Average annual temperature is 16.8 °C
Absolute maximum temperature: 27.9 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of San Juan de las Tunas
* Weather data for San Juan de las Tunas 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) | 22.7 | 24.8 | 26.1 | 26.7 | 27.9 | 27.0 | 24.2 | 24.9 | 23.7 | 23.3 | 23.0 | 23.3 |
| Average daytime temperature (°C) | 20.4 | 21.6 | 22.8 | 24.1 | 23.5 | 23.3 | 22.3 | 22.6 | 22.0 | 20.9 | 20.5 | 19.7 |
| Average temperature (°C) | 14.9 | 15.6 | 16.8 | 17.8 | 18.0 | 18.3 | 17.6 | 17.6 | 17.3 | 16.7 | 16.1 | 14.7 |
| Average night temperature (°C) | 10.6 | 11.4 | 11.8 | 12.8 | 13.6 | 14.1 | 14.3 | 13.8 | 13.8 | 13.6 | 12.9 | 11.2 |
| Absolute minimum temperature (°C) | 8.1 | 8.8 | 10.3 | 11.1 | 12.3 | 12.7 | 12.4 | 11.7 | 12.6 | 10.8 | 10.0 | 4.4 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.6 | 11.1 | 11.6 | 11.4 | 11.3 | 10.2 | 10.0 | 10.3 | 10.1 | 9.1 | 9.8 |
| Precipitation (mm) | 20 | 11 | 59 | 150 | 190 | 237 | 227 | 146 | 184 | 231 | 63 | 30 |
| Sunny days | 17 | 16 | 9 | 5 | 5 | 2 | 4 | 2 | 0 | 1 | 7 | 12 |
| Rainy days | 14 | 12 | 22 | 25 | 26 | 28 | 27 | 29 | 30 | 30 | 23 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de las Tunas is at