Average annual temperature is 17.9 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Letrán
* Weather data for Letrán 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) | 26.4 | 28.0 | 28.6 | 29.3 | 28.6 | 27.6 | 24.8 | 25.4 | 25.6 | 25.1 | 24.5 | 25.6 |
| Average daytime temperature (°C) | 23.0 | 24.6 | 25.8 | 26.9 | 26.0 | 24.9 | 23.4 | 23.8 | 24.1 | 22.7 | 21.6 | 21.9 |
| Average temperature (°C) | 16.1 | 16.7 | 18.1 | 19.1 | 19.3 | 19.0 | 18.3 | 18.6 | 18.4 | 17.8 | 17.1 | 16.1 |
| Average night temperature (°C) | 11.7 | 11.8 | 13.3 | 13.8 | 14.9 | 15.1 | 15.3 | 15.4 | 15.2 | 15.0 | 14.5 | 12.5 |
| Absolute minimum temperature (°C) | 7.7 | 10.2 | 11.1 | 11.5 | 13.6 | 13.6 | 14.1 | 14.5 | 13.7 | 12.7 | 12.4 | 7.3 |
| 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 | 12.5 | 12.8 | 13.0 | 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) | 10.3 | 10.6 | 11.1 | 11.3 | 11.3 | 10.9 | 10.7 | 10.3 | 10.6 | 9.9 | 9.4 | 10.1 |
| Precipitation (mm) | 24 | 10 | 51 | 44 | 157 | 209 | 273 | 217 | 291 | 307 | 103 | 15 |
| Sunny days | 14 | 12 | 7 | 8 | 5 | 0 | 2 | 1 | 0 | 1 | 4 | 15 |
| Rainy days | 17 | 16 | 24 | 22 | 26 | 30 | 29 | 30 | 30 | 30 | 26 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Letrán is at