Silicon Valley, California, United States of America: What to pack, what to wear, and when to go [2021]

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

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When to go to Silicon Valley, California, United States of America

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

Important esssentials for Silicon Valley, California, United States of America

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

What to wear/what to pack for Silicon Valley, California, United States of America by month

January

If you are traveling to Silicon Valley in January, you will notice that it is crisp. Expect it to rain a bit less than half of the time. Daytime temperatures are in the high 50s F (mid 10s C).

What to wear/what to pack:

February

Traveling to Silicon Valley in February, you will notice that it can be chilly. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 60s F (high 10s C).

What to wear/what to pack:

March

If you vacation in Silicon Valley during March, you might find that it is mild. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the high 40s F (single digits C).

In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

April

April in Silicon Valley is mild. The average overnight temperatures in the area are in the high 40s F (single digits C).

What to wear/what to pack:

May

If you are traveling to Silicon Valley in May, you will notice that it is a perfect temperature and dry with little rain. Expect it to rain sometimes. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

June

If you are traveling to Silicon Valley in June, you will notice that it is warm and very dry with almost no rain. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

July

If you vacation in Silicon Valley during July, you might notice that it is hot and very dry with almost no rain.

Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

What to wear/what to pack:

August

Traveling to Silicon Valley in August, you will notice that it is hot and very dry with almost no rain. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

September in Silicon Valley is hot 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:

October

Traveling to Silicon Valley in October, you will notice that it is warm and dry with little rain. Expect it to rain occasionally. Daytime temperatures are in the 70s F (low 20s C).

What to wear/what to pack:

November

November in Silicon Valley is chilly. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 50s F (low 10s C) to 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

December

If you are traveling to Silicon Valley in December, you will notice that it is relatively cool. Expect it to rain regularly. Daytime temperatures are in the high 50s F (mid 10s C).

What to wear/what to pack:

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