Castro Valley Weather in April

What's the weather like in Castro Valley (California) in April 2024?

The climate in Castro Valley during April can be summarized as mild and reasonably dry.

April is in the spring in Castro Valley and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (46°F) is normal.

Castro Valley weather averages (imperial / metric)
Daytime temperature 18.6°C 65.5°F
Nightly temperature 7.6°C 45.7°F
Average temperature 13.1°C 55.6°F
Daily sunshine 11.2 hrs
Avg rainfall 39 mm 1.5 ins
Rainy days 6 days
Sea temperature 11.8°C 53.3°F
Humidity 68%
Windspeed 18kph 11 mph

On average April is the 6th wettest month of the year in Castro Valley with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.2 hours of sunshine per day.

April temperatures in Castro Valley

Castro Valley average temperature in April

April rainfall

Castro Valley average rain in April

April hourly sunshine

Castro Valley average rain in April

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castro Valley in April 2024.

Other monthly averages

Best places to visit in April

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Castro Valley weather stats

Castro Valley weather statistics
Hottest month: August 25°C 77°F
Driest month: July 2mm 0.1ins
Sunniest month: April 11.2hrs
Coldest month: January 13°C 55.4°F
Wettest month: January 107mm 4.2ins
Map showing location of Castro Valley (37.6941, -122.08635) Castro Valley map pin © Google

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