Colusa, CA
Climate overview — based on NOAA 1991-2020 normals from COLUSA 2 SSW, CA US.
Year-round temperatures (°F)
Climate summary
Colusa has an annual average temperature of 61.5°F with about 17.2 inches of precipitation per year. The warmest month is July (average high 92.4°F), and the coldest is December (average low 37.7°F). January is typically the wettest month (3.58 in) and July the driest (0.01 in).
Best time to visit Colusa
Full guide →Climate change signal
All-time records →73 of 366 (19.9%) of Colusa's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 11 | |
| 1950s | 75 | |
| 1960s | 43 | |
| 1970s | 37 | |
| 1980s | 24 | |
| 1990s | 31 | |
| 2000s | 52 | |
| 2010s | 40 | |
| 2020s | 53 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 54.6°F | 38.2°F | 46.4°F | 3.58 in | — | 11 |
| February | 60.2°F | 41.1°F | 50.7°F | 2.97 in | — | 9 |
| March | 66.5°F | 43.8°F | 55.1°F | 2.19 in | — | 8 |
| April | 73.4°F | 46.1°F | 59.7°F | 1.00 in | — | 5 |
| May | 81.1°F | 53.4°F | 67.3°F | 0.84 in | — | 3 |
| June | 88.2°F | 58.7°F | 73.4°F | 0.51 in | — | 1 |
| July | 92.4°F | 59.9°F | 76.2°F | 0.01 in | — | 0 |
| August | 91.7°F | 58.1°F | 74.9°F | 0.03 in | — | 0 |
| September | 89.1°F | 54.4°F | 71.8°F | 0.11 in | — | 1 |
| October | 79.0°F | 47.9°F | 63.5°F | 0.87 in | — | 3 |
| November | 64.1°F | 41.8°F | 53.0°F | 1.91 in | — | 6 |
| December | 54.5°F | 37.7°F | 46.1°F | 3.17 in | — | 9 |
Climate twins of Colusa
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).