Clearlake, CA Weather & Climate Normals
Clearlake's real weather, in one number
Clearlake, CA scores 60/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Clearlake's hottest and coldest months
Clearlake's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 44°F, a 30°F swing across the year, a middling gap by national standards.
Clearlake's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 55°F | 33°F | 6.19in | 0.2in |
| Feb | 58°F | 34°F | 6.15in | 0.1in |
| Mar | 62°F | 35°F | 3.99in | 0.1in |
| Apr | 66°F | 39°F | 1.99in | 0in |
| May | 73°F | 45°F | 1.16in | 0in |
| Jun | 83°F | 52°F | 0.23in | 0in |
| Jul | 91°F | 56°F | 0.01in | 0in |
| Aug | 91°F | 54°F | 0.09in | 0in |
| Sep | 85°F | 50°F | 0.17in | 0in |
| Oct | 75°F | 43°F | 0.91in | 0in |
| Nov | 63°F | 36°F | 2.89in | 0in |
| Dec | 55°F | 33°F | 6.08in | 0in |
May, Jun, Jul, Aug, Sep, and Oct are the best time to see Clearlake at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Clearlake
Clearlake averages 29.86in of precipitation a year across roughly 79 days with measurable rain or snow, and 0.4in of snow a year.
Where Clearlake ranks
Clearlake ranks 531 of 4876 US cities in this dataset for comfort score, and 305 of 429 within CA. About 16,636 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Clearlake 4 Se, CA US, 4.3 miles from Clearlake, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station