San Diego weather
Loading live data…Latest for San Diego: European (ECMWF): 19° Partly cloudy · American (NOAA GFS): 20° Mainly clear · German (DWD ICON): 20° Partly cloudy.
The weather map: all three models at once
European, American, German side by side around San Diego and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to San Diego? San Diego, USA, sits at 32.7°N in a subtropical climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast San Diego right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a beach trip the rain and wind columns below matter most - that is what makes or breaks a day by the sea.
Best time to visit San Diego
The most comfortable time to visit San Diego is usually July, August, September and October, when daytime highs sit in the pleasant 24-33°C range and the heaviest February rain is behind you.
San Diego weather by month
what to expect in San Diego through the year, 1991-2020 normals, San Diego Lindbergh Field (WMO)Here is San Diego's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to San Diego by season.
San Diego compared with Toronto
30-year averages: daytime highs month by month, rain and sunlightWarmer through the year
average daytime high: San Diego 22°C, Toronto 14°C
Rain over a year
San Diego 249 mm, Toronto 924 mm
Sunlight vs a clear sky
solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)
On 30-year averages San Diego runs 8°C warmer than Toronto, with every month between −3°C and +19°C. Over a year it gets 73% less rain than Toronto.
Month by month in numbers
| Month | San Diego | Toronto | Difference | Sunlight, San Diego | Sunlight, Toronto |
|---|---|---|---|---|---|
| January | 19°C | 0°C | +19°C | 83% | 56% |
| February | 19°C | 1°C | +18°C | 82% | 57% |
| March | 19°C | 5°C | +14°C | 81% | 64% |
| April | 20°C | 12°C | +8°C | 81% | 67% |
| May | 21°C | 19°C | +2°C | 74% | 72% |
| June | 22°C | 24°C | −2°C | 69% | 76% |
| July | 24°C | 27°C | −3°C | 75% | 79% |
| August | 25°C | 26°C | −1°C | 80% | 79% |
| September | 25°C | 22°C | +3°C | 82% | 76% |
| October | 24°C | 15°C | +9°C | 81% | 63% |
| November | 22°C | 8°C | +14°C | 83% | 60% |
| December | 19°C | 3°C | +16°C | 82% | 54% |
Daytime highs and lows on this page are 1991-2020 averages. San Diego: station normals from San Diego Lindbergh Field (WMO), rain included. Toronto: station normals from Toronto City (WMO); rain is the CHELSA 1981-2010 climatology on a 1 km grid. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Toronto stands in for Canada here; other cities have their own climate tables.