Average annual temperature is 23.2 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Frio County
* Weather data for Frio County 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) | 31.1 | 32.7 | 34.6 | 35.4 | 34.2 | 42.0 | 42.3 | 42.7 | 40.4 | 33.8 | 29.4 | 25.5 |
| Average daytime temperature (°C) | 22.1 | 22.8 | 27.8 | 27.7 | 30.1 | 37.8 | 39.5 | 39.4 | 37.0 | 28.4 | 20.9 | 20.7 |
| Average temperature (°C) | 15.6 | 15.6 | 20.4 | 21.4 | 24.6 | 30.8 | 32.3 | 32.4 | 30.8 | 23.0 | 16.3 | 14.5 |
| Average night temperature (°C) | 10.3 | 10.6 | 15.5 | 16.7 | 20.0 | 24.6 | 26.2 | 26.3 | 25.2 | 19.0 | 12.6 | 9.5 |
| Absolute minimum temperature (°C) | 2.2 | 1.7 | 5.6 | 12.2 | 16.1 | 19.9 | 24.4 | 23.5 | 22.9 | 6.6 | 4.9 | 2.9 |
| 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) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 7.4 | 7.9 | 7.1 | 8.2 | 9.7 | 12.3 | 12.3 | 11.8 | 10.9 | 8.0 | 6.3 | 7.2 |
| Precipitation (mm) | 29 | 34 | 69 | 129 | 122 | 13 | 6 | 33 | 14 | 85 | 47 | 32 |
| Sunny days | 22 | 20 | 12 | 8 | 7 | 19 | 24 | 27 | 20 | 13 | 16 | 21 |
| Rainy days | 9 | 8 | 19 | 22 | 24 | 11 | 7 | 4 | 10 | 18 | 14 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Frio County during the most sunny months:
The largest precipitation sum in Frio County is at