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NWS Alerts

Islands: Mackinac/Bois Blanc
 Details for Islands: Mackinac/Bois Blanc Winter Weather Advisory

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Lake Huron Wx Courtesy of

  • Team Toolik

Temperature & Rainfall Trends

Note: Trends are based on data recorded at Lake Huron Weather since 2015.

Annual Temperature Trend
Month Average since 2015 Current Month Difference
January 23.4°F 20.9°F (2025) -2.5°F2.5°F Colder than All-Time Average Temperature.
February 23.3°F 22.0°F (2025) -1.3°F1.3°F Colder than All-Time Average Temperature.
March 30.6°F 31.7°F (2025) 1.1°F1.1°F Warmer than All-Time Average Temperature.
April 38.9°F 43.7°F (2025) 4.8°F4.8°F Warmer than All-Time Average Temperature.
May 50.1°F 49.5°F (2025) -0.6°F0.6°F Colder than All-Time Average Temperature.
June 61.2°F 61.9°F (2025) 0.7°F0.7°F Warmer than All-Time Average Temperature.
July 68.2°F 69.2°F (2025) 1.0°F1°F Warmer than All-Time Average Temperature.
August 67.4°F 67.5°F (2025) 0.1°F0.1°F Warmer than All-Time Average Temperature.
September 61.1°F 59.8°F (2025) -1.3°F1.3°F Colder than All-Time Average Temperature.
October 50.1°F 52.2°F (2025) 2.1°F2.1°F Warmer than All-Time Average Temperature.
November 37.9°F 39.8°F (2025) 1.9°F1.9°F Warmer than All-Time Average Temperature.
December 29.8°F 29.7°F (2024) -0.1°F0.1°F Colder than All-Time Average Temperature.
Average 12 Month Temperature since 2015: 45.3°F
Current 12 Month Temperature: 45.7°F
Current 12 Month Temperature Trend: 0.4°F0.4°F Warmer than All-Time Average Temperature.

Annual Rainfall Trend
Month Average since 2015 Current Month Difference
January 0.77 in 0.20 in (2025) -0.57 in0.57 in less than All-Time Average Rainfall.
February 0.71 in --- in (2025)