December weather forecastAllegan, MI
December
Weather in December
December, the first month of the winter in Allegan, is also an icy month, with an average temperature varying between 26.6°F (-3°C) and 34.9°F (1.6°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 45.7°F (7.6°C) in November to a cold 34.9°F (1.6°C). Allegan welcomes an average low temperature of 26.6°F (-3°C) in December, a gentle shift from the day's high.Humidity
In December, the average relative humidity in Allegan, Michigan, is 84%.Rainfall
In December, in Allegan, the rain falls for 8.6 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Allegan, during the entire year, the rain falls for 139.4 days and collects up to 19.76" (502mm) of precipitation.Snowfall
Months with snowfall in Allegan are January through April, October through December. In December, in Allegan, Michigan, it is snowing for 13.7 days. Throughout December, 2.52" (64mm) of snow is accumulated. Throughout the year, in Allegan, there are 62.3 snowfall days, and 13.03" (331mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Allegan.On the first day of December in Allegan, Michigan, sunrise is at 7:54 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Allegan, MI
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Allegan, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Allegan, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Allegan, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Allegan, MI
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is October (2.4").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Allegan, MI
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is October (15.9 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Allegan, MI
- Average snowfall in December: 2.52"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Allegan, MI
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allegan, MI
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Allegan, MI
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is January (8.7 days).
Average UV index in December
Allegan, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Allegan, MI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Allegan, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
