Hermantown, MN Weather
Hermantown, MN climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's.
The warmest month of the year is July with an average maximum temperature of 76.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of -1.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at Hermantown is 31.00 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.25 Inches.
Weather Data
Weather Warnings
| Dense fog advisory in effect until 10 am cst Tuesday . |
Current Conditions
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Light Rain, 46°F | Humidity: 96% | Dewpoint: 45°F |
| Wind Speed: SE 6.9 MPH (6 KT) | Heat Index: 46°F | ||
| Barometer: 30.07 in. | Wind Chill: 42°F |
Weather Forecast
| Hi: 51°F | Rest of today: Rain likely. Widespread dense fog. Visibility one quarter mile or less at Times. Highs 48 to 53. East winds 5 to 10 mph. | |
| Lo: 40°F | ||
| Hi: 46°F | Tuesday: Areas of dense fog in the morning. Cloudy with a 50 percent chance of light rain. Visibility one quarter mile or less at Times in the morning. Highs 43 to 48. East winds around 5 mph. | |
| Lo: 35°F | ||
| Hi: 38°F | Wednesday: Light rain and snow likely. Highs 35 to 40. Northwest winds 10 to 15 mph. Chance of precipitation 60 percent. | |
| Lo: 28°F | ||
| Hi: 38°F | Thanksgiving day: Mostly cloudy with a 20 percent chance of snow showers. Highs 35 to 40. | |
| Lo: 25°F | ||
| Hi: 38°F | Friday: Partly cloudy. Lows 22 to 27. Highs 35 to 40. | |
| Lo: 26°F | ||
| Hi: 38°F | Saturday: Partly cloudy. Highs 35 to 40. Lows 23 to 28. | |
| Lo: 26°F |
Moon, Sunrise and Sunset
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Moon Phase: First Quarter Moon | Civil Twilight: 6:48 AM CST |
Sunrise: 7:22 AM CST |
| Sunset: 4:27 PM CST |
Civil Twilight: 5:01 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 17.9 | 24.4 | 34.2 | 49.0 | 63.4 | 71.2 | 76.3 | 73.9 | 64.5 | 52.5 | 35.2 | 22.3 | 48.7 |
| Mean °F | 8.4 | 14.8 | 25.4 | 39.0 | 51.8 | 59.9 | 65.5 | 63.7 | 54.7 | 43.5 | 28.0 | 14.0 | 39.1 |
| Min °F | -1.2 | 5.1 | 16.5 | 28.9 | 40.2 | 48.5 | 54.6 | 53.5 | 44.8 | 34.5 | 20.7 | 5.6 | 29.3 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.12 | 0.83 | 1.69 | 2.09 | 2.95 | 4.25 | 4.20 | 4.22 | 4.13 | 2.46 | 2.12 | 0.94 | 31.00 |

