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Rock CDP, Michigan

Official LSAD Designation: Rock CDP • Census GEOID: 2669060 • Delta County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Rock CDP.

Reference Weather Station: CORNELL 5SE, MI US (ID: USC00201802) • Located 16.7 miles from community center • Elevation: 242.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 27.3° 8.4° 17.8° 1.21"
February 30.4° 9.3° 19.8° 1.08"
March 40.7° 18.1° 29.4° 1.44"
April 52.6° 28.8° 40.7° 2.52"
May 66.2° 40.3° 53.3° 2.94"
June 76.4° 50.3° 63.4° 3.18"
July 81.8° 55.0° 68.4° 3.54"
August 80.8° 53.9° 67.4° 3.52"
September 72.0° 46.7° 59.3° 3.56"
October 58.0° 36.2° 47.1° 3.29"
November 44.3° 26.2° 35.3° 2.16"
December 32.8° 15.7° 24.2° 1.68"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CORNELL 5SE, MI US (ID: USC00201802) • 16.7 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 CORNELL 5SE, 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. 33.0 39.5 46.0 52.5 59.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 46.0°F 2010: Annual mean of daily highs 56.3°F 2010: Annual mean of daily lows 35.7°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 46.0 56.3 35.7
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 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.