Average annual temperature is 27.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 53 days
Number of rainy days: 312 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) | 29.1 | 29.7 | 31.6 | 32.0 | 33.7 | 34.2 | 33.7 | 34.0 | 33.8 | 33.1 | 33.1 | 32.3 |
| Average daytime temperature (°C) | 27.4 | 28.5 | 29.6 | 30.7 | 31.7 | 31.5 | 31.3 | 32.5 | 31.6 | 31.5 | 31.6 | 30.8 |
| Average temperature (°C) | 25.0 | 25.5 | 26.1 | 27.4 | 28.3 | 27.9 | 27.8 | 28.6 | 27.7 | 27.7 | 27.7 | 27.2 |
| Average night temperature (°C) | 23.3 | 23.2 | 22.8 | 24.4 | 25.7 | 25.1 | 25.1 | 25.8 | 24.9 | 24.7 | 24.8 | 24.8 |
| Absolute minimum temperature (°C) | 21.4 | 21.3 | 19.8 | 21.9 | 24.3 | 24.1 | 23.9 | 24.7 | 23.8 | 23.8 | 22.9 | 23.5 |
| 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 | 12.4 | 12.8 | 12.9 | 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) | 7.4 | 9.7 | 11.3 | 10.7 | 10.7 | 10.9 | 9.6 | 10.5 | 9.3 | 9.1 | 10.0 | 9.9 |
| Precipitation (mm) | 194 | 70 | 20 | 137 | 128 | 236 | 247 | 69 | 162 | 92 | 64 | 63 |
| Sunny days | 4 | 13 | 14 | 7 | 0 | 1 | 1 | 4 | 0 | 1 | 3 | 5 |
| Rainy days | 27 | 15 | 17 | 23 | 31 | 29 | 30 | 27 | 30 | 30 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at