Average annual temperature is 27.8 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 23.5 °C
Number of sunny days: 28 days
Number of rainy days: 337 days
Look at detailed online map of Guiuan
* Weather data for Guiuan 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) | 28.9 | 28.3 | 28.8 | 29.7 | 30.6 | 30.9 | 30.4 | 31.2 | 30.4 | 30.6 | 30.0 | 29.8 |
| Average daytime temperature (°C) | 27.5 | 27.7 | 27.7 | 28.6 | 29.7 | 29.4 | 29.4 | 29.8 | 29.4 | 29.3 | 29.1 | 28.8 |
| Average temperature (°C) | 26.5 | 26.7 | 26.9 | 27.7 | 28.8 | 28.2 | 28.4 | 28.8 | 28.3 | 28.2 | 28.0 | 27.7 |
| Average night temperature (°C) | 25.3 | 25.4 | 25.8 | 26.3 | 27.7 | 26.8 | 27.3 | 27.7 | 27.1 | 26.8 | 26.6 | 26.1 |
| Absolute minimum temperature (°C) | 24.4 | 23.5 | 24.5 | 24.9 | 25.9 | 25.2 | 25.8 | 24.8 | 25.7 | 25.6 | 25.5 | 24.9 |
| 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 | 12.8 | 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 | 9.0 | 10.4 | 10.6 | 10.3 | 10.6 | 8.6 | 10.3 | 9.8 | 10.6 | 8.9 | 9.5 |
| Precipitation (mm) | 937 | 351 | 161 | 110 | 145 | 290 | 270 | 208 | 201 | 198 | 379 | 248 |
| Sunny days | 0 | 0 | 4 | 3 | 5 | 1 | 2 | 10 | 2 | 1 | 0 | 0 |
| Rainy days | 31 | 28 | 27 | 27 | 26 | 29 | 29 | 21 | 28 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guiuan is at