Average annual temperature is 27.4 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of San Marcos
* Weather data for San Marcos 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) | 32.8 | 34.5 | 36.2 | 37.9 | 37.7 | 33.0 | 34.0 | 32.4 | 33.1 | 33.9 | 34.0 | 33.9 |
| Average daytime temperature (°C) | 29.8 | 31.3 | 33.0 | 34.7 | 34.3 | 31.4 | 31.4 | 30.3 | 30.8 | 31.7 | 32.6 | 31.8 |
| Average temperature (°C) | 25.7 | 26.2 | 27.5 | 29.3 | 29.5 | 27.4 | 27.4 | 27.0 | 26.7 | 27.3 | 27.8 | 27.5 |
| Average night temperature (°C) | 22.7 | 22.1 | 22.8 | 24.6 | 25.5 | 24.5 | 24.4 | 24.4 | 23.9 | 23.7 | 24.1 | 23.9 |
| Absolute minimum temperature (°C) | 19.6 | 18.8 | 20.8 | 21.9 | 24.2 | 23.3 | 22.4 | 23.0 | 23.0 | 22.1 | 21.1 | 20.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.2 | 10.2 | 11.2 | 11.7 | 11.2 | 8.9 | 8.4 | 9.3 | 8.6 | 9.4 | 10.3 | 9.4 |
| Precipitation (mm) | 22 | 2 | 9 | 52 | 150 | 364 | 716 | 460 | 345 | 132 | 5 | 16 |
| Sunny days | 23 | 24 | 20 | 13 | 3 | 0 | 3 | 1 | 0 | 9 | 23 | 17 |
| Rainy days | 8 | 4 | 11 | 17 | 28 | 30 | 28 | 30 | 30 | 22 | 7 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Marcos is at