December weather forecastHillman, MI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Hillman, Michigan, with an average temperature ranging between min 24.3°F (-4.3°C) and max 31.1°F (-0.5°C).Temperature
The start of December comes with a reduction in the average high-temperature, receding from a wintry 41.9°F (5.5°C) in November to a subzero cold 31.1°F (-0.5°C). The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 24.3°F (-4.3°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 6 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Hillman, during the entire year, the rain falls for 118.1 days and collects up to 16.42" (417mm) of precipitation.Snowfall
Months with snowfall in Hillman are January through May, October through December. In Hillman, during December, snow falls for 16.4 days and regularly aggregates up to 2.8" (71mm) of snow. In Hillman, Michigan, during the entire year, snow falls for 80.2 days and aggregates up to 19.84" (504mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:54 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:03 pm EST.
Sunshine
In December, the average sunshine is 2.4h.UV index
The months with the lowest UV index in Hillman, Michigan, are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hillman, MI
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (59°F).
The coldest months (with the lowest average low temperature) are January and February (17.1°F).
Average pressure in December
Hillman, MI
- Average pressure in December: 30.03"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
Hillman, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Hillman, MI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Hillman, 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
Hillman, MI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Hillman, MI
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hillman, MI
- Average snowfall days in December: 16.4 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
Hillman, MI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Hillman, MI
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is May (16.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Hillman, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Hillman, MI
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Hillman, 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).





