Average annual temperature is 7.0 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 152 days
Number of rainy days: 140 days
Number of snow days: 73 days
Look at detailed online map of Grand Marais
* Weather data for Grand Marais 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) | 2.5 | 6.2 | 6.7 | 24.5 | 31.7 | 29.0 | 27.6 | 28.6 | 32.1 | 27.1 | 13.7 | 8.7 |
| Average daytime temperature (°C) | -1.6 | -2.0 | 0.4 | 8.7 | 16.2 | 20.1 | 21.0 | 21.6 | 21.1 | 12.8 | 5.2 | 2.9 |
| Average temperature (°C) | -3.7 | -5.4 | -2.7 | 4.1 | 10.9 | 15.5 | 16.7 | 17.8 | 16.9 | 10.0 | 2.1 | 0.7 |
| Average night temperature (°C) | -5.8 | -8.4 | -5.2 | 0.7 | 6.5 | 11.4 | 13.4 | 15.0 | 13.7 | 8.0 | -0.4 | -1.1 |
| Absolute minimum temperature (°C) | -17.1 | -20.3 | -9.8 | -7.6 | -0.3 | 5.6 | 9.2 | 10.8 | 7.6 | -1.6 | -6.8 | -5.0 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 1.8 | 4.2 | 6.8 | 7.1 | 11.3 | 11.0 | 11.8 | 10.9 | 9.2 | 5.1 | 3.9 | 2.2 |
| Precipitation (mm) | 83 | 67 | 47 | 101 | 111 | 95 | 71 | 50 | 39 | 93 | 52 | 67 |
| Sunny days | 6 | 6 | 14 | 8 | 23 | 18 | 15 | 16 | 21 | 6 | 10 | 9 |
| Rainy days | 6 | 5 | 4 | 15 | 8 | 12 | 16 | 15 | 9 | 23 | 14 | 13 |
| Snow days | 19 | 17 | 13 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 9 |
The best time to visit Grand Marais during the most sunny months:
Months with the longest average daylight duration in Grand Marais:
The largest precipitation sum in Grand Marais is at