Redwood Valley Weather in March

What's the weather like in Redwood Valley (California) in March 2026?

The climate in Redwood Valley during March can be summarized as cool and wet.

March is in the spring in Redwood Valley and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 3°C (38°F) is normal.

Redwood Valley weather averages (imperial / metric)
Daytime temperature 15.2°C 59.3°F
Nightly temperature 3.1°C 37.5°F
Average temperature 9.1°C 48.4°F
Daily sunshine 8.7 hrs
Avg rainfall 139 mm 5.5 ins
Rainy days 13 days
Sea temperature 11.6°C 52.9°F
Humidity 73%
Windspeed 15.1kph 9 mph

On average March is the 5th wettest month of the year in Redwood Valley with around 139mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

March temperatures in Redwood Valley

Redwood Valley average temperature in March

March rainfall

Redwood Valley average rain in March

March hourly sunshine

Redwood Valley average rain in March

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 Redwood Valley in March 2025.