San Diego weather by month
Average highs run from 66°F in January to 74°F in July, and January nights average 49°F. It gets 9 inches of rain and melted snow a year, with almost no snow. The most comfortable months are January to December.
Best time to visit San Diego
For comfortable weather, go in January to December. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 66°F | 49°F | 1.7 in | 0.0 in | 4 | 0 | 0 | mild |
| February | 66°F | 51°F | 1.9 in | 0.0 in | 4 | 0 | 0 | mild |
| March | 67°F | 53°F | 1.5 in | 0.0 in | 3 | 0 | 0 | mild |
| April | 68°F | 55°F | 0.6 in | 0.0 in | 2 | 0 | 0 | mild |
| May | 69°F | 59°F | 0.5 in | 0.0 in | 1 | 0 | 0 | mild |
| June | 71°F | 62°F | 0.1 in | 0.0 in | 0 | 0 | 0 | mild |
| July | 74°F | 65°F | 0.1 in | 0.0 in | 0 | 0 | 0 | mild |
| August | 77°F | 67°F | 0.0 in | 0.0 in | 0 | 0 | 0 | warm |
| September | 77°F | 65°F | 0.2 in | 0.0 in | 0 | 1 | 0 | warm |
| October | 75°F | 60°F | 0.6 in | 0.0 in | 1 | 1 | 0 | mild |
| November | 71°F | 54°F | 0.8 in | 0.0 in | 2 | 1 | 0 | mild |
| December | 66°F | 49°F | 1.5 in | 0.0 in | 3 | 0 | 0 | mild |
| Year | 71°F avg | 57°F avg | 9.3 in | 0.0 in | 20 | 4 | 0 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station North Island NAS, CA (USW00093112), 2.7 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in San Diego
The shortest day is December 21, with 9h 59m of daylight; the longest is June 21, with 14h 18m. The earliest sunset comes around November 26 (4:42 pm) and the latest around June 24 (8:00 pm). The sun sets after 8 pm on 11 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:51 am | 5:05 pm | 10h 14m |
| February | 6:31 am | 5:34 pm | 11h 02m |
| March | 6:58 am | 6:56 pm | 11h 58m |
| April | 6:19 am | 7:18 pm | 13h 00m |
| May | 5:49 am | 7:40 pm | 13h 50m |
| June | 5:40 am | 7:57 pm | 14h 17m |
| July | 5:51 am | 7:57 pm | 14h 05m |
| August | 6:12 am | 7:33 pm | 13h 21m |
| September | 6:32 am | 6:54 pm | 12h 22m |
| October | 6:52 am | 6:15 pm | 11h 22m |
| November | 6:19 am | 4:47 pm | 10h 28m |
| December | 6:43 am | 4:44 pm | 10h 00m |
Calculated for 2026 at the center of San Diego with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is San Diego getting warmer?
The last 10 years averaged 2.8°F warmer than the 20th century. See the climate stripes for San Diego.Frequently asked questions
What is the warmest month in San Diego?
August is the warmest month, with an average high of 77°F and an average low of 67°F (NOAA 1991-2020 normals).
What is the coldest month in San Diego?
December is the coldest, with average lows of 49°F and highs of 66°F.
What is the rainiest month in San Diego?
February gets the most precipitation, 1.9 inches on average. August is the driest at 0.0 inches.
Does it snow in San Diego?
Very little. The normal yearly snowfall is under one inch.
When is the best time to visit San Diego?
For comfortable weather, January to December. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to San Diego?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full San Diego profile.
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