Average annual temperature is 27.7 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of San Juan de Ulúa
* Weather data for San Juan de Ulúa 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) | 34.8 | 37.2 | 41.1 | 42.0 | 41.0 | 42.2 | 39.4 | 36.6 | 37.4 | 36.1 | 34.0 | 34.3 |
| Average daytime temperature (°C) | 31.9 | 33.0 | 36.0 | 37.8 | 37.6 | 38.3 | 36.1 | 34.7 | 34.6 | 33.7 | 31.1 | 29.2 |
| Average temperature (°C) | 25.3 | 26.1 | 28.1 | 29.7 | 29.9 | 30.7 | 29.0 | 28.1 | 27.9 | 27.4 | 25.6 | 23.9 |
| Average night temperature (°C) | 20.8 | 21.2 | 22.7 | 23.9 | 24.2 | 25.3 | 24.7 | 24.0 | 23.8 | 23.1 | 21.8 | 20.2 |
| Absolute minimum temperature (°C) | 15.1 | 16.3 | 19.6 | 20.6 | 19.1 | 21.8 | 22.9 | 22.4 | 22.5 | 19.7 | 20.0 | 15.3 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 9.9 | 10.6 | 11.7 | 11.6 | 11.6 | 10.9 | 11.3 | 10.7 | 10.4 | 9.6 | 9.1 |
| Precipitation (mm) | 12 | 7 | 35 | 14 | 38 | 69 | 163 | 135 | 89 | 90 | 94 | 68 |
| Sunny days | 21 | 17 | 23 | 22 | 20 | 12 | 4 | 1 | 1 | 11 | 5 | 13 |
| Rainy days | 10 | 11 | 8 | 8 | 11 | 18 | 27 | 30 | 29 | 20 | 25 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de Ulúa is at