Average annual temperature is 25.6 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 10.4 °C
Number of sunny days: 124 days
Number of rainy days: 241 days
Look at detailed online map of San Rafael
* Weather data for San Rafael Guatemala is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.0 | 35.7 | 37.6 | 38.7 | 39.0 | 39.0 | 34.7 | 36.7 | 35.0 | 34.8 | 33.3 | 35.1 |
| Average daytime temperature (°C) | 31.4 | 32.5 | 35.0 | 36.5 | 36.0 | 35.7 | 32.6 | 33.6 | 33.5 | 32.1 | 29.7 | 30.9 |
| Average temperature (°C) | 23.4 | 24.2 | 26.3 | 27.5 | 27.7 | 27.6 | 25.8 | 26.2 | 25.9 | 25.2 | 23.8 | 23.5 |
| Average night temperature (°C) | 15.8 | 16.4 | 18.7 | 19.4 | 20.7 | 21.1 | 20.4 | 20.4 | 19.9 | 20.2 | 18.9 | 17.0 |
| Absolute minimum temperature (°C) | 11.5 | 13.6 | 17.0 | 16.2 | 17.9 | 18.7 | 18.5 | 18.4 | 18.8 | 17.1 | 15.1 | 10.4 |
| 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) | 10.4 | 10.7 | 11.0 | 11.4 | 11.2 | 11.2 | 11.1 | 10.7 | 10.7 | 10.0 | 9.1 | 10.0 |
| Precipitation (mm) | 17 | 5 | 31 | 14 | 85 | 142 | 171 | 94 | 130 | 159 | 166 | 7 |
| Sunny days | 21 | 19 | 16 | 18 | 10 | 5 | 1 | 2 | 0 | 1 | 11 | 20 |
| Rainy days | 10 | 9 | 15 | 12 | 21 | 25 | 30 | 29 | 30 | 30 | 19 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Rafael is at