Redwood Valley Weather in May

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

The climate in Redwood Valley during May can be summarized as mild and dry.

May is in the spring in Redwood Valley and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 7°C (44°F) is normal.

Redwood Valley weather averages (imperial / metric)
Daytime temperature 21.5°C 70.7°F
Nightly temperature 6.5°C 43.7°F
Average temperature 14°C 57.2°F
Daily sunshine 11.5 hrs
Avg rainfall 25 mm 1 ins
Rainy days 5 days
Sea temperature 11.4°C 52.5°F
Humidity 68%
Windspeed 16.9kph 11 mph

On average May is the 5th driest month of the year in Redwood Valley with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.5 hours of sunshine per day.

May temperatures in Redwood Valley

Redwood Valley average temperature in May

May rainfall

Redwood Valley average rain in May

May hourly sunshine

Redwood Valley average rain in May

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 May 2025.

Other monthly averages

Best places to visit in May

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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