Average annual temperature is 19.8 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 233 days
Number of rainy days: 132 days
Look at detailed online map of Callahan County
* Weather data for Callahan 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) | 27.5 | 29.0 | 30.7 | 34.3 | 34.9 | 41.0 | 40.8 | 41.9 | 40.4 | 32.2 | 30.2 | 24.8 |
| Average daytime temperature (°C) | 16.7 | 17.0 | 21.8 | 25.4 | 29.3 | 33.9 | 37.3 | 39.0 | 33.7 | 25.9 | 18.9 | 16.6 |
| Average temperature (°C) | 10.1 | 9.3 | 14.7 | 18.0 | 22.7 | 27.4 | 31.2 | 33.0 | 27.8 | 19.5 | 13.1 | 10.6 |
| Average night temperature (°C) | 5.1 | 4.4 | 9.7 | 12.6 | 17.4 | 21.9 | 25.1 | 26.5 | 22.6 | 14.6 | 8.7 | 6.1 |
| Absolute minimum temperature (°C) | -7.9 | -8.1 | 0.5 | 6.3 | 12.3 | 16.6 | 19.7 | 20.7 | 17.7 | 0.2 | -0.7 | -0.6 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.9 | 7.3 | 8.7 | 10.2 | 10.6 | 12.0 | 12.5 | 12.4 | 10.5 | 8.7 | 7.8 | 7.9 |
| Precipitation (mm) | 29 | 62 | 59 | 37 | 104 | 109 | 13 | 0 | 57 | 115 | 12 | 43 |
| Sunny days | 24 | 15 | 17 | 17 | 9 | 14 | 24 | 29 | 21 | 21 | 20 | 22 |
| Rainy days | 7 | 13 | 14 | 13 | 22 | 16 | 7 | 2 | 9 | 10 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Callahan County during the most sunny months:
The largest precipitation sum in Callahan County is at