December weather forecastJenison, MI
December
Weather in December
The first month of the winter, December, is still a cold month in Jenison, Michigan, with an average temperature varying between 34°F (1.1°C) and 26.2°F (-3.2°C).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 45.3°F (7.4°C) in November to a cold 34°F (1.1°C). A mean low-temperature of 26.2°F (-3.2°C) is anticipated during the month of December, a slight step down from the daytime high.Humidity
In December, the average relative humidity is 84%.Rainfall
In Jenison, in December, during 7.9 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Jenison, there are 143.3 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Jenison, Michigan, during December, snow falls for 15.1 days and regularly aggregates up to 4.02" (102mm) of snow. Throughout the year, there are 68.7 snowfall days, and 20.24" (514mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:55 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Jenison. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jenison, MI
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Jenison, MI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Jenison, MI
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Jenison, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Jenison, MI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Jenison, MI
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in December
Jenison, MI
- Average snowfall in December: 4.02"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jenison, MI
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jenison, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Jenison, MI
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Jenison, 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
Jenison, MI
- Average cloud cover in December: 69
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
Jenison, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
