December weather forecastConstantine, MI
December
Weather in December
The first month of the winter, December, is also a wintry month in Constantine, Michigan, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 34.9°F (1.6°C).Temperature
December involves a decrease in temperature, down from a chilly 46°F (7.8°C) in November to a wintry 34.9°F (1.6°C). Constantine notes a consistent average low-temperature of 26.1°F (-3.3°C) during December nights.Humidity
The average relative humidity in December is 84%.Rainfall
In Constantine, in December, during 8.4 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Constantine, during the entire year, the rain falls for 149.2 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Constantine, Michigan, during December, snow falls for 12.3 days and regularly aggregates up to 2.01" (51mm) of snow. In Constantine, during the entire year, snow falls for 55.6 days and aggregates up to 12.09" (307mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:51 am and sunset at 5:12 pm. On the last day of December, sunrise is at 8:10 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Constantine, MI
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Constantine, MI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Constantine, MI
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Constantine, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Constantine, MI
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are February and November (1.1").
Average rainfall days in December
Constantine, MI
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Constantine, MI
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Constantine, MI
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Constantine, MI
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Constantine, MI
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in December
Constantine, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Constantine, MI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Constantine, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
