Average annual temperature is 16.1 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 248 days
Number of rainy days: 117 days
Look at detailed online map of Oceanside
* Weather data for Oceanside United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.4 | 19.9 | 19.3 | 22.1 | 19.3 | 21.1 | 28.1 | 27.0 | 26.9 | 27.1 | 25.9 | 22.0 |
| Average daytime temperature (°C) | 15.6 | 15.5 | 14.9 | 16.4 | 17.8 | 19.6 | 23.4 | 24.0 | 23.0 | 23.3 | 21.4 | 18.6 |
| Average temperature (°C) | 12.1 | 11.4 | 12.1 | 13.6 | 15.7 | 17.3 | 20.3 | 21.0 | 20.1 | 18.8 | 16.3 | 14.1 |
| Average night temperature (°C) | 9.3 | 7.9 | 9.3 | 11.1 | 13.9 | 15.4 | 17.5 | 18.4 | 17.6 | 15.0 | 12.3 | 10.3 |
| Absolute minimum temperature (°C) | 6.0 | 4.3 | 3.5 | 6.3 | 10.5 | 13.5 | 13.5 | 16.5 | 14.5 | 11.8 | 9.4 | 7.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 8.8 | 8.0 | 10.2 | 10.1 | 10.6 | 12.0 | 10.8 | 9.3 | 10.0 | 9.0 | 8.2 |
| Precipitation (mm) | 199 | 86 | 194 | 5 | 21 | 5 | 0 | 65 | 31 | 7 | 49 | 50 |
| Sunny days | 15 | 15 | 11 | 25 | 15 | 24 | 31 | 26 | 17 | 25 | 21 | 23 |
| Rainy days | 16 | 13 | 20 | 5 | 16 | 6 | 0 | 5 | 13 | 6 | 9 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oceanside during the most sunny months:
The largest precipitation sum in Oceanside is at