Contra Costa County, California, United States of America: What to pack, what to wear, and when to go [2018]
Traveling to Contra Costa County, California, United States of America? If you're planning to go to Contra Costa County, here is some important information about when to go, what to wear, and what to pack:
When to go to Contra Costa County, California, United States of America
Based on the climate and weather in Contra Costa County, the best time to go is August. See below for details.
What to wear/what to pack for Contra Costa County, California, United States of America by month
January
If you visit Contra Costa County during January, you are likely to find that it is crisp. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the low 40s F (single digits C).
In terms of precipitation, you can expect it to rain a bit less than half of the time.
What to wear/what to pack:
- Umbrella
- Long sleeve shirts or blouses
- Rain coat
- Socks
- Long skirts
- Standard footwear
- Pants or jeans
- Waterproof luggage
- Waterproof footwear
- Light jacket or fleece
- Dresses
February
If you are traveling to Contra Costa County in February, you will notice that it is relatively cool. Expect it to rain about a third of the time. Daytime temperatures are in the high 50s F (mid 10s C).
What to wear/what to pack:
- Long skirts
- Waterproof footwear
- Light jacket or fleece
- Standard footwear
- Pants or jeans
- Long sleeve shirts or blouses
- Socks
- Rain coat
- Umbrella
- Waterproof luggage
- Dresses
March
March for Contra Costa County is chilly. Temperatures average in the low 60s F (mid 10s C) during the day. It rains a bit less than half of the time.
What to wear/what to pack:
- Pants or jeans
- Socks
- Long skirts
- Waterproof footwear
- Waterproof luggage
- Dresses
- Long sleeve shirts or blouses
- Standard footwear
- Umbrella
- Light jacket or fleece
- Rain coat
April
April for Contra Costa County is relatively cool. Temperatures average in the low 60s F (high 10s C) during the day. It rains sometimes.
What to wear/what to pack:
- Socks
- Umbrella
- Waterproof footwear
- Rain coat
- Waterproof luggage
- Long skirts
- Long sleeve shirts or blouses
- Light jacket or fleece
- Dresses
- Pants or jeans
- Standard footwear
May
If you are traveling to Contra Costa County in May, you will notice that it is balmy and dry with little rain. Daytime temperatures are in the 60s F (high 10s C).
What to wear/what to pack:
- Pants or jeans
- Long sleeve shirts or blouses
- Long skirts
- Dresses
- Standard footwear
- Socks
- Light jacket or fleece
June
If you go to Contra Costa County 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:
- Socks
- Long skirts
- Dresses
- Standard footwear
- Light jacket or fleece
- Pants or jeans
- Long sleeve shirts or blouses
July
July in Contra Costa County is balmy and very dry with almost no rain. Temperatures average in the low 60s F (low 20s C) during the day.
What to wear/what to pack:
- Long skirts
- Long sleeve shirts or blouses
- Socks
- Pants or jeans
- Dresses
- Standard footwear
- Light jacket or fleece
August
If you go to Contra Costa County in August, you will notice that it is mild and very dry with almost no rain. Daytime temperatures are in the low 70s F (low 20s C).
What to wear/what to pack:
- Shorts or short pants
- Dresses
- Sunscreen lotion
- Skirts
- Sandals
- Long and short sleeve shirts
- Light footwear
- If you're going to the beach, bathing suits, swimwear
September
September for Contra Costa County is balmy and very dry with almost no rain. Temperatures average in the low 70s F (low 20s C) during the day.
What to wear/what to pack:
- Long and short sleeve shirts
- Shorts or short pants
- Skirts
- Dresses
- Sandals
- Sunscreen lotion
- If you're going to the beach, bathing suits, swimwear
- Light footwear
October
October in Contra Costa County is balmy and dry with little rain. The average overnight temperatures in the area are in the low 50s F (single digits C).
What to wear/what to pack:
- Socks
- Standard footwear
- Long sleeve shirts or blouses
- Pants or jeans
- Dresses
- Long skirts
- Light jacket or fleece
November
If you visit Contra Costa County during November, you are likely to find that it is cool. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).
In terms of precipitation, you can expect it to rain regularly.
What to wear/what to pack:
- Standard footwear
- Umbrella
- Rain coat
- Pants or jeans
- Dresses
- Waterproof footwear
- Waterproof luggage
- Long sleeve shirts or blouses
- Socks
- Light jacket or fleece
- Long skirts
December
If you vacation in Contra Costa County during December, you are likely to find that it is crisp. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the low 40s F (single digits C).
In terms of precipitation, you can expect it to rain regularly.
What to wear/what to pack:
- Dresses
- Standard footwear
- Umbrella
- Rain coat
- Waterproof footwear
- Light jacket or fleece
- Socks
- Long sleeve shirts or blouses
- Waterproof luggage
- Pants or jeans
- Long skirts
Year-round what to wear/what to pack for Contra Costa County, California, United States of America
Here are some general tips on what to wear in Contra Costa County, 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 Contra Costa County
- Appropriate museum wear
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