Average annual temperature is 12.4 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 226 days
Number of rainy days: 124 days
Number of snow days: 15 days
Look at detailed online map of Hallam
* Weather data for Hallam 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) | 11.5 | 15.2 | 22.5 | 29.1 | 31.0 | 33.5 | 35.7 | 37.7 | 34.6 | 31.5 | 22.4 | 15.6 |
| Average daytime temperature (°C) | 3.0 | 7.0 | 9.5 | 19.5 | 25.5 | 29.7 | 29.0 | 30.3 | 28.0 | 18.9 | 12.3 | 6.7 |
| Average temperature (°C) | -1.5 | -0.1 | 3.1 | 11.9 | 19.0 | 23.7 | 23.8 | 24.6 | 21.9 | 13.6 | 6.5 | 2.2 |
| Average night temperature (°C) | -4.8 | -4.7 | -1.5 | 5.9 | 13.2 | 17.9 | 19.2 | 19.9 | 16.7 | 9.0 | 1.8 | -1.2 |
| Absolute minimum temperature (°C) | -16.1 | -17.1 | -10.4 | -4.9 | 3.7 | 10.6 | 12.8 | 13.1 | 10.5 | -5.7 | -6.2 | -6.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 6.1 | 7.8 | 8.3 | 10.0 | 11.4 | 13.1 | 11.5 | 11.3 | 10.4 | 7.9 | 7.1 | 5.3 |
| Precipitation (mm) | 43 | 40 | 32 | 13 | 48 | 65 | 113 | 29 | 21 | 63 | 27 | 50 |
| Sunny days | 19 | 20 | 21 | 24 | 14 | 17 | 14 | 19 | 20 | 15 | 23 | 20 |
| Rainy days | 6 | 6 | 9 | 6 | 17 | 13 | 17 | 12 | 10 | 15 | 5 | 8 |
| Snow days | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
The best time to visit Hallam during the most sunny months:
The largest precipitation sum in Hallam is at