Santa Rosa Weather in April

What's the weather like in Santa Rosa (California) in April 2025?

The climate in Santa Rosa during April can be summarized as mild and reasonably dry.

April is in the spring in Santa Rosa and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 6°C (43°F) is normal.

Santa Rosa weather averages (imperial / metric)
Daytime temperature 19.7°C 67.4°F
Nightly temperature 6.4°C 43.4°F
Average temperature 13°C 55.4°F
Daily sunshine 11 hrs
Avg rainfall 49 mm 1.9 ins
Rainy days 7 days
Sea temperature 11.7°C 53.1°F
Humidity 70%
Windspeed 17.3kph 11 mph

On average April is the 6th driest month of the year in Santa Rosa with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 11 hours of sunshine per day.

April temperatures in Santa Rosa

Santa Rosa average temperature in April

April rainfall

Santa Rosa average rain in April

April hourly sunshine

Santa Rosa 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 Santa Rosa in April 2024.