Southwestern Idaho, Idaho, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to Southwestern Idaho, Idaho, United States of America? If you're planning to go to Southwestern Idaho, I have some important information about when to go, what to wear, and what to pack.

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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 Southwestern Idaho, Idaho, United States of America

Based on the climate and weather in Southwestern Idaho, the best time to go is July. See below for details.

Important essentials for Southwestern Idaho, Idaho, United States of America

Here are some general tips on what to wear in Southwestern Idaho, as well as several items to remember to pack when traveling there.

COVID-19 ESSENTIALS FOR 2022


  • A vaccine card protector

    Vaccine cards may become worn. An unreadable vaccine card can have severe consequences. This vaccine card protector helps avoid that.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of COVID protection possible.


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • Hand sanitizer

    This hand sanitizer is a good TSA-friendly choice.


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).

General health necessities

Don't forget these

What to wear/what to pack for Southwestern Idaho, Idaho, United States of America by month

Already know when you're traveling?

January

January for Southwestern Idaho is cold. Temperatures average in the high 30s F (single digits C) during the day.

What to wear/what to pack:

February

Traveling to Southwestern Idaho in February, you will notice that it is pretty cool. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

March

Traveling to Southwestern Idaho in March, you will notice that it is pretty cool. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

April

If you are traveling to Southwestern Idaho in April, you will notice that it is chilly. Daytime temperatures are in the low 60s F (mid 10s C).

What to wear/what to pack:

May

May for Southwestern Idaho is balmy. Temperatures average in the low 70s F (low 20s C) during the day.

What to wear/what to pack:

June

If you go to Southwestern Idaho in June, you will notice that it is a perfect temperature and dry with little rain. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

July

If you vacation in Southwestern Idaho during July, you may notice that it can be very hot and dry with little rain. Temperatures tend to hover around the high 80s F (low 30s C) during the day, while at night they can dip into the high 40s F (single digits C).

What to wear/what to pack:

August

August in this region can be very hot and dry with little rain. Temperatures average in the high 80s F (low 30s C) during the day.

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September

If you go to Southwestern Idaho in September, you will notice that it is warm and dry with little rain. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

October

October in this region can be chilly. Temperatures average in the 60s F (high 10s C) during the day.

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November

November for Southwestern Idaho can be very chilly. Temperatures average in the high 40s F (single digits C) during the day.

What to wear/what to pack:

December

December in Southwestern Idaho can be brisk. 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).

What to wear/what to pack:

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