Average annual temperature is 26.2 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of San Marcos Nejapa
* Weather data for San Marcos Nejapa Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.9 | 37.0 | 37.8 | 37.1 | 40.0 | 39.2 | 36.0 | 36.2 | 34.3 | 34.7 | 33.9 | 35.0 |
| Average daytime temperature (°C) | 33.6 | 34.5 | 35.1 | 36.2 | 37.5 | 35.2 | 33.1 | 32.7 | 32.6 | 31.0 | 32.0 | 32.9 |
| Average temperature (°C) | 25.0 | 25.6 | 26.3 | 27.2 | 28.7 | 27.6 | 26.0 | 26.0 | 25.8 | 25.1 | 25.7 | 25.4 |
| Average night temperature (°C) | 18.7 | 19.2 | 19.8 | 20.7 | 22.6 | 22.8 | 21.7 | 21.8 | 21.7 | 21.3 | 21.2 | 19.5 |
| Absolute minimum temperature (°C) | 17.9 | 17.1 | 17.9 | 18.2 | 19.8 | 20.8 | 20.6 | 20.6 | 20.5 | 19.8 | 19.2 | 17.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.1 | 11.2 | 11.1 | 10.4 | 9.4 | 9.5 | 9.7 | 9.3 | 9.8 | 10.0 |
| Precipitation (mm) | 1 | 9 | 8 | 12 | 30 | 116 | 166 | 173 | 136 | 206 | 55 | 18 |
| Sunny days | 29 | 21 | 21 | 17 | 11 | 1 | 0 | 3 | 0 | 1 | 8 | 22 |
| Rainy days | 2 | 7 | 10 | 13 | 20 | 29 | 31 | 28 | 30 | 30 | 22 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Marcos Nejapa is at