Average annual temperature is 20.7 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 262 days
Number of rainy days: 103 days
Look at detailed online map of San Julian
* Weather data for San Julian 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) | 26.5 | 31.0 | 32.6 | 33.5 | 34.4 | 39.6 | 35.2 | 32.3 | 32.8 | 29.8 | 30.5 | 25.2 |
| Average daytime temperature (°C) | 24.1 | 26.3 | 29.3 | 30.3 | 31.4 | 35.8 | 29.9 | 29.2 | 30.6 | 26.5 | 25.4 | 22.4 |
| Average temperature (°C) | 16.2 | 18.1 | 20.2 | 21.9 | 23.3 | 26.5 | 22.8 | 22.4 | 22.9 | 20.1 | 18.3 | 15.6 |
| Average night temperature (°C) | 8.8 | 10.6 | 12.0 | 14.1 | 15.7 | 19.0 | 17.5 | 17.2 | 17.2 | 15.4 | 12.2 | 9.2 |
| Absolute minimum temperature (°C) | 6.3 | 8.7 | 9.2 | 10.9 | 12.9 | 16.4 | 14.7 | 14.5 | 15.5 | 12.1 | 6.8 | 3.3 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.5 | 11.2 | 11.6 | 11.7 | 12.1 | 11.4 | 10.7 | 11.2 | 9.3 | 9.6 | 8.6 |
| Precipitation (mm) | 5 | 0 | 0 | 0 | 6 | 8 | 129 | 122 | 62 | 114 | 31 | 8 |
| Sunny days | 29 | 28 | 31 | 29 | 29 | 27 | 5 | 7 | 16 | 11 | 23 | 27 |
| Rainy days | 2 | 0 | 0 | 1 | 2 | 3 | 26 | 24 | 14 | 20 | 7 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Julian is at