Idyllwild Weather in August

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

The climate in Idyllwild during August can be summarized as warm and dry.

August is in the summer in Idyllwild and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 13°C (56°F) is normal.

Idyllwild weather averages (imperial / metric)
Daytime temperature 30°C 86°F
Nightly temperature 13.4°C 56.1°F
Average temperature 21.7°C 71.1°F
Daily sunshine 11.4 hrs
Avg rainfall 27 mm 1.1 ins
Rainy days 3 days
Sea temperature 20.5°C 68.8°F
Humidity 60%
Windspeed 14.4kph 9 mph

On average August is the 6th driest month of the year in Idyllwild with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.4 hours of sunshine per day.

August temperatures in Idyllwild

Idyllwild average temperature in August

August rainfall

Idyllwild average rain in August

August hourly sunshine

Idyllwild 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 Idyllwild 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

Idyllwild weather stats

Idyllwild weather statistics
Hottest month: July 30.2°C 86.4°F
Driest month: June 8mm 0.3ins
Sunniest month: August 11.4hrs
Coldest month: January 10.9°C 51.6°F
Wettest month: January 99mm 3.9ins
Map showing location of Idyllwild (33.74002, -116.71891) Idyllwild map pin © Google

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