Average annual temperature is 17.3 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of Harnett County
* Weather data for Harnett 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) | 20.8 | 27.4 | 28.8 | 30.1 | 31.2 | 32.5 | 34.7 | 36.9 | 34.2 | 28.0 | 25.9 | 22.5 |
| Average daytime temperature (°C) | 14.5 | 17.1 | 18.8 | 23.5 | 25.0 | 29.1 | 32.5 | 32.6 | 28.0 | 22.9 | 17.2 | 14.5 |
| Average temperature (°C) | 9.2 | 11.5 | 12.6 | 17.1 | 19.4 | 23.1 | 27.0 | 26.9 | 22.3 | 17.3 | 11.3 | 8.8 |
| Average night temperature (°C) | 4.9 | 7.3 | 7.5 | 11.3 | 14.3 | 17.8 | 22.3 | 22.0 | 17.5 | 12.5 | 6.6 | 4.3 |
| Absolute minimum temperature (°C) | -2.2 | -4.3 | -2.2 | 2.3 | 7.9 | 13.0 | 19.7 | 17.8 | 12.9 | 5.6 | -4.6 | -2.7 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 6.8 | 8.4 | 9.3 | 9.9 | 11.0 | 11.4 | 10.9 | 10.0 | 8.9 | 7.7 | 6.7 |
| Precipitation (mm) | 105 | 83 | 73 | 186 | 82 | 97 | 79 | 143 | 77 | 19 | 39 | 143 |
| Sunny days | 15 | 14 | 16 | 15 | 15 | 12 | 12 | 15 | 15 | 23 | 23 | 20 |
| Rainy days | 16 | 14 | 15 | 15 | 16 | 18 | 19 | 16 | 15 | 8 | 7 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Harnett County during the most sunny months:
The largest precipitation sum in Harnett County is at