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

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

When to go to Washington, Illinois, United States of America

Based on the climate and weather in Washington, the best time to go is September. See below for details.

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

January

January in Washington is frosty. The average overnight temperatures in the area are in the 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It snows once in a while.

What to wear/what to pack:

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

February

Traveling to Washington in February, you will notice that it can be brisk. Expect it to snow occasionally. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

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

March

Traveling to Washington in March, you will notice that it can be very chilly. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

  • Sweaters
  • Heavy jacket
  • Waterproof boots
  • Waterproof coat
  • Gloves or mittens
  • Warm pants or jeans
  • Heavy socks
  • If you plan to ski, ski equipment
  • Cold weather footwear
  • Umbrella

April

April in Washington is cool. Temperatures average in the 60s F (high 10s C) during the day.

What to wear/what to pack:

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

May

May in Washington is a perfect temperature. Temperatures average in the 70s F (low 20s C) during the day.

What to wear/what to pack:

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

June

June is pretty consistently hot. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

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

July

July here is extremely hot. Temperatures average in the 80s F (low 20s C) during the day.

What to wear/what to pack:

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

August

If you are traveling to Washington in August, you will notice that it is hot. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

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

September

If you vacation in Washington during September, you are likely to find that it is warm.

Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

What to wear/what to pack:

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

October

October in Washington is balmy. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

What to wear/what to pack:

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

November

If you visit Washington during November, you are likely to find that it is pretty cool.

Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

What to wear/what to pack:

  • Warm pants or jeans
  • Umbrella
  • Light gloves or mittens
  • Socks
  • Jacket or coat
  • Waterproof coat
  • Standard footwear
  • Fleeces
  • Waterproof boots
  • If you plan to ski, ski equipment

December

If you are traveling to Washington in December, you will notice that it is cold. Expect it to snow sometimes. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for Washington, Illinois, United States of America

Here are some general tips on what to wear in Washington, 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 Washington

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