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
December shows a mild decline in the average high-temperature, falling from November's icy 38.3°F (3.5°C) to a freezing cold 24.8°F (-4°C). The low-temperature average for Rib Mountain during December stands at 15.1°F (-9.4°C).Humidity
In December, the average relative humidity in Rib Mountain is 89%.Rainfall
In Rib Mountain, in December, it is raining for 4.6 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Rib Mountain, there are 118.3 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rib Mountain, Wisconsin, are January through May, October through December. December is the month with the most snowfall in Rib Mountain. Snow falls for 15.5 days and accumulates 4.65" (118mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Rib Mountain.On the first day of December, sunrise is at 7:17 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:27 pm CST.
Sunshine
In Rib Mountain, the average sunshine in December is 3.1h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rib Mountain. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Rib Mountain in December?
What is the average humidity in December in Rib Mountain?
How much does it rain in Rib Mountain in December?
When does it snow the most in Rib Mountain?
How many days does it snow in December in Rib Mountain?
What is the month with the shortest days in Rib Mountain?
What is the average length of the day in December in Rib Mountain?
When are sunrise and sunset in December in Rib Mountain?
How many hours of sunshine does Rib Mountain have in December?
What is the month with the lowest UV index in Rib Mountain?
How high is the UV index in December in Rib Mountain?
Average temperature in December
Rib Mountain, WI
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Rib Mountain, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Rib Mountain, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Rib Mountain, WI
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Rib Mountain, WI
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Rib Mountain, WI
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in December
Rib Mountain, WI
- Average snowfall in December: 4.65"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rib Mountain, WI
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rib Mountain, 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 48min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Rib Mountain, WI
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Rib Mountain, WI
- 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
Rib Mountain, WI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Rib Mountain, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rib Mountain, Wisconsin, USA
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