Clearlake (CA) Climate by Month
The temperature in Clearlake can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and mild during the cooler months.
It receives a reasonable amount of rain/snowfall.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to Clearlake can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 34°C in July. In December, the coolest month of the year, temperatures drop to a moderate 13°C. At night, expect cooler temperatures, averaging 2°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Clearlake experiences moderate precipitation patterns, averaging 608 mm yearly. Clearlake can be quite wet during December, receiving approximately 130 mm of precipitation over 13 rainy days. In contrast August, experiences much drier conditions, with 0 mm of rainfall, spread across 0 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Clearlake can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
The best time of year to visit Clearlake in the United States of America
During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of May, June, July, August and September are very dry.
July has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 13°C.
December tops the wettest month list with 130 mm of rainfall.
August is the driest month with 0 mm of precipitation.
May is the sunniest month with an average of 310 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
