Average annual temperature is 25.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 111 days
Number of rainy days: 254 days
Look at detailed online map of San José Petacalapa
* Weather data for San José Petacalapa 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) | 33.6 | 36.0 | 35.2 | 36.7 | 36.0 | 31.8 | 32.6 | 33.0 | 33.4 | 31.1 | 31.5 | 33.0 |
| Average daytime temperature (°C) | 31.1 | 33.1 | 33.2 | 34.0 | 33.5 | 30.7 | 30.8 | 30.8 | 31.1 | 29.3 | 29.1 | 31.3 |
| Average temperature (°C) | 24.9 | 25.8 | 26.2 | 27.0 | 27.3 | 25.8 | 25.8 | 25.7 | 25.7 | 24.4 | 24.8 | 25.5 |
| Average night temperature (°C) | 20.3 | 20.9 | 21.8 | 22.6 | 23.4 | 22.8 | 22.7 | 22.5 | 22.4 | 21.7 | 21.6 | 21.0 |
| Absolute minimum temperature (°C) | 18.0 | 18.6 | 18.3 | 21.1 | 21.5 | 21.5 | 21.5 | 21.0 | 21.2 | 19.7 | 19.5 | 18.3 |
| 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 | 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) | 10.5 | 10.3 | 10.8 | 11.1 | 11.1 | 10.4 | 9.5 | 8.8 | 9.9 | 8.4 | 9.7 | 10.2 |
| Precipitation (mm) | 5 | 2 | 26 | 28 | 103 | 160 | 109 | 170 | 165 | 421 | 18 | 2 |
| Sunny days | 21 | 20 | 9 | 6 | 5 | 0 | 7 | 5 | 1 | 0 | 14 | 23 |
| Rainy days | 10 | 8 | 22 | 24 | 26 | 30 | 24 | 26 | 29 | 31 | 16 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Petacalapa is at