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
In Black River Falls, entering December brings a temperature decrement, reducing from November's icy 40.6°F (4.8°C) to a freezing cold 26.4°F (-3.1°C). In Black River Falls, the nighttime temperature averages to 15.4°F (-9.2°C) during December.Humidity
In December, the average relative humidity is 88%.Rainfall
In Black River Falls, in December, during 4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Black River Falls, Wisconsin, there are 120.8 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
Months with snowfall in Black River Falls, Wisconsin, are January through May, October through December. In Black River Falls, in December, snow falls for 13.4 days, with typically accumulated 2.83" (72mm) of snow. Throughout the year, in Black River Falls, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
The month with the shortest days in Black River Falls is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:34 pm CST.
Sunshine
In Black River Falls, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Black River Falls?
What is the average humidity in December in Black River Falls?
How many days does it rain in December in Black River Falls?
How many days does it snow in December in Black River Falls?
What is the month with the shortest days in Black River Falls?
What is the average length of the day in December in Black River Falls?
What time are sunrise and sunset in December in Black River Falls?
How long on average sun shines in December in Black River Falls?
When is the lowest UV index in Black River Falls?
What is the UV index reading in December in Black River Falls?
Average temperature in December
Black River Falls, WI
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Black River Falls, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Black River Falls, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Black River Falls, WI
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Black River Falls, WI
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Black River Falls, WI
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Black River Falls, WI
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Black River Falls, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15.4 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 Falls, WI
- 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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Black River Falls, WI
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Black River Falls, WI
- Average UV index in December: 1
The months with the highest UV index are May, 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 Falls, WI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Black River Falls, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Black River Falls, Wisconsin, USA
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