Average annual temperature is 27.7 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 24.4 °C
Number of sunny days: 47 days
Number of rainy days: 318 days
Look at detailed online map of San Juan
* Weather data for San Juan 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) | 28.4 | 28.7 | 29.1 | 30.8 | 31.6 | 29.5 | 30.1 | 30.4 | 30.3 | 30.2 | 30.1 | 29.4 |
| Average daytime temperature (°C) | 27.4 | 27.5 | 27.8 | 29.4 | 29.6 | 28.8 | 29.0 | 28.9 | 29.0 | 29.1 | 29.3 | 28.9 |
| Average temperature (°C) | 26.6 | 26.7 | 26.8 | 28.3 | 28.4 | 27.8 | 28.0 | 27.9 | 27.8 | 28.0 | 28.2 | 28.0 |
| Average night temperature (°C) | 25.7 | 25.8 | 25.9 | 27.0 | 27.0 | 26.6 | 27.0 | 26.7 | 26.5 | 26.5 | 26.7 | 27.2 |
| Absolute minimum temperature (°C) | 24.4 | 24.7 | 24.7 | 25.2 | 25.4 | 24.9 | 25.7 | 25.6 | 25.0 | 25.0 | 24.9 | 26.1 |
| 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) | 7.7 | 10.0 | 11.3 | 11.4 | 9.8 | 9.3 | 8.3 | 10.1 | 9.9 | 10.1 | 9.9 | 10.1 |
| Precipitation (mm) | 258 | 65 | 20 | 57 | 257 | 186 | 195 | 156 | 230 | 225 | 213 | 103 |
| Sunny days | 3 | 7 | 21 | 6 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 5 |
| Rainy days | 28 | 21 | 10 | 24 | 31 | 29 | 31 | 29 | 30 | 31 | 28 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at