Average annual temperature is 23.5 °C
Absolute maximum temperature: 44.7 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Unión San Javier
* Weather data for Unión San Javier 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) | 32.4 | 35.9 | 39.4 | 38.7 | 36.8 | 44.7 | 40.1 | 40.7 | 39.6 | 34.9 | 30.7 | 31.0 |
| Average daytime temperature (°C) | 24.7 | 25.7 | 29.3 | 28.9 | 30.8 | 37.8 | 37.5 | 37.7 | 36.3 | 27.6 | 21.8 | 21.2 |
| Average temperature (°C) | 17.8 | 17.8 | 21.6 | 22.3 | 24.8 | 30.5 | 30.5 | 30.8 | 29.7 | 22.4 | 17.0 | 15.8 |
| Average night temperature (°C) | 12.2 | 11.9 | 16.1 | 17.4 | 19.9 | 24.0 | 24.5 | 24.7 | 23.9 | 18.8 | 13.4 | 11.7 |
| Absolute minimum temperature (°C) | 6.2 | 3.4 | 4.7 | 11.1 | 16.0 | 19.0 | 22.2 | 22.3 | 21.2 | 7.6 | 6.5 | 5.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 9.6 | 8.5 | 9.2 | 10.1 | 11.6 | 12.1 | 11.6 | 11.1 | 7.7 | 6.5 | 7.0 |
| Precipitation (mm) | 12 | 4 | 25 | 37 | 62 | 18 | 37 | 25 | 9 | 125 | 77 | 29 |
| Sunny days | 26 | 24 | 19 | 13 | 7 | 16 | 24 | 20 | 25 | 9 | 21 | 22 |
| Rainy days | 5 | 4 | 12 | 17 | 24 | 14 | 7 | 11 | 5 | 22 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Unión San Javier during the most sunny months:
The largest precipitation sum in Unión San Javier is at