Average annual temperature is 26.5 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 22.1 °C
Number of sunny days: 36 days
Number of rainy days: 329 days
Look at detailed online map of Isian
* Weather data for Isian 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) | 29.5 | 30.3 | 33.9 | 35.6 | 35.3 | 31.9 | 31.6 | 31.5 | 31.0 | 31.1 | 31.2 | 31.0 |
| Average daytime temperature (°C) | 27.4 | 28.6 | 30.6 | 33.4 | 31.2 | 29.9 | 29.1 | 29.8 | 29.5 | 29.9 | 29.7 | 30.0 |
| Average temperature (°C) | 24.8 | 25.5 | 26.6 | 28.4 | 27.3 | 26.5 | 26.2 | 26.6 | 26.3 | 26.2 | 26.6 | 26.7 |
| Average night temperature (°C) | 23.3 | 23.4 | 23.6 | 24.6 | 24.4 | 23.9 | 24.0 | 23.9 | 23.7 | 23.5 | 24.5 | 24.5 |
| Absolute minimum temperature (°C) | 22.3 | 22.1 | 22.1 | 23.3 | 23.0 | 22.8 | 22.4 | 22.6 | 22.9 | 22.7 | 23.2 | 23.6 |
| 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) | 6.5 | 9.5 | 11.0 | 11.2 | 9.8 | 9.1 | 7.3 | 10.1 | 9.2 | 10.1 | 9.1 | 9.9 |
| Precipitation (mm) | 282 | 95 | 28 | 49 | 220 | 273 | 317 | 244 | 233 | 159 | 85 | 78 |
| Sunny days | 1 | 3 | 13 | 5 | 1 | 0 | 1 | 4 | 0 | 2 | 3 | 3 |
| Rainy days | 30 | 25 | 18 | 25 | 30 | 30 | 30 | 27 | 30 | 29 | 27 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isian is at