Colusa, CA Weather & Climate Normals
What a normal year in Colusa actually looks like
On the 30-year record NOAA keeps for Colusa, CA, the comfort score comes out to 64/100, mild with real seasons: A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. Only 7 months a year land in the 55–75°F range this site treats as mild.
How much Colusa's weather actually swings
Average temperatures in Colusa run from 46°F in Dec up to 76°F in Jul, a 30.1°F seasonal swing, a middling gap by national standards.
Colusa, month by month
| 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 |
If you're timing a visit, most of the year (7 of 12 months) are Colusa's mildest stretch; if you're moving there, you should plan around Jul's heat and Dec's cold instead.
How wet Colusa actually gets
Over a typical year, Colusa sees about 17.19in of precipitation a year across roughly 55 days with measurable rain or snow, with 0in of snow a year.
Colusa against the rest of the country
Out of 4876 cities scored here, Colusa comes in at 346; within CA alone it ranks 285 of 429. Population is about 6,589.
Checking the actual forecast
These figures come from Colusa 2 Ssw, CA US, the NOAA station 1.3 miles from Colusa, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated