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

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

When to go to Rock River Valley, Illinois, United States of America

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

What to wear/what to pack for Rock River Valley, Illinois, United States of America by month

January

January in Rock River Valley can be extremely cold and somewhat rainy. The average overnight temperatures in the area are in the low 10s F (10+ below zero C), with a few days below 0 F (10+ below zero C).

It tends to rain 5-10 days this month.

What to wear/what to pack:

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

February

February in this region is very cold. Temperatures average in the 30s F (single digits C) during the day. It rains regularly.

What to wear/what to pack:

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

March

March in this region is cold and somewhat rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

April

April for Rock River Valley is crisp and somewhat rainy. Temperatures average in the low 60s F (high 10s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

May

May in Rock River Valley is balmy and somewhat rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

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

June

If you visit Rock River Valley during June, you are likely to find that it is hot and somewhat rainy. 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).

In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

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

July

If you vacation in Rock River Valley during July, you are likely to find that it is extremely hot and somewhat rainy. Temperatures tend to hover around the 80s F (low 20s 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 regularly.

What to wear/what to pack:

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

August

If you go to Rock River Valley in August, you will notice that it is hot. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

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

September

September in this region is a perfect temperature. Temperatures average in the 70s F (mid 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

October

October in Rock River Valley is cool. 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). It tends to rain 5-10 days this month.

What to wear/what to pack:

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

November

November in Rock River Valley is brisk. The average overnight temperatures in the area are in the low 30s F (single digits below 0 C). It tends to rain regularly.

What to wear/what to pack:

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

December

December in Rock River Valley is frigid and somewhat rainy. 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.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Rock River Valley, Illinois, United States of America

Here are some general tips on what to wear in Rock River Valley, 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 Rock River Valley

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