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Mason city, Michigan

Official LSAD Designation: Mason city • Census GEOID: 2652180 • Ingham County

Climate Normals & Weather Observations

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

Reference Weather Station: EAST LANSING 4 S, MI US (ID: USC00202395) • Located 6.8 miles from community center • Elevation: 268.2 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 31.8° 17.5° 24.7° 2.08"
February 34.4° 18.8° 26.6° 1.60"
March 44.9° 27.2° 36.0° 1.68"
April 57.7° 37.3° 47.5° 3.55"
May 70.2° 48.4° 59.3° 4.36"
June 79.4° 57.6° 68.5° 3.79"
July 83.0° 61.2° 72.1° 3.37"
August 81.4° 59.8° 70.6° 3.45"
September 75.5° 51.8° 63.6° 3.17"
October 61.6° 41.5° 51.5° 3.12"
November 48.2° 32.2° 40.2° 2.55"
December 37.1° 23.5° 30.3° 1.60"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station EATON RAPIDS, MI US (ID: USC00202437) • 11.6 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00202395), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at EATON RAPIDS, MI 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. 36.0 43.0 50.0 57.0 64.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2018: Annual mean 48.2°F 2021: Annual mean 49.9°F 2023: Annual mean 50.3°F 2024: Annual mean 51.9°F 2025: Annual mean 49.0°F 2018: Annual mean of daily highs 57.1°F 2021: Annual mean of daily highs 59.8°F 2023: Annual mean of daily highs 59.8°F 2024: Annual mean of daily highs 61.4°F 2025: Annual mean of daily highs 58.9°F 2018: Annual mean of daily lows 39.4°F 2019: Annual mean of daily lows 38.7°F 2021: Annual mean of daily lows 40.0°F 2023: Annual mean of daily lows 40.9°F 2024: Annual mean of daily lows 42.4°F 2025: Annual mean of daily lows 39.0°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 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 48.2 57.1 39.4
2019 Unavailable Unavailable 38.7
2020 Unavailable Unavailable Unavailable
2021 49.9 59.8 40.0
2022 Unavailable Unavailable Unavailable
2023 50.3 59.8 40.9
2024 51.9 61.4 42.4
2025 49.0 58.9 39.0
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.