Average annual temperature is 27.0 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 21.9 °C
Number of sunny days: 51 days
Number of rainy days: 314 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) | 28.7 | 29.5 | 32.7 | 33.2 | 34.2 | 33.6 | 33.4 | 32.2 | 32.3 | 31.7 | 31.4 | 31.1 |
| Average daytime temperature (°C) | 26.8 | 28.0 | 29.4 | 30.8 | 31.6 | 31.2 | 30.8 | 31.0 | 30.4 | 30.2 | 29.3 | 29.1 |
| Average temperature (°C) | 24.8 | 25.4 | 26.0 | 27.4 | 28.1 | 27.7 | 27.8 | 28.1 | 27.3 | 27.4 | 27.0 | 26.6 |
| Average night temperature (°C) | 23.5 | 23.5 | 23.6 | 24.9 | 25.6 | 25.3 | 25.5 | 26.0 | 25.3 | 25.4 | 25.4 | 24.9 |
| Absolute minimum temperature (°C) | 22.3 | 21.9 | 21.9 | 23.1 | 24.4 | 23.8 | 24.2 | 24.6 | 24.2 | 23.8 | 23.9 | 22.6 |
| 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) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 7.3 | 9.6 | 11.3 | 10.6 | 10.6 | 11.1 | 9.9 | 10.7 | 8.4 | 9.0 | 9.2 | 9.4 |
| Precipitation (mm) | 131 | 51 | 11 | 121 | 127 | 262 | 312 | 155 | 299 | 139 | 112 | 79 |
| Sunny days | 3 | 7 | 19 | 9 | 0 | 0 | 0 | 1 | 0 | 2 | 4 | 6 |
| Rainy days | 28 | 21 | 12 | 21 | 31 | 30 | 31 | 30 | 30 | 29 | 26 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at