Williamsville, Illinois, United States of America: What to pack, what to wear, and when to go [2018]

Traveling to Williamsville, Illinois, United States of America? If you're planning to go to Williamsville, here is some important information about when to go, what to wear, and what to pack:

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.

What to wear/what to pack for Williamsville, Illinois, United States of America by month

January

January in Williamsville is very cold. 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 about a third of the time.

It also snows sometimes. 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:

  • Sweaters
  • Multiple layer jacket shell
  • Scarf
  • Waterproof boots
  • Gloves
  • Insulated boots
  • Fleeces
  • Thermal undergarments
  • Waterproof coat
  • Pajamas, such as sweats
  • Very heavy socks
  • Umbrella

February

If you go to Williamsville in February, you will notice that it is pretty cool. Expect it to rain about a third of the time and snow sometimes. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

  • Gloves or mittens
  • Umbrella
  • Heavy socks
  • Warm pants or jeans
  • Waterproof boots
  • Heavy jacket
  • Cold weather footwear
  • Sweaters
  • Waterproof coat

March

March in Williamsville can be brisk and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C) to 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:

  • Socks
  • Warm pants or jeans
  • Fleeces
  • Standard footwear
  • Waterproof coat
  • Jacket or coat
  • Umbrella
  • Light gloves or mittens
  • Waterproof boots

April

April is relatively cool and somewhat rainy. Temperatures average in the 60s F (high 10s C) during the day. It rains regularly.

What to wear/what to pack:

  • Dresses
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Umbrella
  • Waterproof footwear
  • Long skirts
  • Light jacket or fleece
  • Standard footwear
  • Rain coat
  • Waterproof luggage
  • Socks

May

May in Williamsville is warm and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 60s F (high 10s C) to 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

  • Sunscreen lotion
  • Long and short sleeve shirts
  • Skirts
  • Waterproof luggage
  • Sandals
  • Rain coat
  • Shorts or short pants
  • Light footwear
  • Dresses
  • Umbrella
  • Waterproof footwear

June

June in Williamsville is extremely warm and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 80s F (high 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

  • Umbrella
  • Sandals
  • Skirts
  • Waterproof footwear
  • Dresses
  • Short sleeve shirts
  • Sunglasses
  • Sunscreen lotion
  • Shorts
  • Waterproof luggage
  • Rain coat

July

If you vacation in Williamsville during July, you are likely to find that it is constantly hot. Temperatures tend to hover around the 80s F (low 30s 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:

  • Umbrella
  • Sunglasses
  • Dresses
  • Waterproof luggage
  • Shorts
  • Sandals
  • Short sleeve shirts
  • Sunscreen lotion
  • Rain coat
  • Waterproof footwear
  • Skirts

August

August in this region is extremely warm. Temperatures average in the 80s F (high 20s C) during the day. It rains regularly.

What to wear/what to pack:

  • Sunglasses
  • Waterproof footwear
  • Rain coat
  • Sandals
  • Shorts
  • Umbrella
  • Dresses
  • Waterproof luggage
  • Short sleeve shirts
  • Skirts
  • Sunscreen lotion

September

If you go to Williamsville in September, you will notice that it is a perfect temperature. Expect it to rain 5-10 days this month. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Dresses
  • Light footwear
  • Shorts or short pants
  • Rain coat
  • Umbrella
  • Waterproof luggage
  • Sandals
  • Skirts
  • Long and short sleeve shirts
  • Waterproof footwear
  • Sunscreen lotion

October

If you vacation in Williamsville during October, you are likely to find that it is balmy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).

Humidity is generally around 50 during the day. In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

  • Pants or jeans
  • Long sleeve shirts or blouses
  • Umbrella
  • Waterproof footwear
  • Dresses
  • Waterproof luggage
  • Standard footwear
  • Socks
  • Long skirts
  • Rain coat
  • Light jacket or fleece

November

If you go to Williamsville in November, you will notice that it is pretty cool. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

  • Waterproof boots
  • Waterproof coat
  • Socks
  • Umbrella
  • Jacket or coat
  • Standard footwear
  • Warm pants or jeans
  • Light gloves or mittens
  • Fleeces

December

December in this region is brisk and somewhat rainy. Temperatures average in the high 30s F (single digits C) during the day. It rains a bit less than half of the time and snows sometimes.

What to wear/what to pack:

  • Umbrella
  • Heavy socks
  • Gloves or mittens
  • Sweaters
  • Waterproof coat
  • Waterproof boots
  • Warm pants or jeans
  • Heavy jacket
  • Cold weather footwear

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Williamsville
  • Appropriate museum wear

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