San Bernardino County, California, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to San Bernardino County, California, United States of America? If you're planning to go to San Bernardino County, this is some important information about when to go, what to wear, and what to pack.

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When to go to San Bernardino County, California, United States of America

Based on the climate and weather in San Bernardino County, the best time to go is May. See below for details.

Important esssentials for San Bernardino County, California, United States of America

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

What to wear/what to pack for San Bernardino County, California, United States of America by month

January

January here can be chilly. Temperatures average in the low 50s F (mid 10s C) during the day.

What to wear/what to pack:

February

Traveling to San Bernardino County in February, you will notice that it can be chilly and dry with little rain. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

March

March in San Bernardino County is balmy and dry with little rain. The average overnight temperatures in the area are in the low 30s F (single digits C).

What to wear/what to pack:

April

April in San Bernardino County is warm and very dry with almost no rain. The average overnight temperatures in the area are in the 40s F (single digits C).

What to wear/what to pack:

May

If you visit San Bernardino County during May, you will probably see that it can be very hot and very dry with almost no rain.

Temperatures tend to hover around the 80s F (low 30s C) during the day, while at night they can dip into the low 50s F (low 10s C).

What to wear/what to pack:

June

June here is blindingly hot and very dry with almost no rain. Temperatures average in the 90s F (mid 30s C) during the day.

What to wear/what to pack:

July

If you go to San Bernardino County in July, you will notice that it can be blisteringly hot and very dry with almost no rain. Daytime temperatures are in the low 100s F (high 30s C).

What to wear/what to pack:

August

If you visit San Bernardino County during August, you will probably see that it can be sizzling and dry with little rain.

Temperatures tend to hover around the low 100s F (high 30s C) during the day, while at night they can dip into the 60s F (high 10s C).

What to wear/what to pack:

September

If you vacation in San Bernardino County during September, you might see that it is sweltering and very dry with almost no rain.

Temperatures tend to hover around the 90s F (mid 30s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

What to wear/what to pack:

October

October is extremely warm and very dry with almost no rain. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

November

November in San Bernardino County is mild and dry with little rain. Temperatures average in the high 60s F (low 20s C) during the day.

What to wear/what to pack:

December

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

What to wear/what to pack:

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