Redwood Valley Weather in August

What's the weather like in Redwood Valley (California) in August 2025?

The climate in Redwood Valley during August can be summarized as warm and very dry.

August is in the summer in Redwood Valley and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 10°C (51°F) is normal.

Redwood Valley weather averages (imperial / metric)
Daytime temperature 28.6°C 83.5°F
Nightly temperature 10.4°C 50.7°F
Average temperature 19.5°C 67.1°F
Daily sunshine 10.5 hrs
Avg rainfall 6 mm 0.2 ins
Rainy days 2 days
Sea temperature 13.5°C 56.2°F
Humidity 67%
Windspeed 15.8kph 10 mph

On average August is the 2nd driest month of the year in Redwood Valley with around 6mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.5 hours of sunshine per day.

August temperatures in Redwood Valley

Redwood Valley average temperature in August

August rainfall

Redwood Valley average rain in August

August hourly sunshine

Redwood Valley average rain in August

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 August 2025.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Redwood Valley weather stats

Redwood Valley weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: July 3mm 0.1ins
Sunniest month: April 10.6hrs
Coldest month: January 11.9°C 53.4°F
Wettest month: January 219mm 8.6ins
Map showing location of Redwood Valley (39.26544, -123.20445) Redwood Valley map pin © Google

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