Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a wintry 42.3°F (5.7°C) in November to a freezing cold 31.8°F (-0.1°C). In Black River, the nighttime temperature shows a slight difference from the daytime high, averaging to a still subzero cold 25.3°F (-3.7°C) during December.Humidity
In December, the average relative humidity is 82%.Rainfall
In December, in Black River, the rain falls for 8.4 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Black River, there are 119.4 rainfall days, and 13.9" (353mm) of precipitation is accumulated.Snowfall
Months with snowfall in Black River are January through May, October through December. In Black River, Michigan, in December, during 16.5 snowfall days, 2.52" (64mm) of snow is typically accumulated. Throughout the year, in Black River, Michigan, there are 82.7 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:51 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:10 am and sunset at 5:02 pm EST.
Sunshine
In Black River, the average sunshine in December is 2.4h.UV index
The months with the lowest UV index in Black River are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Black River in December?
What is the average humidity in December in Black River?
How much does it rain in Black River in December?
How much does it snow in Black River in December?
What is the month with the shortest days in Black River?
How many hours of daylight does Black River have in December?
What time are sunrise and sunset in December in Black River?
How long on average sun shines in December in Black River?
What is the month with the lowest UV index in Black River?
What is the UV index intensity in December in Black River?
Average temperature in December
Black River, MI
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are January and February (18°F).
Average pressure in December
Black River, 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
Black River, MI
- Average wind speed in December: 11.1mph
The windiest months (with the highest average wind speed) are January and December (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Black River, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Black River, MI
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Black River, MI
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is October (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Black River, MI
- Average snowfall in December: 2.52"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Black River, MI
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Black River, MI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 2min
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 48min).
Average sunshine days in December
Black River, MI
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in December
Black River, 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
Black River, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Black River, 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).
Black River, Michigan, USA
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