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

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

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

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

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

January

January in Jacksonville 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 sometimes.

What to wear/what to pack:

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

February

February in Jacksonville is pretty cool. The rain/snow can amount to several inches/centimeters.

During this time, temperatures average in the low 30s F (single digits below 0 C) to low 40s 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:

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

March

March in Jacksonville is pretty cool. The average overnight temperatures in the area are in the low 30s F (single digits below 0 C). It tends to rain occasionally.

What to wear/what to pack:

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

April

Traveling to Jacksonville in April, you will notice that it is balmy. Expect it to rain occasionally. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

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

May

May in Jacksonville is warm. 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
  • Light footwear
  • Skirts
  • Waterproof luggage
  • Dresses
  • Shorts or short pants
  • Umbrella
  • Waterproof footwear
  • Rain coat
  • Sandals
  • Long and short sleeve shirts

June

June for Jacksonville is extremely warm. Temperatures average in the 80s F (high 20s C) during the day. It rains sometimes.

What to wear/what to pack:

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

July

July in Jacksonville is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

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

August

If you vacation in Jacksonville during August, you are likely to find that it is constantly hot. Temperatures tend to hover around the high 80s F (low 30s C) during the day, while at night they can dip into the 60s F (high 10s C).

In terms of precipitation, you can expect it to rain sometimes.

What to wear/what to pack:

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

September

September is a perfect temperature. Temperatures average in the low 70s F (high 20s C) during the day. It rains occasionally.

What to wear/what to pack:

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

October

October in Jacksonville is balmy. Temperatures average in the high 60s F (low 10s C) during the day. It rains once in a while.

What to wear/what to pack:

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

November

November in Jacksonville is cold. The average overnight temperatures in the area are in the low 30s F (single digits C), with a few days below 20 F (single digits below 0 C). It tends to rain once in a while.

What to wear/what to pack:

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

December

December in Jacksonville can be very chilly. The rain/snow can amount to several inches/centimeters.

During this time, temperatures average in the low 30s F (single digits below 0 C) to high 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:

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

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

Here are some general tips on what to wear in Jacksonville, 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 Jacksonville
  • Appropriate museum wear

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