Average annual temperature is 24.2 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 9.4 °C
Number of sunny days: 206 days
Number of rainy days: 159 days
Look at detailed online map of Piedras Negras
* Weather data for 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) | 31.3 | 34.0 | 35.3 | 37.5 | 38.2 | 37.9 | 31.8 | 31.3 | 31.1 | 30.8 | 31.4 | 29.7 |
| Average daytime temperature (°C) | 28.8 | 31.3 | 33.0 | 35.2 | 34.8 | 34.3 | 29.8 | 29.0 | 29.3 | 27.9 | 29.2 | 27.8 |
| Average temperature (°C) | 21.1 | 23.2 | 24.6 | 26.6 | 27.4 | 27.4 | 24.4 | 24.0 | 24.0 | 23.2 | 23.1 | 21.0 |
| Average night temperature (°C) | 13.9 | 15.6 | 17.3 | 19.0 | 20.7 | 21.7 | 20.0 | 19.9 | 19.3 | 19.4 | 18.0 | 15.2 |
| Absolute minimum temperature (°C) | 11.8 | 12.5 | 11.9 | 15.6 | 18.0 | 17.9 | 18.6 | 18.3 | 17.1 | 16.8 | 14.0 | 9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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 | 12.6 | 13.0 | 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) | 10.3 | 10.7 | 11.3 | 11.7 | 11.6 | 11.5 | 10.8 | 10.4 | 10.5 | 9.0 | 10.0 | 9.1 |
| Precipitation (mm) | 0 | 0 | 6 | 0 | 45 | 79 | 162 | 174 | 105 | 181 | 31 | 8 |
| Sunny days | 29 | 28 | 27 | 30 | 20 | 14 | 4 | 3 | 5 | 1 | 22 | 23 |
| Rainy days | 2 | 0 | 4 | 0 | 11 | 16 | 27 | 28 | 25 | 30 | 8 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Piedras Negras is at