San Leandro, CA
Climate overview — based on NOAA 1991-2020 normals from HAYWARD AIR TERMINAL, CA US.
Year-round temperatures (°F)
Climate summary
San Leandro has an annual average temperature of 59.7°F with about 16 inches of precipitation per year. The warmest month is September (average high 77.0°F), and the coldest is December (average low 42.9°F). December is typically the wettest month (3.20 in) and July the driest (0.00 in).
Best time to visit San Leandro
Full guide →Climate change signal
All-time records →178 of 366 (48.6%) of San Leandro'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.
| 1990s | 14 | |
| 2000s | 118 | |
| 2010s | 129 | |
| 2020s | 105 |
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 | 59.3°F | 43.1°F | 51.2°F | 2.91 in | — | 10 |
| February | 61.9°F | 45.1°F | 53.5°F | 3.11 in | — | 9 |
| March | 64.4°F | 47.4°F | 55.9°F | 2.35 in | — | 9 |
| April | 66.8°F | 49.5°F | 58.2°F | 1.20 in | — | 6 |
| May | 69.3°F | 52.4°F | 60.9°F | 0.58 in | — | 3 |
| June | 74.0°F | 55.1°F | 64.6°F | 0.15 in | — | 1 |
| July | 74.7°F | 57.4°F | 66.1°F | 0.00 in | — | 0 |
| August | 76.4°F | 58.2°F | 67.3°F | 0.10 in | — | 0 |
| September | 77.0°F | 57.6°F | 67.3°F | 0.08 in | — | 1 |
| October | 73.5°F | 53.5°F | 63.5°F | 0.81 in | — | 3 |
| November | 65.1°F | 47.2°F | 56.2°F | 1.51 in | — | 7 |
| December | 59.4°F | 42.9°F | 51.2°F | 3.20 in | — | 10 |
Climate twins of San Leandro
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).