Average annual temperature is 15.0 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 257 days
Number of rainy days: 101 days
Number of snow days: 7 days
Look at detailed online map of San Patricio
* Weather data for San Patricio United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.2 | 18.5 | 22.2 | 28.7 | 30.0 | 38.1 | 38.2 | 36.3 | 34.3 | 28.7 | 25.4 | 20.6 |
| Average daytime temperature (°C) | 9.9 | 12.1 | 17.0 | 21.7 | 26.1 | 31.3 | 34.3 | 31.3 | 29.2 | 22.2 | 16.3 | 13.2 |
| Average temperature (°C) | 3.6 | 5.1 | 9.9 | 13.8 | 18.8 | 24.3 | 27.4 | 24.8 | 21.7 | 15.1 | 8.8 | 6.1 |
| Average night temperature (°C) | -1.0 | 0.3 | 3.9 | 6.6 | 11.9 | 16.7 | 19.8 | 18.6 | 15.1 | 9.2 | 3.4 | 1.0 |
| Absolute minimum temperature (°C) | -10.8 | -8.6 | -3.5 | -2.1 | 7.6 | 10.9 | 16.5 | 14.8 | 11.6 | -4.0 | -5.1 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 8.7 | 8.5 | 10.4 | 11.8 | 11.7 | 12.7 | 12.9 | 11.4 | 10.9 | 9.9 | 8.5 | 8.4 |
| Precipitation (mm) | 18 | 15 | 9 | 3 | 31 | 9 | 5 | 37 | 21 | 12 | 8 | 10 |
| Sunny days | 24 | 15 | 22 | 24 | 16 | 22 | 20 | 18 | 19 | 24 | 27 | 26 |
| Rainy days | 5 | 9 | 8 | 6 | 15 | 8 | 11 | 13 | 11 | 7 | 3 | 5 |
| Snow days | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Patricio is at