Average annual temperature is 27.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 21.4 °C
Number of sunny days: 61 days
Number of rainy days: 304 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) | 31.1 | 32.5 | 33.7 | 33.7 | 34.9 | 33.0 | 33.6 | 32.1 | 32.0 | 32.3 | 33.3 | 33.1 |
| Average daytime temperature (°C) | 29.1 | 30.6 | 31.6 | 32.0 | 32.5 | 31.0 | 30.9 | 31.0 | 30.6 | 30.8 | 31.8 | 31.3 |
| Average temperature (°C) | 25.6 | 26.5 | 27.3 | 28.2 | 28.8 | 27.8 | 27.7 | 27.9 | 27.1 | 27.4 | 27.8 | 27.3 |
| Average night temperature (°C) | 23.4 | 23.6 | 23.6 | 25.0 | 26.0 | 25.4 | 25.3 | 25.8 | 24.7 | 24.8 | 25.0 | 24.6 |
| Absolute minimum temperature (°C) | 21.8 | 21.9 | 21.4 | 23.7 | 24.3 | 24.2 | 23.9 | 24.7 | 23.7 | 23.4 | 23.1 | 21.9 |
| 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 | 13.0 | 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 | 11.4 | 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) | 8.8 | 10.0 | 11.2 | 11.0 | 11.1 | 10.3 | 8.7 | 10.5 | 8.4 | 9.1 | 9.7 | 9.7 |
| Precipitation (mm) | 64 | 56 | 29 | 166 | 203 | 312 | 402 | 149 | 355 | 202 | 47 | 116 |
| Sunny days | 14 | 13 | 15 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 9 | 5 |
| Rainy days | 17 | 15 | 16 | 28 | 29 | 30 | 30 | 31 | 30 | 31 | 21 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Marcos is at