Clearlake Weather in January

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

The climate in Clearlake during January can be summarized as cool and very wet.

January is in the winter in Clearlake and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 1°C (34°F) is normal.

Clearlake weather averages (imperial / metric)
Daytime temperature 12°C 53.5°F
Nightly temperature 1.1°C 33.9°F
Average temperature 6.5°C 43.7°F
Daily sunshine 6.1 hrs
Avg rainfall 205 mm 8.1 ins
Rainy days 11 days
Sea temperature 12.1°C 53.8°F
Humidity 80%
Windspeed 11.2kph 7 mph

On average January is the wettest month of the year in Clearlake with around 205mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

January temperatures in Clearlake

Clearlake average temperature in January

January rainfall

Clearlake average rain in January

January hourly sunshine

Clearlake average rain in January

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 January 2025.

Other monthly averages

Best places to visit in January

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

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