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 Wauwatosa, the average high-temperature in December decreases from a chilly 43.7°F (6.5°C) in November to a wintry 32.2°F (0.1°C). Nighttime temperatures in Wauwatosa record an average of 23.9°F (-4.5°C) throughout December.Humidity
The average relative humidity in December in Wauwatosa is 81%.Rainfall
February and December are months with the least rain in Wauwatosa when the rain falls for 3.5 days and typically aggregates up to 0.28" (7mm) of rain.Snowfall
January through April, October through December are months with snowfall in Wauwatosa. In December, in Wauwatosa, it is snowing for 5.8 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Wauwatosa, during the entire year, snow falls for 27.6 days and aggregates up to 3.43" (87mm) of snow.Daylight
December has the shortest days of the year in Wauwatosa, 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 4:18 pm. On the last day of December, in Wauwatosa, sunrise is at 7:23 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine in Wauwatosa, Wisconsin, is 3.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Wauwatosa?
What is the average humidity in December in Wauwatosa?
What is the driest month in Wauwatosa?
How much does it rain in Wauwatosa in December?
How many days does it snow in December in Wauwatosa?
What is the month with the shortest days in Wauwatosa?
What is the average length of the day in December in Wauwatosa?
What time are sunrise and sunset in December in Wauwatosa?
How many hours of sunshine does Wauwatosa have in December?
What is the month with the lowest UV index in Wauwatosa?
What is the UV index intensity in December in Wauwatosa?
Average temperature in December
Wauwatosa, WI
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Wauwatosa, 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
Wauwatosa, WI
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Wauwatosa, 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
Wauwatosa, WI
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are February and December (0.28").
Average rainfall days in December
Wauwatosa, WI
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (9.9 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall in December
Wauwatosa, WI
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wauwatosa, WI
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wauwatosa, 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: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Wauwatosa, WI
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (17.3 days).
Average UV index in December
Wauwatosa, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Wauwatosa, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Wauwatosa, 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).
Wauwatosa, Wisconsin, USA
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