Average annual temperature is 8.9 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -27.3 °C
Number of sunny days: 193 days
Number of rainy days: 137 days
Number of snow days: 35 days
Look at detailed online map of Township of Waltham
* Weather data for Township of Waltham 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) | 2.6 | 7.7 | 12.8 | 26.5 | 30.4 | 30.6 | 32.5 | 35.6 | 33.7 | 29.1 | 17.8 | 11.2 |
| Average daytime temperature (°C) | -3.7 | -0.9 | 3.9 | 13.0 | 22.6 | 27.4 | 27.0 | 27.4 | 24.4 | 15.0 | 7.9 | 4.4 |
| Average temperature (°C) | -7.2 | -6.3 | -1.5 | 6.9 | 16.3 | 21.8 | 21.3 | 21.9 | 19.0 | 10.5 | 2.8 | 0.2 |
| Average night temperature (°C) | -10.0 | -10.7 | -5.7 | 2.4 | 10.6 | 16.3 | 16.0 | 17.2 | 14.6 | 6.7 | -1.1 | -2.5 |
| Absolute minimum temperature (°C) | -26.2 | -27.3 | -18.4 | -5.9 | -0.1 | 7.9 | 10.7 | 10.8 | 6.8 | -6.3 | -14.2 | -9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.5 | 6.8 | 6.9 | 8.1 | 11.5 | 13.0 | 12.4 | 11.8 | 9.5 | 7.2 | 6.3 | 4.7 |
| Precipitation (mm) | 54 | 60 | 78 | 92 | 102 | 79 | 62 | 70 | 79 | 119 | 8 | 40 |
| Sunny days | 18 | 17 | 16 | 11 | 20 | 14 | 13 | 16 | 13 | 15 | 21 | 19 |
| Rainy days | 5 | 6 | 6 | 16 | 11 | 16 | 18 | 15 | 17 | 13 | 7 | 7 |
| Snow days | 8 | 5 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 5 |
The best time to visit Township of Waltham during the most sunny months:
Months with the longest average daylight duration in Township of Waltham:
The largest precipitation sum in Township of Waltham is at