San Mateo, California, United States of America: What to pack, what to wear, and when to go [2018]

Traveling to San Mateo, California, United States of America? If you're planning to go to San Mateo, here is some important information about when to go, what to wear, and what to pack:

When to go to San Mateo, California, United States of America

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

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

January

January in San Mateo can be chilly and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 40s F (single digits C) to 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Waterproof footwear
  • Light jacket or fleece
  • Standard footwear
  • Socks
  • Rain coat
  • Dresses
  • Pants or jeans
  • Long skirts
  • Umbrella
  • Long sleeve shirts or blouses
  • Waterproof luggage

February

If you vacation in San Mateo during February, you are likely to find that it is cool and somewhat rainy. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the 40s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

  • Standard footwear
  • Light jacket or fleece
  • Dresses
  • Rain coat
  • Umbrella
  • Waterproof luggage
  • Long skirts
  • Pants or jeans
  • Socks
  • Long sleeve shirts or blouses
  • Waterproof footwear

March

If you visit San Mateo during March, you are likely to find that it can be chilly and somewhat rainy. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the 40s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

  • Socks
  • Waterproof footwear
  • Dresses
  • Umbrella
  • Waterproof luggage
  • Light jacket or fleece
  • Long skirts
  • Long sleeve shirts or blouses
  • Rain coat
  • Pants or jeans
  • Standard footwear

April

If you vacation in San Mateo during April, you are likely to find that it can be chilly. 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).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain sometimes.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Dresses
  • Waterproof footwear
  • Umbrella
  • Long skirts
  • Rain coat
  • Light jacket or fleece
  • Waterproof luggage
  • Socks
  • Standard footwear
  • Pants or jeans

May

If you go to San Mateo in May, you will notice that it is mild and dry with little rain. Daytime temperatures are in the high 60s F (high 10s C).

What to wear/what to pack:

  • Waterproof footwear
  • Umbrella
  • Long skirts
  • Rain coat
  • Pants or jeans
  • Dresses
  • Light jacket or fleece
  • Waterproof luggage
  • Standard footwear
  • Socks
  • Long sleeve shirts or blouses

June

If you are traveling to San Mateo in June, you will notice that it is mild and very dry with almost no rain. Daytime temperatures are in the low 60s F (low 20s C).

What to wear/what to pack:

  • Long skirts
  • Socks
  • Long sleeve shirts or blouses
  • Dresses
  • Pants or jeans
  • Light jacket or fleece
  • Standard footwear

July

If you visit San Mateo during July, you are likely to find that it is mild and very dry with almost no rain. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

  • Shorts or short pants
  • Long and short sleeve shirts
  • Skirts
  • Sandals
  • Sunscreen lotion
  • Light footwear
  • Dresses

August

If you visit San Mateo during August, you are likely to find that it is balmy and very dry with almost no rain. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

  • Shorts or short pants
  • Skirts
  • Long and short sleeve shirts
  • Dresses
  • Sunscreen lotion
  • Light footwear
  • Sandals

September

September in San Mateo is a perfect temperature and very dry with almost no rain. Temperatures average in the 70s F (low 20s C) during the day.

What to wear/what to pack:

  • Dresses
  • Shorts or short pants
  • Sunscreen lotion
  • Light footwear
  • Sandals
  • Skirts
  • Long and short sleeve shirts

October

October in San Mateo is mild and dry with little rain. Temperatures average in the low 70s F (low 20s C) during the day. It rains once in a while.

What to wear/what to pack:

  • Waterproof footwear
  • Waterproof luggage
  • Sandals
  • Dresses
  • Sunscreen lotion
  • Shorts or short pants
  • Rain coat
  • Skirts
  • Light footwear
  • Long and short sleeve shirts
  • Umbrella

November

November in San Mateo is relatively cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C).

What to wear/what to pack:

  • Light jacket or fleece
  • Standard footwear
  • Socks
  • Umbrella
  • Long skirts
  • Rain coat
  • Waterproof footwear
  • Long sleeve shirts or blouses
  • Pants or jeans
  • Waterproof luggage
  • Dresses

December

December in San Mateo is crisp and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 50s F (mid 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Socks
  • Pants or jeans
  • Umbrella
  • Light jacket or fleece
  • Waterproof footwear
  • Rain coat
  • Dresses
  • Waterproof luggage
  • Long sleeve shirts or blouses
  • Long skirts
  • Standard footwear

Year-round what to wear/what to pack for San Mateo, California, United States of America

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

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in San Mateo
  • Appropriate museum wear

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