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 corresponds with a decrease in average high-temperatures, from November's chilly 43.7°F (6.5°C) to a cold 32.9°F (0.5°C). Consistently, Glendale reports average nighttime temperatures of 25°F (-3.9°C) during December, a marginal step down from its daytime highs.Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.71" (18mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Glendale. In December, it is snowing for 7.7 days. Throughout December, 1.3" (33mm) of snow is accumulated. In Glendale, Wisconsin, during the entire year, snow falls for 42.5 days and aggregates up to 8.23" (209mm) of snow.Daylight
December has the shortest days of the year in Glendale, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:17 pm. On the last day of December, in Glendale, sunrise is at 7:23 am and sunset at 4:26 pm CST.
Sunshine
In Glendale, the average sunshine in December is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Glendale?
What is the average humidity in December in Glendale?
What is the driest month in Glendale?
How much does it rain in Glendale in December?
How much does it snow in Glendale in December?
What is the month with the shortest days in Glendale?
How many hours of daylight does Glendale have in December?
What time are sunrise and sunset in December in Glendale?
How many hours of sunshine does Glendale have in December?
What is the month with the lowest UV index in Glendale?
How high is the UV index in December in Glendale?
Average temperature in December
Glendale, WI
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Glendale, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Glendale, WI
- Average wind speed in December: 11.8mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Glendale, WI
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Glendale, WI
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in December
Glendale, WI
- Average rainfall days in December: 5.5 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Glendale, WI
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glendale, WI
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glendale, 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 months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Glendale, WI
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Glendale, 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 and December (UV index 1).
Average cloud cover in December
Glendale, 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 July (Cloud cover 26).
Average visibility in December
Glendale, 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).
Glendale, Wisconsin, USA
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