Castro Valley weather in August (California, United States of America)

How does the weather in Castro Valley usually fare in August? Check out this detailed guide to the month’s weather conditions.

Temperatures

During August, Castro Valley experiences perfect weather, with high temperatures and almost no rainfall. The month of August belongs to the summer season. During the day, temperatures usually reach up to 24°C. At night, they tend to fall to approximately 13°C.

Precipitation

Castro Valley in August usually receives almost no rainfall, averaging around 0.1 mm for the month. This is the driest month of the year. Typically, you can expect about 0 days of rain this month.

Average sunshine

Expect sunny days throughout the month, with an estimated 288 hours of sunshine. Making it a pleasant time to visit Castro Valley.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August, September and October typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Castro Valley climate page with graphs.

 

Castro Valley, monthly averages in August

Min Temperature 13°C  

Max Temperature 24°C  

Chance of Rain 0%  

Precipitation 0.1 mm  

Rainy days 0 days  

Humidity 75% *  

Sunshine 288 hours *  

Percentage Sunshine 68% *  

Data from: San Francisco, the United States of America (27 KM, 17 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Castro Valley, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Castro Valley.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.