December weather forecastRothbury, MI
December
Weather in December
The first month of the winter, December, is still a cold month in Rothbury, Michigan, with an average temperature fluctuating between 27.5°F (-2.5°C) and 33.4°F (0.8°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a frosty 43.7°F (6.5°C) in November to an icy 33.4°F (0.8°C). During December, the nighttime temperatures align closely with the daytime averages, measuring a subzero cold 27.5°F (-2.5°C).Humidity
In Rothbury, the average relative humidity in December is 83%.Rainfall
In Rothbury, in December, during 6.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 142 rainfall days, and 25.98" (660mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 14.9 days. Throughout December, 4.49" (114mm) of snow is accumulated. Throughout the year, there are 67.6 snowfall days, and 19.29" (490mm) of snow is accumulated.Daylight
The month with the shortest days in Rothbury is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:59 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 5:19 pm EST.
Sunshine
In December, the average sunshine is 2.6h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Rothbury. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. 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
Rothbury, MI
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is August (74.3°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Rothbury, 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 (29.92"Hg).
Average wind speed in December
Rothbury, MI
- Average wind speed in December: 12.1mph
The windiest month (with the highest average wind speed) is November (12.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Rothbury, MI
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Rothbury, MI
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (3.58").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
Rothbury, MI
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is October (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Rothbury, MI
- Average snowfall in December: 4.49"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rothbury, MI
- Average snowfall days in December: 14.9 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rothbury, MI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Rothbury, MI
- Average sunshine days in December: 9.6 days
The months with the most sunshine days are August and September (14.8 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Rothbury, MI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Rothbury, MI
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Rothbury, 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 months with the lowest visibility are January, February and December (5mi).





