Los Altos Hills, CA
Climate overview — based on NOAA 1991-2020 normals from SKYLINE RIDGE PRESERVE, CA US.
Year-round temperatures (°F)
Climate summary
Los Altos Hills has an annual average temperature of 57.1°F with about 42.2 inches of precipitation per year. The warmest month is August (average high 80.9°F), and the coldest is December (average low 40.1°F). December is typically the wettest month (8.41 in) and July the driest (0.04 in).
Best time to visit Los Altos Hills
Full guide →Climate change signal
All-time records →201 of 366 (54.9%) of Los Altos Hills'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 | 18 | |
| 2000s | 92 | |
| 2010s | 152 | |
| 2020s | 104 |
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 | 54.7°F | 40.9°F | 47.8°F | 7.77 in | — | 14 |
| February | 55.1°F | 40.3°F | 47.7°F | 7.97 in | — | 14 |
| March | 58.4°F | 41.3°F | 49.8°F | 6.32 in | — | 13 |
| April | 61.6°F | 42.6°F | 52.1°F | 3.37 in | — | 10 |
| May | 66.9°F | 47.2°F | 57.0°F | 1.29 in | — | 7 |
| June | 75.2°F | 52.0°F | 63.6°F | 0.42 in | — | 3 |
| July | 80.6°F | 57.7°F | 69.2°F | 0.04 in | — | 1 |
| August | 80.9°F | 58.5°F | 69.7°F | 0.11 in | — | 2 |
| September | 78.9°F | 57.1°F | 68.0°F | 0.18 in | — | 2 |
| October | 71.0°F | 51.7°F | 61.4°F | 1.73 in | — | 5 |
| November | 60.4°F | 44.4°F | 52.4°F | 4.60 in | — | 11 |
| December | 53.8°F | 40.1°F | 47.0°F | 8.41 in | — | 15 |
Climate twins of Los Altos Hills
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).