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

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

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

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

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

January

If you go to Petersburg in January, you will notice that it can be extremely cold. Expect it to snow occasionally. Daytime temperatures are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

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

February

February in Petersburg is freezing. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C). It snows sometimes.

What to wear/what to pack:

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

March

March in Petersburg is cold. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

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

April

April here is crisp. Temperatures average in the low 60s F (mid 10s C) during the day.

What to wear/what to pack:

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

May

May in this region is balmy. Temperatures average in the low 70s F (low 20s C) during the day.

What to wear/what to pack:

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

June

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

What to wear/what to pack:

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

July

If you visit Petersburg during July, you are likely to find that it is constantly hot.

Temperatures tend to hover around the 80s F (low 20s C) during the day, while at night they can dip into the low 60s F (high 10s C).

What to wear/what to pack:

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

August

If you vacation in Petersburg during August, you are likely to find that it is extremely warm.

Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

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

September

September in Petersburg is a perfect temperature. The rain can amount to several inches/centimeters. During this time, temperatures average in the 70s F (mid 20s C).

What to wear/what to pack:

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

October

If you are traveling to Petersburg in October, you will notice that it is cool. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

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

November

November in Petersburg 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:

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

December

December can be extremely cold. Temperatures average in the 30s F (single digits C) during the day. It snows sometimes.

What to wear/what to pack:

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

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

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

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