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Hermantown city, Minnesota

Official LSAD Designation: Hermantown city • Census GEOID: 2728682 • St. Louis County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Hermantown city.

Reference Weather Station: DULUTH NWS, MN US (ID: USC00212250) • Located 3.1 miles from community center • Elevation: 436.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 18.1° 0.7° 9.4° 0.92"
February 23.8° 4.3° 14.1° 0.95"
March 35.8° 17.1° 26.5° 1.35"
April 48.6° 28.7° 38.7° 2.50"
May 63.0° 40.2° 51.6° 3.20"
June 71.2° 49.7° 60.5° 4.49"
July 76.4° 55.9° 66.2° 4.13"
August 74.8° 55.2° 65.0° 3.55"
September 66.1° 47.3° 56.7° 3.50"
October 52.0° 35.7° 43.9° 3.02"
November 35.0° 21.8° 28.4° 1.98"
December 22.6° 8.3° 15.5° 1.34"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station DULUTH NWS, MN US (ID: USC00212250) • 3.1 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at DULUTH NWS, MN US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 24.0 31.8 39.5 47.3 55.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 43.1°F 2013: Annual mean 37.1°F 2014: Annual mean 36.0°F 2015: Annual mean 41.1°F 2018: Annual mean 38.4°F 2019: Annual mean 37.4°F 2020: Annual mean 40.5°F 2021: Annual mean 41.9°F 2022: Annual mean 37.3°F 2023: Annual mean 41.4°F 2024: Annual mean 43.3°F 2025: Annual mean 39.8°F 2012: Annual mean of daily highs 52.4°F 2013: Annual mean of daily highs 46.2°F 2014: Annual mean of daily highs 44.6°F 2015: Annual mean of daily highs 50.0°F 2018: Annual mean of daily highs 47.2°F 2019: Annual mean of daily highs 45.9°F 2020: Annual mean of daily highs 49.4°F 2021: Annual mean of daily highs 50.8°F 2022: Annual mean of daily highs 46.2°F 2023: Annual mean of daily highs 49.7°F 2024: Annual mean of daily highs 51.9°F 2025: Annual mean of daily highs 48.8°F 2012: Annual mean of daily lows 33.8°F 2013: Annual mean of daily lows 27.9°F 2014: Annual mean of daily lows 27.4°F 2015: Annual mean of daily lows 32.1°F 2018: Annual mean of daily lows 29.5°F 2019: Annual mean of daily lows 28.9°F 2020: Annual mean of daily lows 31.6°F 2021: Annual mean of daily lows 33.0°F 2022: Annual mean of daily lows 28.5°F 2023: Annual mean of daily lows 33.0°F 2024: Annual mean of daily lows 34.8°F 2025: Annual mean of daily lows 30.8°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 43.1 52.4 33.8
2013 37.1 46.2 27.9
2014 36.0 44.6 27.4
2015 41.1 50.0 32.1
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 38.4 47.2 29.5
2019 37.4 45.9 28.9
2020 40.5 49.4 31.6
2021 41.9 50.8 33.0
2022 37.3 46.2 28.5
2023 41.4 49.7 33.0
2024 43.3 51.9 34.8
2025 39.8 48.8 30.8
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.