Rock River Valley, Illinois, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to Rock River Valley, Illinois, United States of America? If you're planning to go to Rock River Valley, we've got some important information about when to go, what to wear, and what to pack.

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


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.

Important essentials 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.

IMPORTANT COVID-19 ESSENTIALS

Other health necessities


  • Travel first aid kit

    This one is a great one.


  • Emergency rapid COVID-19 test

    U.S. residents can get them free here. Otherwise, you can buy them here.


  • Emergency motion sickness relief

Don't forget these

Activities for Rock River Valley, Illinois, United States of America

Here are some activity recommendations and activity-specific packing tips for Rock River Valley.

We also recommend these top tours in and around Rock River Valley.

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

    Already know when you're traveling?

    January

    January in Rock River Valley can be extremely cold and somewhat rainy. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 20s F (single digits below 0 C) to low 20s F (single digits below 0 C), although night temperatures can dip into the single digits F (10+ below zero C).

    What to wear/what to pack:

    February

    Traveling to Rock River Valley in February, you will notice that it is very cold. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 30s F (single digits C).

    What to wear/what to pack:

    March

    March in Rock River Valley can be brisk and somewhat rainy. 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), although night temperatures can dip into the low 20s F (single digits below 0 C).

    What to wear/what to pack:

    April

    April in Rock River Valley is relatively cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

    What to wear/what to pack:

    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:

    June

    In June, Rock River Valley is extremely warm and somewhat rainy. Temperatures routinely are in the low 80s F (high 20s C) and sometimes jump into the low 90s F (low 30s C) range. At night, lows are in the low 60s F (mid 10s C). This is also a rainy time for Rock River Valley, with several of the days of the month having rain.

    What to wear/what to pack:

    July

    In July, Rock River Valley is extremely hot and somewhat rainy. Temperatures routinely are in the 80s F (low 20s C) and regularly jump into the low 90s F (low 30s C) range. At night, lows are in the 60s F (high 10s C). This is also a rainy time for Rock River Valley, with several of the days of the month having rain.

    What to wear/what to pack:

    August

    August in Rock River Valley is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (high 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

    What to wear/what to pack:

    September

    If you go to Rock River Valley in September, you will notice that it is a perfect temperature. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 70s F (mid 20s C).

    What to wear/what to pack:

    October

    October in Rock River Valley is relatively 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 about a third of the time.

    What to wear/what to pack:

    November

    November in Rock River Valley can be very chilly. The average overnight temperatures in the area are in the low 30s F (single digits below 0 C). It tends to rain a bit less than half of the time.

    What to wear/what to pack:

    December

    December in Rock River Valley is freezing and somewhat rainy. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero C).

    What to wear/what to pack:

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