Average annual temperature is 12.6 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 166 days
Number of rainy days: 192 days
Number of snow days: 7 days
Look at detailed online map of Smyth County
* Weather data for Smyth 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) | 19.3 | 24.3 | 24.0 | 26.9 | 25.8 | 30.0 | 32.9 | 31.6 | 31.0 | 26.6 | 23.2 | 17.0 |
| Average daytime temperature (°C) | 9.9 | 12.8 | 13.4 | 19.6 | 20.9 | 24.3 | 29.1 | 27.4 | 25.1 | 19.5 | 13.9 | 10.1 |
| Average temperature (°C) | 4.5 | 7.0 | 7.1 | 12.2 | 15.0 | 18.2 | 22.7 | 21.4 | 18.3 | 12.9 | 6.7 | 4.3 |
| Average night temperature (°C) | 0.8 | 2.7 | 2.2 | 5.9 | 9.9 | 13.0 | 17.3 | 16.7 | 13.0 | 7.6 | 1.5 | 0.4 |
| Absolute minimum temperature (°C) | -7.9 | -9.5 | -8.3 | -1.3 | 1.7 | 6.8 | 12.6 | 11.3 | 8.2 | 0.3 | -7.1 | -5.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 6.0 | 8.0 | 9.6 | 10.0 | 10.7 | 11.7 | 10.2 | 10.4 | 8.4 | 7.8 | 5.8 |
| Precipitation (mm) | 101 | 102 | 75 | 106 | 76 | 61 | 65 | 72 | 52 | 28 | 37 | 96 |
| Sunny days | 14 | 9 | 16 | 17 | 12 | 9 | 10 | 10 | 16 | 20 | 20 | 13 |
| Rainy days | 16 | 19 | 13 | 13 | 19 | 21 | 21 | 21 | 14 | 11 | 9 | 15 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Smyth County during the most sunny months:
The largest precipitation sum in Smyth County is at