Average annual temperature is 27.2 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 21.3 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Olayan
* Weather data for Olayan 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) | 30.5 | 31.2 | 31.9 | 32.4 | 32.8 | 31.6 | 32.0 | 32.9 | 32.9 | 32.1 | 32.4 | 32.1 |
| Average daytime temperature (°C) | 27.9 | 28.9 | 29.7 | 30.3 | 30.6 | 30.2 | 30.2 | 31.1 | 30.6 | 30.5 | 30.2 | 30.9 |
| Average temperature (°C) | 25.6 | 26.1 | 26.4 | 27.1 | 27.8 | 27.3 | 27.8 | 28.5 | 27.7 | 27.4 | 27.2 | 27.4 |
| Average night temperature (°C) | 24.0 | 24.1 | 23.6 | 24.4 | 25.3 | 25.1 | 25.7 | 26.1 | 25.6 | 25.0 | 25.0 | 24.8 |
| Absolute minimum temperature (°C) | 23.0 | 23.2 | 21.3 | 22.2 | 23.7 | 23.8 | 24.4 | 24.2 | 24.4 | 23.5 | 24.0 | 23.2 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 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) | 5.0 | 8.8 | 9.9 | 10.5 | 10.0 | 9.4 | 8.6 | 10.1 | 9.1 | 10.3 | 8.7 | 9.8 |
| Precipitation (mm) | 633 | 219 | 158 | 104 | 211 | 261 | 167 | 135 | 241 | 115 | 222 | 58 |
| Sunny days | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 7 | 3 | 2 | 0 | 1 |
| Rainy days | 31 | 28 | 28 | 29 | 31 | 30 | 30 | 24 | 27 | 29 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Olayan is at