Average annual temperature is 15.9 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 272 days
Number of rainy days: 88 days
Number of snow days: 5 days
Look at detailed online map of Barnwell
* Weather data for Barnwell 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) | 13.2 | 15.7 | 16.7 | 29.9 | 29.8 | 33.7 | 41.1 | 37.4 | 34.7 | 29.5 | 25.1 | 18.6 |
| Average daytime temperature (°C) | 7.6 | 10.4 | 11.5 | 21.8 | 25.4 | 28.7 | 37.0 | 32.4 | 28.5 | 23.6 | 15.8 | 13.0 |
| Average temperature (°C) | 3.9 | 4.7 | 6.3 | 15.5 | 19.5 | 22.5 | 31.3 | 27.0 | 22.8 | 18.1 | 10.7 | 8.2 |
| Average night temperature (°C) | 0.8 | 0.4 | 2.3 | 9.8 | 13.0 | 15.9 | 24.4 | 21.7 | 17.5 | 12.8 | 6.2 | 4.1 |
| Absolute minimum temperature (°C) | -4.5 | -6.4 | -4.6 | -2.6 | 5.0 | 11.0 | 17.7 | 15.7 | 12.1 | 0.0 | -1.9 | -1.5 |
| 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) | 7.2 | 9.1 | 9.1 | 12.0 | 12.8 | 12.9 | 13.2 | 11.3 | 10.6 | 10.4 | 9.1 | 8.3 |
| Precipitation (mm) | 46 | 20 | 38 | 1 | 16 | 18 | 0 | 107 | 18 | 6 | 8 | 13 |
| Sunny days | 14 | 20 | 16 | 28 | 22 | 20 | 28 | 19 | 22 | 29 | 28 | 26 |
| Rainy days | 16 | 6 | 14 | 1 | 9 | 10 | 3 | 12 | 8 | 2 | 2 | 5 |
| Snow days | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Barnwell during the most sunny months:
The largest precipitation sum in Barnwell is at