Climate averages 1991–2020
Santa Rosa, United States weather
in February.
A mild, wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a mild month in Santa Rosa, United States: daytime highs average 15.7°C and nights cool to about 5.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 149 mm of rain on roughly 10 days, which makes February a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 44 min on an average February day.
The nearest other city in this atlas is Napa (41 km away). In February its highs average 15.9°C, about as warm as Santa Rosa, United States, with 117 mm of rain.
Among the 498 cities listed in the United States, Santa Rosa, United States ranks joint 163rd of 498 for the warmest February highs and 494th of 498 for the driest February (rainfall, lowest first). The mean February high of those 498 cities is 11.1°C; Santa Rosa, United States is 4.5°C warmer than that mean.
From February to March, average highs rise by 1.8°C to 17.5°C, and monthly rainfall falls from 149 mm to 112 mm.
The annual picture
February in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Santa Rosa, United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.4°C4.2°C | 4.2°C | 145 | 10.3 | 9.810 h |
| February, selected | 15.7°C5.0°C | 5.0°C | 149 | 9.5 | 10.711 h |
| March | 17.5°C6.3°C | 6.3°C | 112 | 9.5 | 11.912 h |
| April | 19.8°C7.8°C | 7.8°C | 49 | 5.6 | 13.213 h |
| May | 23.6°C10.6°C | 10.6°C | 28 | 3.6 | 14.214 h |
| June | 27.8°C13.1°C | 13.1°C | 7.0 | 1.2 | 14.815 h |
| July | 29.6°C14.1°C | 14.1°C | 0.4 | 0.1 | 14.615 h |
| August | 29.5°C14.3°C | 14.3°C | 1.1 | 0.2 | 13.714 h |
| September | 28.4°C13.6°C | 13.6°C | 3.1 | 0.6 | 12.512 h |
| October | 24.4°C11.2°C | 11.2°C | 34 | 3.2 | 11.211 h |
| November | 18.0°C7.0°C | 7.0°C | 75 | 6.2 | 10.110 h |
| December | 14.0°C4.2°C | 4.2°C | 150 | 10.2 | 9.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
February in nearby cities
- Napa in FebruaryUnited States · 41 kmHigh 15.9°C · Low 6.3°C · 117 mm rain
- Vallejo in FebruaryUnited States · 55 kmHigh 15.6°C · Low 6.1°C · 107 mm rain
- Fairfield in FebruaryUnited States · 63 kmHigh 15.5°C · Low 6.4°C · 108 mm rain
- Vacaville in FebruaryUnited States · 64 kmHigh 15.8°C · Low 6.4°C · 108 mm rain
- Berkeley in FebruaryUnited States · 74 kmHigh 15.1°C · Low 6.3°C · 97 mm rain
- San Francisco in FebruaryUnited States · 78 kmHigh 14.6°C · Low 7.0°C · 113 mm rain
- Concord (California), United States in FebruaryUnited States · 79 kmHigh 15.6°C · Low 6.6°C · 96 mm rain
- Oakland in FebruaryUnited States · 81 kmHigh 15.3°C · Low 6.6°C · 97 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Santa Rosa) is explained once on the Santa Rosa, United States year overview and on the Sources, method and limits page.