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
The changeover to December signals a significant decrease in the average high-temperature, dropping from an icy 41.5°F (5.3°C) in November to a freezing cold 27°F (-2.8°C). During the month of December, the nighttime temperature falls to an average of 15.8°F (-9°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Fountain City, in December, it is raining for 4.5 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 132.9 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Fountain City, it is snowing for 10.6 days. Throughout December, 3.62" (92mm) of snow is accumulated. In Fountain City, during the entire year, snow falls for 48.6 days and aggregates up to 19.13" (486mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:22 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly 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 much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Fountain City have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Fountain City, WI
- Average high temperature in December: 27°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 (20.8°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Fountain City, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Fountain City, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Fountain City, WI
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Fountain City, WI
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Fountain City, WI
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Fountain City, WI
- Average snowfall in December: 3.62"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fountain City, WI
- Average snowfall days in December: 10.6 days
The months with the highest number of snowfall days are January and February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fountain City, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Fountain City, WI
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
Fountain City, 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, November and December (UV index 1).
Average cloud cover in December
Fountain City, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Fountain City, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Fountain City, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location