December weather forecastDallas, WI
December
Weather in December
December, the first month of the winter in Dallas, is still a freezing cold month, with an average temperature fluctuating between 23.5°F (-4.7°C) and 13.1°F (-10.5°C).Temperature
As Dallas transitions into December, a marked decrease in the average high-temperature is observed, dropping from a wintry 38.1°F (3.4°C) in November to a freezing cold 23.5°F (-4.7°C). The average nighttime temperature lowers to an extreme cold 13.1°F (-10.5°C) throughout December.Humidity
In Dallas, the average relative humidity in December is 90%.Rainfall
In Dallas, Wisconsin, during December, the rain falls for 4.9 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Dallas, during the entire year, the rain falls for 137.1 days and collects up to 24.72" (628mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Dallas, in December, during 17 snowfall days, 6.3" (160mm) of snow is typically accumulated. In Dallas, during the entire year, snow falls for 84.2 days and aggregates up to 30.63" (778mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:26 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:34 pm CST.
Sunshine
In Dallas, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January, February 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 the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dallas, WI
- Average high temperature in December: 23.5°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 (17.6°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in December
Dallas, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Dallas, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Dallas, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Dallas, WI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Dallas, WI
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Dallas, WI
- Average snowfall in December: 6.3"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dallas, WI
- Average snowfall days in December: 17 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dallas, WI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Dallas, WI
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
Dallas, 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, February and December (UV index 1).
Average cloud cover in December
Dallas, WI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Dallas, WI
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
