Clearlake Weather in April

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

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

April is in the spring in Clearlake and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 19°C (65°F), whilst at night 4°C (39°F) is normal.

Clearlake weather averages (imperial / metric)
Daytime temperature 18.5°C 65.3°F
Nightly temperature 4.1°C 39.4°F
Average temperature 11.3°C 52.3°F
Daily sunshine 11.1 hrs
Avg rainfall 59 mm 2.3 ins
Rainy days 7 days
Sea temperature 11.7°C 53.1°F
Humidity 67%
Windspeed 16.2kph 10 mph

On average April is the 6th wettest month of the year in Clearlake with around 59mm 2.3 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 11.1 hours of sunshine per day.

April temperatures in Clearlake

Clearlake average temperature in April

April rainfall

Clearlake average rain in April

April hourly sunshine

Clearlake 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 Clearlake in April 2025.

Other monthly averages

Best places to visit in April

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Clearlake weather stats

Clearlake weather statistics
Hottest month: July 29.7°C 85.5°F
Driest month: July 2mm 0.1ins
Sunniest month: July 12.6hrs
Coldest month: January 11.7°C 53.1°F
Wettest month: January 205mm 8.1ins
Map showing location of Clearlake (38.95823, -122.62637) Clearlake map pin © Google

Locations nearby

Top United States locations