Mission Viejo, CA
Climate overview — based on NOAA 1991-2020 normals from LAGUNA BEACH, CA US.
Year-round temperatures (°F)
Climate summary
Mission Viejo has an annual average temperature of 63.1°F with about 12.7 inches of precipitation per year. The warmest month is August (average high 81.2°F), and the coldest is December (average low 43.8°F). February is typically the wettest month (3.39 in) and August the driest (0.02 in).
Best time to visit Mission Viejo
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Mission Viejo'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.
| 1920s | 5 | |
| 1930s | 52 | |
| 1940s | 37 | |
| 1950s | 36 | |
| 1960s | 36 | |
| 1970s | 42 | |
| 1980s | 71 | |
| 1990s | 38 | |
| 2000s | 49 |
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 | 68.4°F | 44.2°F | 56.3°F | 2.78 in | — | 6 |
| February | 67.8°F | 44.8°F | 56.3°F | 3.39 in | — | 7 |
| March | 69.3°F | 47.9°F | 58.6°F | 1.62 in | — | 4 |
| April | 72.5°F | 50.1°F | 61.3°F | 0.80 in | — | 3 |
| May | 74.5°F | 54.5°F | 64.5°F | 0.20 in | — | 1 |
| June | 76.0°F | 57.8°F | 66.9°F | 0.11 in | — | 1 |
| July | 79.5°F | 60.1°F | 69.8°F | 0.11 in | — | 0 |
| August | 81.2°F | 61.2°F | 71.2°F | 0.02 in | — | 0 |
| September | 81.0°F | 58.5°F | 69.7°F | 0.16 in | — | 1 |
| October | 77.2°F | 55.1°F | 66.2°F | 0.49 in | — | 2 |
| November | 72.2°F | 48.5°F | 60.3°F | 1.13 in | — | 3 |
| December | 67.3°F | 43.8°F | 55.6°F | 1.87 in | — | 4 |
Climate twins of Mission Viejo
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).