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 commencement of December involves a temperature shift, with the average high-temperature dropping from an icy 40.6°F (4.8°C) in November to a freezing cold 26.4°F (-3.1°C). During December, the temperature tends to dip to an average of 15.4°F (-9.2°C) at night.Humidity
The average relative humidity in December is 88%.Rainfall
In Millston, during December, the rain falls for 4 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 120.8 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Millston, in December, during 13.4 snowfall days, 2.83" (72mm) of snow is typically accumulated. Throughout the year, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:34 pm CST.
Sunshine
The average sunshine in December is 3.2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Millston. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. 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. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Millston have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Millston have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Millston, WI
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Millston, 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
Millston, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Millston, WI
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Millston, WI
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Millston, WI
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Millston, WI
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millston, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millston, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Millston, WI
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Millston, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Millston, WI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Millston, 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).
Millston, Wisconsin, USA
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