Giant City State Park, Illinois, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to Giant City State Park, Illinois, United States of America

Based on the climate and weather in Giant City State Park, the best time to go is August. See below for details.

What to wear/what to pack for Giant City State Park, Illinois, United States of America by month

January

January is beyond freezing. Temperatures average in the high 20s F (single digits below 0 C) during the day. It rains or snows regularly.

What to wear/what to pack:

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

February

February is freezing. Temperatures average in the low 30s F (single digits C) during the day. It rains or snows regularly.

What to wear/what to pack:

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

March

In March, Giant City State Park is cold. Temperatures routinely are in the 40s F (single digits C) range.

At night, lows are in the 20s F (single digits below 0 C). This is also a rainy time for Giant City State Park, with several of the days of the month having rain.

What to wear/what to pack:

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

April

April in Giant City State Park is relatively cool. The average overnight temperatures in the area are in the high 30s F (single digits C).

What to wear/what to pack:

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

May

May in Giant City State Park is mild. Temperatures average in the low 70s F (low 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

June

June in this region is hot. Temperatures average in the low 80s F (high 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

July

July in Giant City State Park is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (high 20s C).

What to wear/what to pack:

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

August

August in Giant City State Park is hot. Temperatures average in the low 80s F (high 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

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

September

If you vacation in Giant City State Park during September, you are likely to find that it is a perfect temperature. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

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

What to wear/what to pack:

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

October

If you visit Giant City State Park during October, you are likely to find that it is relatively cool. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the high 30s F (single digits C).

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

What to wear/what to pack:

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

November

November in Giant City State Park is pretty cool. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the high 30s F (single digits C) to high 40s F (single digits C).

What to wear/what to pack:

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

December

Traveling to Giant City State Park in December, you will notice that it can be extremely cold. Expect it to rain or snow about a third of the time. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for Giant City State Park, Illinois, United States of America

Here are some general tips on what to wear in Giant City State Park, 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 Giant City State Park

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