Weather radar San Diego
Real-time precipitation radar · California · United States
San Diego climate table – average temperature, precipitation & sunshine hours
The climate table for San Diego shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19.3° | 19.5° | 18.7° | 21.1° | 21.9° | 25.1° | 27.6° | 28.9° | 27.8° | 25.6° | 23.1° | 20.2° |
| Avg low (°C) | 9.9° | 10.2° | 10.9° | 12.7° | 14.8° | 17.2° | 19.6° | 20.6° | 20° | 16.2° | 12.6° | 11° |
| Precipitation (mm) | 59 | 56 | 88 | 12 | 5 | 2 | 1 | 10 | 12 | 11 | 32 | 40 |
| Rainy days | 6 | 6 | 10 | 4 | 1 | 0 | 0 | 0 | 2 | 2 | 4 | 5 |
| Sunshine hours | 267 | 257 | 306 | 346 | 377 | 393 | 404 | 371 | 329 | 315 | 270 | 249 |
| Humidity | 62% | 65% | 72% | 68% | 71% | 70% | 69% | 68% | 70% | 65% | 58% | 66% |
Best time to visit San Diego
The best time to visit San Diego is typically July. In this month the average high is 27.6°C, precipitation is 1 mm and sunshine duration is 404 hours. The annual average high is 23.2°C, total annual precipitation is 328 mm (40 rainy days/year) and annual sunshine is 3884 hours.
Frequently asked questions about the weather in San Diego
How up to date is the weather radar for San Diego?
The weather radar for San Diego is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for San Diego?
Besides the rain radar, RadarWeather provides for San Diego: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in San Diego?
The thunderstorm potential for San Diego is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near San Diego.
What is the climate like in San Diego?
San Diego has an annual average high of 23.2°C. The warmest month is August (avg high 28.9°C), the coldest January (avg low 9.9°C). The wettest month is March with 88 mm, the driest July with 1 mm. Total annual precipitation is 328 mm (40 rainy days). Annual sunshine is 3884 hours.
Weather radar near San Diego
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