ClimateForecastMayJune >>

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

Looking to travel to Castro Valley in May? Check out this comprehensive weather guide.

In Castro Valley, May is characterized by pleasant temperatures and low rainfall. Throughout the day, temperatures typically settle at around 21°C. But by evening, they drop to around 10°C.

Castro Valley in May usually receives low rainfall, averaging around 12 mm for the month. When we look at the climate data from the last 30 years, we can expect around 3 days of rain.

The days are predominantly sunny, with an estimated total of around 324 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

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 May

Min TemperatureMin Temperature 10°C  
Max TemperatureMax Temperature 21°C  
Chance of RainChance of Rain 10%  
PrecipitationPrecipitation 12 mm  
Rainy daysRainy days 3 days  
HumidityHumidity 72% *  
SunshineSunshine 324 hours *  
Percentage SunshinePercentage Sunshine 73% *  
* Data from: San Francisco, the United States of America (27 KM, 17 Miles).

Where to go in the United States of America in May

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

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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 Castro Valley in May?

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 in May.

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 climate conditions. Find out where to go with our weather planner.