Oceanside, CA
Climate overview — based on NOAA 1991-2020 normals from OCEANSIDE MUNI AP, CA US.
Year-round temperatures (°F)
Climate summary
Oceanside has an annual average temperature of 61°F with about 11.9 inches of precipitation per year. The warmest month is August (average high 78.3°F), and the coldest is December (average low 39.8°F). February is typically the wettest month (2.90 in) and August the driest (0.04 in).
Best time to visit Oceanside
Full guide →Climate change signal
All-time records →174 of 366 (47.5%) of Oceanside'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 | 6 | |
| 2000s | 125 | |
| 2010s | 150 | |
| 2020s | 85 |
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 | 66.7°F | 40.5°F | 53.6°F | 2.37 in | — | 6 |
| February | 66.0°F | 42.1°F | 54.1°F | 2.90 in | — | 9 |
| March | 66.3°F | 46.2°F | 56.2°F | 1.68 in | — | 8 |
| April | 68.9°F | 47.6°F | 58.3°F | 0.87 in | — | 5 |
| May | 69.8°F | 54.4°F | 62.1°F | 0.30 in | — | 4 |
| June | 72.7°F | 58.2°F | 65.5°F | 0.11 in | — | 2 |
| July | 76.5°F | 62.1°F | 69.3°F | 0.05 in | — | 1 |
| August | 78.3°F | 62.1°F | 70.2°F | 0.04 in | — | 1 |
| September | 77.8°F | 59.2°F | 68.5°F | 0.13 in | — | 2 |
| October | 75.0°F | 52.6°F | 63.8°F | 0.64 in | — | 5 |
| November | 70.9°F | 43.8°F | 57.4°F | 0.79 in | — | 6 |
| December | 66.1°F | 39.8°F | 52.9°F | 1.98 in | — | 7 |
Climate twins of Oceanside
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).