Williams, CA Weather & Climate Normals
Williams's real weather, in one number
Williams, CA scores 64/100 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. 7 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Williams's hottest and coldest months
Williams's hottest month is Jul, averaging 76°F; its coldest is Dec, averaging 46°F, a 30.1°F swing across the year, a middling gap by national standards.
Williams's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 55°F | 38°F | 3.58in | 0in |
| Feb | 60°F | 41°F | 2.97in | 0in |
| Mar | 67°F | 44°F | 2.19in | 0in |
| Apr | 73°F | 46°F | 1in | 0in |
| May | 81°F | 53°F | 0.84in | 0in |
| Jun | 88°F | 59°F | 0.51in | 0in |
| Jul | 92°F | 60°F | 0.01in | 0in |
| Aug | 92°F | 58°F | 0.03in | 0in |
| Sep | 89°F | 54°F | 0.11in | 0in |
| Oct | 79°F | 48°F | 0.87in | 0in |
| Nov | 64°F | 42°F | 1.91in | 0in |
| Dec | 55°F | 38°F | 3.17in | 0in |
most of the year (7 of 12 months) are the best time to see Williams at its mildest; the rest of the year, plan around Jul's heat and Dec's cold.
Rain and snow in Williams
Williams averages 17.19in of precipitation a year across roughly 55 days with measurable rain or snow, and 0in of snow a year.
Where Williams ranks
Williams ranks 348 of 4876 US cities in this dataset for comfort score, and 286 of 429 within CA. About 5,598 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Colusa 2 Ssw, CA US, 6.5 miles from Williams, 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