacket
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These are a lifesaver in a rainstorm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is an excellent one to buy.
-
Waterproof bag/luggage cover
So your belongings remain dry. We recommend:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
September
September in Williamsville is a perfect temperature. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).
What to wear/what to pack:
-
Bug repellent
-
Sunscreen lotion
-
Long and short sleeve shirts
-
Light dresses
You can find some great options here
-
Sandals
-
Extra socks
-
Light skirts
-
Short pants or heavy shorts
-
Breathable footwear or sandals
-
A rain coat to layer with another jacket
-
100% waterproof footwear
We use rain boots:
-
Rain pants
These pants can be vital in a storm.
-
Waterproof phone bag
-
Umbrella
This one is a perfect choice.
-
Waterproof bag/luggage cover
So your things remain dry. We suggest:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
October
October in Williamsville is balmy. Temperatures average in the 60s F (high 10s C) during the day. It rains about a third of the time.
What to wear/what to pack:
-
Light and heavy skirts
-
Pants or jeans
-
Long sleeve shirts or blouses
-
Standard footwear
-
Extra socks
-
Light jacket or fleece
-
Dresses
-
A rain jacket to layer with a jacket
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These pants are a lifesaver in heavy rain.
-
Waterproof phone bag
-
Windproof umbrella
This one is a great option.
-
Waterproof bag/luggage cover
So your bags don't get wet. We recommend:
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
November
If you vacation in Williamsville during November, you may see that it can be brisk. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally around 60 during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.
What to wear/what to pack:
-
Extra socks
-
Warm pants or jeans
-
Lip balm
In our opinion, the best choice: this
-
Fleece
-
Jacket or coat
-
Light gloves or mittens
-
Standard footwear
-
Waterproof snow boots
In addition to standard footwear, it's important to bring snow boots. For traveling to Williamsville (Illinois), a great option is these boots:
-
Waterproof jacket that can be used in snow
-
A wind resistant umbrella
This is essential here. This one is a perfect choice.
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
December
December for Williamsville can be very chilly and somewhat rainy. Temperatures average in the high 30s F (single digits C) during the day. It rains 5-10 days this month and snows once in a while.
What to wear/what to pack:
-
Insulated water bottle
Our fave:
-
Warm pants or jeans
-
Gloves
-
Heavy socks
Such as:
-
Sweaters
-
Lip balm
Our choice: here
-
Heavy jacket
-
Cold weather footwear
-
Waterproof snow boots
In addition to standard shoes, it's important to bring snow boots. For travel to Williamsville (Illinois), a great option is these boots:
-
Waterproof jacket that can be used in snow
-
A wind resistant umbrella
This is something you need here. This one is a perfect choice.
If you visit the Route 66 Dream Car Museum, wear museum-appropriate clothing and take:
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Comfy walking shoes
Activities for Williamsville, Illinois, United States of America
Here are some activity recommendations and activity-specific packing tips for Williamsville.
Check out our guides for these other locations: Meaux, France, Machhiwara, India, Jacmel, Haiti, Syvota, Greece, Angola, Angola, Carlow, Ireland, Madrid–Barajas Airport, Spain, Carleton, Michigan, United States of America, Cuckmere Haven, England, United Kingdom, Keystone, Colorado, United States of America, and Lindisfarne, England, United Kingdom.