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
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 43.9°F (6.6°C) in November to an icy 32.7°F (0.4°C). In December, a low-temperature average of 23.7°F (-4.6°C) is characteristic of Union Grove, marking a minor shift from daytime temperatures.Humidity
In December, the average relative humidity is 82%.Rainfall
In Union Grove, in December, during 7.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Union Grove, during the entire year, the rain falls for 154.2 days and collects up to 30.67" (779mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 11 days. Throughout December, 2.99" (76mm) of snow is accumulated. In Union Grove, Wisconsin, during the entire year, snow falls for 50 days and aggregates up to 18.66" (474mm) of snow.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 7:03 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:28 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Union Grove. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is December in Union Grove?
What is the average humidity in December in Union Grove?
How many days does it rain in December in Union Grove?
How much does it snow in Union Grove in December?
What is the month with the shortest days in Union Grove?
What is the average length of the day in December in Union Grove?
What time are sunrise and sunset in December in Union Grove?
How long on average sun shines in December in Union Grove?
What is the month with the lowest UV index in Union Grove?
What is the UV index reading in December in Union Grove?
Average temperature in December
Union Grove, WI
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23.7°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 (16°F).
Average pressure in December
Union Grove, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Union Grove, WI
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Union Grove, WI
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Union Grove, WI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Union Grove, WI
- Average rainfall days in December: 7.7 days
The months with the highest number of rainy days are May and July (19 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Union Grove, WI
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Union Grove, WI
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Union Grove, WI
- Average daylight in December: 9h and 1min
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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Union Grove, WI
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Union Grove, WI
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Union Grove, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Union Grove, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Union Grove, Wisconsin, USA
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