Average annual temperature is 21.3 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Blanco County
* Weather data for Blanco 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) | 28.2 | 30.2 | 32.5 | 34.9 | 35.2 | 40.3 | 40.5 | 41.8 | 40.2 | 34.3 | 27.7 | 25.1 |
| Average daytime temperature (°C) | 18.9 | 19.5 | 25.0 | 25.6 | 29.2 | 35.5 | 37.7 | 39.2 | 35.0 | 27.1 | 19.5 | 18.8 |
| Average temperature (°C) | 13.0 | 12.5 | 17.8 | 18.9 | 23.1 | 28.6 | 31.1 | 32.3 | 28.9 | 21.5 | 14.5 | 12.7 |
| Average night temperature (°C) | 8.4 | 7.9 | 13.1 | 14.1 | 18.6 | 22.8 | 24.7 | 25.5 | 23.5 | 17.0 | 10.6 | 7.9 |
| Absolute minimum temperature (°C) | -2.7 | -2.8 | 4.2 | 8.8 | 14.1 | 18.3 | 22.4 | 23.3 | 20.3 | 3.8 | 2.4 | 0.9 |
| 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) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 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) | 7.4 | 7.7 | 7.2 | 7.8 | 8.7 | 11.4 | 12.1 | 12.0 | 10.4 | 8.4 | 6.0 | 7.3 |
| Precipitation (mm) | 41 | 65 | 45 | 125 | 124 | 43 | 18 | 8 | 55 | 121 | 53 | 27 |
| Sunny days | 18 | 15 | 9 | 9 | 6 | 11 | 24 | 25 | 17 | 16 | 19 | 23 |
| Rainy days | 13 | 13 | 22 | 21 | 25 | 19 | 7 | 6 | 13 | 15 | 11 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Blanco County during the most sunny months:
The largest precipitation sum in Blanco County is at