Climate averages 1991–2020
San Diego weather
in February.
A mild, moderately wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a mild month in San Diego: daytime highs average 17.2°C and nights cool to about 9.2°C. By daytime temperature it is the coolest month of the year.
Expect about 63 mm of rain on roughly 6 days, which makes February a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 00 min on an average February day.
The nearest other city in this atlas is Chula Vista (11 km away). In February its highs average 16.8°C, about as warm as San Diego, with 74 mm of rain.
Among the 498 cities listed in the United States, San Diego ranks joint 121st of 498 for the warmest February highs and joint 206th of 498 for the driest February (rainfall, lowest first). The mean February high of those 498 cities is 11.1°C; San Diego is 6.1°C warmer than that mean.
From February to March, average highs rise by 0.6°C to 17.8°C, and monthly rainfall falls from 63 mm to 38 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
San Diego climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.4°C8.7°C | 8.7°C | 50 | 5.5 | 10.310 h |
| February, selected | 17.2°C9.2°C | 9.2°C | 63 | 6.1 | 11.011 h |
| March | 17.8°C10.4°C | 10.4°C | 38 | 5.2 | 12.012 h |
| April | 19.1°C11.9°C | 11.9°C | 16 | 2.9 | 13.013 h |
| May | 20.2°C13.6°C | 13.6°C | 7.1 | 1.6 | 13.814 h |
| June | 22.0°C14.9°C | 14.9°C | 1.2 | 0.2 | 14.314 h |
| July | 24.3°C17.1°C | 17.1°C | 1.3 | 0.3 | 14.114 h |
| August | 25.4°C18.0°C | 18.0°C | 0.4 | 0.1 | 13.413 h |
| September | 25.1°C17.5°C | 17.5°C | 2.9 | 0.6 | 12.412 h |
| October | 23.0°C15.2°C | 15.2°C | 12 | 2.0 | 11.411 h |
| November | 20.3°C11.7°C | 11.7°C | 19 | 2.9 | 10.511 h |
| December | 17.3°C8.8°C | 8.8°C | 40 | 4.9 | 10.010 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
- Chula Vista in FebruaryUnited States · 11 kmHigh 16.8°C · Low 9.7°C · 74 mm rain
- El Cajon in FebruaryUnited States · 21 kmHigh 17.7°C · Low 8.3°C · 74 mm rain
- Tijuana in FebruaryMexico · 28 kmHigh 16.5°C · Low 9.3°C · 79 mm rain
- Rosarito in FebruaryMexico · 41 kmHigh 16.8°C · Low 10.1°C · 69 mm rain
- Escondido in FebruaryUnited States · 45 kmHigh 17.6°C · Low 6.5°C · 96 mm rain
- San Marcos in FebruaryUnited States · 48 kmHigh 16.7°C · Low 6.9°C · 92 mm rain
- Vista in FebruaryUnited States · 54 kmHigh 17.7°C · Low 7.3°C · 92 mm rain
- Oceanside in FebruaryUnited States · 57 kmHigh 16.7°C · Low 9.0°C · 74 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 San Diego) is explained once on the San Diego year overview and on the Sources, method and limits page.