Average annual temperature is 25.2 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of San José (Piedras Negras)
* Weather data for San José (Piedras Negras) 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) | 30.5 | 36.9 | 37.5 | 37.4 | 37.6 | 39.6 | 34.4 | 34.4 | 32.4 | 33.3 | 30.2 | 30.8 |
| Average daytime temperature (°C) | 27.7 | 29.5 | 32.5 | 32.7 | 33.9 | 34.6 | 31.5 | 31.7 | 31.6 | 30.0 | 27.0 | 25.5 |
| Average temperature (°C) | 22.3 | 23.0 | 25.8 | 26.5 | 27.9 | 28.9 | 26.2 | 26.2 | 26.4 | 25.2 | 22.9 | 21.5 |
| Average night temperature (°C) | 18.1 | 18.2 | 20.8 | 21.9 | 23.2 | 24.6 | 22.4 | 22.2 | 22.2 | 21.8 | 19.8 | 18.3 |
| Absolute minimum temperature (°C) | 13.5 | 14.8 | 17.0 | 18.3 | 18.1 | 21.7 | 21.0 | 20.2 | 21.3 | 18.1 | 15.9 | 14.6 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 9.4 | 9.3 | 10.0 | 10.1 | 10.8 | 10.5 | 10.2 | 10.2 | 11.0 | 9.6 | 8.0 | 7.3 |
| Precipitation (mm) | 26 | 10 | 70 | 72 | 53 | 232 | 381 | 402 | 185 | 322 | 59 | 87 |
| Sunny days | 16 | 15 | 19 | 10 | 15 | 13 | 3 | 2 | 0 | 2 | 7 | 8 |
| Rainy days | 15 | 13 | 12 | 20 | 16 | 17 | 28 | 29 | 30 | 29 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José (Piedras Negras) is at