Average annual temperature is 21.2 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -2.2 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Hays County
* Weather data for Hays 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) | 26.1 | 29.5 | 32.1 | 33.5 | 31.4 | 39.2 | 39.1 | 41.3 | 39.4 | 34.1 | 27.0 | 24.4 |
| Average daytime temperature (°C) | 18.5 | 19.4 | 24.4 | 24.9 | 28.0 | 34.6 | 36.6 | 39.0 | 34.8 | 27.0 | 19.2 | 18.7 |
| Average temperature (°C) | 13.0 | 12.6 | 17.8 | 18.6 | 22.6 | 28.1 | 30.5 | 32.2 | 29.0 | 21.6 | 14.5 | 13.0 |
| Average night temperature (°C) | 8.7 | 8.3 | 13.3 | 14.2 | 18.5 | 22.6 | 24.5 | 25.7 | 23.6 | 17.3 | 10.9 | 8.5 |
| Absolute minimum temperature (°C) | -2.2 | -1.6 | 5.0 | 9.0 | 13.1 | 18.3 | 22.2 | 23.7 | 20.8 | 4.5 | 3.6 | 1.9 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.2 |
| 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) | 7.0 | 7.6 | 7.0 | 7.3 | 8.5 | 11.1 | 12.0 | 12.1 | 10.2 | 8.1 | 6.0 | 7.3 |
| Precipitation (mm) | 74 | 55 | 86 | 218 | 181 | 42 | 13 | 1 | 53 | 99 | 68 | 31 |
| Sunny days | 19 | 16 | 9 | 8 | 3 | 13 | 20 | 25 | 16 | 14 | 15 | 22 |
| Rainy days | 12 | 12 | 22 | 22 | 28 | 17 | 11 | 6 | 14 | 17 | 15 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hays County during the most sunny months:
The largest precipitation sum in Hays County is at