Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 185 days
Number of rainy days: 176 days
Number of snow days: 4 days
Look at detailed online map of Longstown
* Weather data for Longstown 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) | 18.1 | 20.5 | 21.6 | 29.4 | 28.8 | 33.9 | 35.1 | 32.5 | 34.9 | 27.5 | 22.4 | 17.1 |
| Average daytime temperature (°C) | 8.7 | 10.4 | 11.4 | 20.1 | 22.6 | 26.9 | 30.7 | 29.0 | 24.8 | 19.7 | 12.0 | 9.5 |
| Average temperature (°C) | 5.0 | 5.0 | 5.9 | 13.8 | 16.0 | 20.6 | 25.1 | 23.6 | 19.7 | 14.5 | 6.7 | 5.3 |
| Average night temperature (°C) | 1.9 | 0.6 | 1.1 | 8.5 | 9.7 | 15.2 | 20.2 | 18.9 | 15.5 | 10.1 | 2.4 | 1.8 |
| Absolute minimum temperature (°C) | -4.0 | -10.4 | -5.6 | 1.4 | 3.6 | 10.8 | 16.8 | 14.7 | 9.3 | 3.5 | -5.8 | -4.4 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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 | 6.9 | 7.4 | 9.2 | 11.5 | 10.7 | 12.3 | 10.6 | 8.4 | 8.4 | 7.7 | 4.7 |
| Precipitation (mm) | 77 | 51 | 56 | 131 | 21 | 108 | 99 | 69 | 170 | 52 | 60 | 138 |
| Sunny days | 12 | 16 | 13 | 16 | 18 | 12 | 9 | 14 | 15 | 21 | 22 | 17 |
| Rainy days | 19 | 10 | 17 | 14 | 13 | 18 | 22 | 17 | 15 | 10 | 8 | 13 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Longstown during the most sunny months:
The largest precipitation sum in Longstown is at