San Diego, TX
Climate overview — based on NOAA 1991-2020 normals from ALICE, TX US.
Year-round temperatures (°F)
Climate summary
San Diego has an annual average temperature of 74°F with about 27.1 inches of precipitation per year and 0.5 inches of snow. The warmest month is August (average high 97.4°F), and the coldest is January (average low 47.0°F). September is typically the wettest month (5.26 in) and April the driest (0.98 in). Snow typically falls from December through December.
Best time to visit San Diego
Full guide →Climate change signal
All-time records →0 of 366 (0%) of San Diego's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 6 | |
| 1900s | 0 | |
| 1910s | 43 | |
| 1920s | 61 | |
| 1930s | 75 | |
| 1940s | 23 | |
| 1950s | 12 | |
| 1960s | 35 | |
| 1970s | 27 | |
| 1980s | 28 | |
| 1990s | 24 | |
| 2000s | 32 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 68.1°F | 47.0°F | 57.6°F | 1.27 in | — | 3 |
| February | 73.2°F | 51.9°F | 62.5°F | 1.35 in | — | 3 |
| March | 79.0°F | 57.5°F | 68.2°F | 1.69 in | — | 3 |
| April | 85.9°F | 63.5°F | 74.7°F | 0.98 in | — | 2 |
| May | 90.3°F | 70.5°F | 80.4°F | 3.49 in | — | 4 |
| June | 95.5°F | 75.3°F | 85.4°F | 2.32 in | — | 4 |
| July | 97.1°F | 76.3°F | 86.7°F | 2.48 in | — | 3 |
| August | 97.4°F | 76.2°F | 86.8°F | 2.62 in | — | 4 |
| September | 92.6°F | 72.9°F | 82.7°F | 5.26 in | — | 5 |
| October | 86.6°F | 65.1°F | 75.8°F | 2.72 in | — | 3 |
| November | 77.1°F | 56.4°F | 66.7°F | 1.58 in | — | 2 |
| December | 70.7°F | 49.7°F | 60.2°F | 1.30 in | 0.5 in | 2 |
Climate twins of San Diego
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).