Average annual temperature is 22.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 10.0 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of San Juan Petlapa
* Weather data for San Juan Petlapa 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) | 28.3 | 28.6 | 31.5 | 32.6 | 32.0 | 33.2 | 29.5 | 30.6 | 28.7 | 29.4 | 28.1 | 28.5 |
| Average daytime temperature (°C) | 23.2 | 23.6 | 27.1 | 28.3 | 28.6 | 29.9 | 27.5 | 27.5 | 27.7 | 26.0 | 23.0 | 21.5 |
| Average temperature (°C) | 19.3 | 19.1 | 22.3 | 23.6 | 24.5 | 25.9 | 23.6 | 23.8 | 23.7 | 22.7 | 20.2 | 18.7 |
| Average night temperature (°C) | 15.9 | 15.5 | 18.3 | 19.5 | 20.4 | 21.9 | 20.4 | 20.4 | 20.1 | 19.7 | 18.0 | 16.2 |
| Absolute minimum temperature (°C) | 10.9 | 11.8 | 14.6 | 16.7 | 16.0 | 19.6 | 19.3 | 19.0 | 19.0 | 15.9 | 14.9 | 10.0 |
| 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) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.9 | 7.9 | 9.9 | 10.5 | 11.2 | 11.3 | 10.3 | 10.6 | 10.9 | 8.9 | 5.9 | 6.1 |
| Precipitation (mm) | 71 | 158 | 46 | 112 | 55 | 152 | 460 | 436 | 184 | 342 | 185 | 246 |
| Sunny days | 19 | 13 | 16 | 13 | 18 | 9 | 0 | 1 | 2 | 5 | 6 | 8 |
| Rainy days | 12 | 15 | 15 | 17 | 13 | 21 | 31 | 30 | 28 | 26 | 24 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Petlapa is at