December weather forecastTroy, MI
December
Weather in December
December confirms the onset of winter in Troy, Michigan. Average minimum temperatures drop to 26.2°F (-3.2°C), and snowfall increases to 1.38" (35mm). The shortened daylight hours and the increased cloud cover contribute to December's chill. Despite the cold and snow, the city gets adorned with festive decorations, adding warmth to the frigid weather. December’s winter weather combined with the holiday spirit is characteristic of this period in Troy.Temperature
As December arrives, Troy's weather displays a decrease in high-temperatures, transitioning from November's frosty 45.5°F (7.5°C) to a wintry 34.7°F (1.5°C). Troy reports an average low-temperature of 26.2°F (-3.2°C) during the subtly cooler December nights.Humidity
The average relative humidity in December in Troy, Michigan, is 82%.Rainfall
In Troy, in December, it is raining for 8.2 days, with typically 0.87" (22mm) of accumulated precipitation. In Troy, during the entire year, the rain falls for 136 days and collects up to 16.57" (421mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Troy, during December, snow falls for 11.2 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, in Troy, there are 52.3 snowfall days, and 10.59" (269mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:43 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:09 pm EST.
Sunshine
In Troy, the average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index in Troy, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Troy, MI
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (80.6°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 (63.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Troy, MI
- Average pressure in December: 30.07"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
Troy, MI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Troy, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in December
Troy, MI
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Troy, MI
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Troy, MI
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Troy, MI
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Troy, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Troy, MI
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Troy, MI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Troy, MI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Troy, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
