St. Mary, Montana, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to St. Mary, Montana, United States of America? If you're planning to go to St. Mary, I'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 St. Mary, Montana, United States of America

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

Important essentials for St. Mary, Montana, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • Travel insurance that includes COVID-19 coverage

    Cases are climbing again, and areas are returning to lockdown. If you or a companion get COVID-19, you may be stuck with no way home -- but travel insurance can protect you. Learn more about COVID-19 and travel insurance


  • Hand sanitizer

    This hand sanitizer is an easy-to-carry plane-friendly choice.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Kids' KN95 masks

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


  • Touchless thermometer

    A touchless thermometer is important to have.

  • (U.S. Residents) Telehealth COVID-19 test for entry to U.S.

    U.S. residents still need a certified COVID-19 test to return home, but it can now be via Zoom. Learn more


  • A vaccine card protector

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


  • N95 masks

    These N95 masks provide the best level of protection you can have.

General health necessities

Don't forget these

What to wear/what to pack for St. Mary, Montana, United States of America by month

Already know when you're traveling?

January

If you go to St. Mary in January, you will notice that it can be extremely cold. Expect it to snow about a third of the time. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

February

February for St. Mary is very cold. Temperatures average in the 30s F (single digits C) during the day. It snows 5-10 days this month.

What to wear/what to pack:

March

If you go to St. Mary in March, you will notice that it is pretty cool. Expect it to snow about a third of the time. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

April

April in St. Mary can be brisk. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 30s F (single digits C) to low 50s F (low 10s C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

May

May in St. Mary is relatively cool. Temperatures average in the low 60s F (mid 10s C) during the day.

What to wear/what to pack:

June

Traveling to St. Mary in June, you will notice that it is mild. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

July

If you visit St. Mary during July, you may notice that it is a perfect temperature. Temperatures tend to hover around the high 70s F (mid 20s 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

If you are traveling to St. Mary in August, you will notice that it is a perfect temperature. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

September

September in this region is balmy. Temperatures average in the 60s F (high 10s C) during the day.

What to wear/what to pack:

October

If you visit St. Mary during October, you may see that it is pretty cool. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits C).

What to wear/what to pack:

November

November in this region can be brisk. Temperatures average in the high 30s F (single digits C) during the day. It snows about a third of the time.

What to wear/what to pack:

December

Traveling to St. Mary in December, you will notice that it is freezing. Expect it to snow about a third of the time. Daytime temperatures are in the low 30s F (single digits below 0 C).

What to wear/what to pack:

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