December weather forecastRattle Run, MI
December
Weather in December
The first month of the winter, December, is still a cold month in Rattle Run, Michigan, with an average temperature varying between 34.7°F (1.5°C) and 26.2°F (-3.2°C).Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 45.3°F (7.4°C) to an icy 34.7°F (1.5°C). Rattle Run's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of 26.2°F (-3.2°C).Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Rattle Run, during the entire year, the rain falls for 138 days and collects up to 17.8" (452mm) of precipitation.Snowfall
Months with snowfall in Rattle Run are January through May, October through December. In Rattle Run, Michigan, in December, during 11.3 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Rattle Run, during the entire year, snow falls for 55.4 days and aggregates up to 10.55" (268mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 4:57 pm. On the last day of December, in Rattle Run, sunrise is at 8:01 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in December in Rattle Run is 3.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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
Rattle Run, MI
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Rattle Run, MI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rattle Run, MI
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Rattle Run, MI
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Rattle Run, MI
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Rattle Run, MI
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Rattle Run, MI
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rattle Run, MI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rattle Run, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Rattle Run, MI
- Average sunshine days in December: 13.8 days
The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Rattle Run, MI
- Average UV index in December: 1
The months with the highest UV index are 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
Rattle Run, MI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Rattle Run, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
