Humidity Levels in Michigan During December





The average humidity in December is listed below for places in Michigan. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in December
Daily Place Morning Afternoon
80 Alpena 83 72
77 Detroit 81 70
77 Flint 81 71
80 Grand Rapids 83 74
83 Houghton Lake 85 77
81 Lansing 84 75
79 Muskegon 81 75
81 Sault Ste Marie 83 77

Highest and Lowest Humidity

Below are the averages during December for maximum and minimum humidity levels in Michigan. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in December
High Time Place Low Time
83.0 4 am Alpena 72.3 4 pm
80.8 7 am Detroit 70.0 4 pm
80.9 7 am Flint 71.3 4 pm
82.8 7 am Grand Rapids 74.1 4 pm
85.2 4 am Houghton Lake 76.6 4 pm
84.4 7 am Lansing 74.6 4 pm
81.0 7 am Muskegon 75.2 4 pm
83.3 7 am Sault Ste Marie 76.7 1 pm
Reference

World Data Center for Meteorology. Climate of the World.

Michigan Humidity
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