Morro Bay, CA
Climate overview — based on NOAA 1991-2020 normals from MORRO BAY FIRE DEPT, CA US.
Year-round temperatures (°F)
Climate summary
Morro Bay has an annual average temperature of 59.5°F with about 17 inches of precipitation per year. The warmest month is October (average high 72.5°F), and the coldest is December (average low 46.2°F). January is typically the wettest month (3.64 in) and August the driest (0.02 in).
Best time to visit Morro Bay
Full guide →Climate change signal
All-time records →31 of 366 (8.5%) of Morro Bay'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.
| 1950s | 11 | |
| 1960s | 55 | |
| 1970s | 49 | |
| 1980s | 84 | |
| 1990s | 49 | |
| 2000s | 42 | |
| 2010s | 76 | |
| 2020s | 0 |
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 | 65.1°F | 46.4°F | 55.7°F | 3.64 in | 0.1 in | 7 |
| February | 65.4°F | 47.8°F | 56.6°F | 3.62 in | — | 8 |
| March | 66.0°F | 48.6°F | 57.3°F | 3.19 in | — | 7 |
| April | 67.3°F | 49.2°F | 58.3°F | 0.99 in | — | 4 |
| May | 66.9°F | 51.7°F | 59.3°F | 0.42 in | — | 2 |
| June | 66.4°F | 53.6°F | 60.0°F | 0.20 in | — | 0 |
| July | 67.2°F | 56.5°F | 61.8°F | 0.07 in | — | 0 |
| August | 69.7°F | 56.8°F | 63.2°F | 0.02 in | — | 0 |
| September | 71.5°F | 56.0°F | 63.7°F | 0.09 in | — | 1 |
| October | 72.5°F | 54.4°F | 63.5°F | 0.68 in | — | 2 |
| November | 69.1°F | 50.2°F | 59.7°F | 1.33 in | — | 3 |
| December | 64.6°F | 46.2°F | 55.4°F | 2.75 in | — | 7 |
Climate twins of Morro Bay
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).