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's arrival coincides with a drop in the average high-temperature, decreasing from November's cold 41.7°F (5.4°C) to a freezing cold 28.8°F (-1.8°C). Throughout the month of December, Glen Oak sees a steady low-temperature average of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Glen Oak, Wisconsin, in December, during 6.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Glen Oak, during the entire year, the rain falls for 146.3 days and collects up to 29.45" (748mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Glen Oak, in December, during 13.4 snowfall days, 5.24" (133mm) of snow is typically accumulated. In Glen Oak, Wisconsin, during the entire year, snow falls for 61.9 days and aggregates up to 24.76" (629mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify 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 December?
What is the average humidity in December?
How many days does it rain in December in Glen Oak?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Glen Oak have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Glen Oak?
What is the month with the lowest UV index?
What is the UV index intensity in December in Glen Oak?
Average temperature in December
Glen Oak, WI
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in December
Glen Oak, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Glen Oak, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Glen Oak, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Glen Oak, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Glen Oak, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Glen Oak, WI
- Average snowfall in December: 5.24"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glen Oak, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glen Oak, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Glen Oak, WI
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Glen Oak, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Glen Oak, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Glen Oak, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Glen Oak, Wisconsin, USA
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