Average annual temperature is 27.5 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 22.6 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of Opsan
* Weather data for Opsan Philippines is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 30.8 | 32.1 | 33.2 | 32.9 | 30.5 | 31.5 | 30.5 | 31.2 | 31.2 | 32.0 | 32.2 |
| Average daytime temperature (°C) | 28.7 | 29.5 | 30.1 | 31.0 | 30.2 | 29.3 | 29.2 | 29.0 | 29.1 | 29.9 | 30.9 | 31.3 |
| Average temperature (°C) | 26.4 | 26.9 | 27.2 | 28.3 | 28.1 | 27.4 | 27.3 | 27.2 | 27.0 | 27.4 | 28.1 | 28.3 |
| Average night temperature (°C) | 24.9 | 25.1 | 24.7 | 26.2 | 26.3 | 25.7 | 25.6 | 25.6 | 25.1 | 25.4 | 26.0 | 25.8 |
| Absolute minimum temperature (°C) | 23.7 | 23.1 | 22.6 | 24.2 | 24.9 | 24.9 | 24.6 | 24.3 | 23.7 | 24.3 | 24.6 | 23.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.0 | 9.6 | 11.0 | 11.1 | 9.6 | 9.0 | 7.7 | 10.0 | 9.3 | 9.8 | 9.7 | 10.0 |
| Precipitation (mm) | 226 | 68 | 55 | 64 | 255 | 259 | 439 | 256 | 253 | 181 | 121 | 50 |
| Sunny days | 2 | 6 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| Rainy days | 29 | 22 | 23 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Opsan is at