Shasta Lake, CA Weather & Climate Normals
Shasta Lake's real weather, in one number
Shasta Lake, CA scores 42/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 3 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Shasta Lake's hottest and coldest months
Shasta Lake's hottest month is Jul, averaging 84°F; its coldest is Dec, averaging 47°F, a 36.9°F swing across the year, a middling gap by national standards.
Shasta Lake's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 57°F | 38°F | 6.04in | 1.1in |
| Feb | 61°F | 40°F | 5.48in | 0.8in |
| Mar | 66°F | 43°F | 4.62in | 0in |
| Apr | 72°F | 47°F | 2.41in | 0in |
| May | 82°F | 54°F | 1.81in | 0in |
| Jun | 92°F | 62°F | 0.75in | 0in |
| Jul | 100°F | 67°F | 0.07in | 0in |
| Aug | 98°F | 64°F | 0.13in | 0in |
| Sep | 92°F | 58°F | 0.45in | 0in |
| Oct | 79°F | 50°F | 1.92in | 0in |
| Nov | 64°F | 42°F | 3.53in | 0in |
| Dec | 56°F | 37°F | 6.31in | 0.7in |
Apr, May, and Oct are the best time to see Shasta Lake at its mildest; the rest of the year, plan around Jul's heat and Dec's cold.
Rain and snow in Shasta Lake
Shasta Lake averages 33.52in of precipitation a year across roughly 81 days with measurable rain or snow, and 2.6in of snow a year.
Where Shasta Lake ranks
Shasta Lake ranks 4257 of 4876 US cities in this dataset for comfort score, and 426 of 429 within CA. About 10,244 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Redding Muni Ap, CA US, 11.8 miles from Shasta Lake, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure