December weather forecastAthelstane, WI
December
Weather in December
December, the first month of the winter in Athelstane, is still a freezing cold month, with an average temperature varying between 18.5°F (-7.5°C) and 27.3°F (-2.6°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a cold 39.6°F (4.2°C) in November to a subzero cold 27.3°F (-2.6°C). Athelstane registers a steady nighttime temperature averaging a still freezing cold 18.5°F (-7.5°C) throughout December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Athelstane, during December, the rain falls for 5.3 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 122.9 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 11.8 days and accumulates 6.06" (154mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:19 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Athelstane, WI
- Average high temperature in December: 27.3°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 (21.6°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Athelstane, WI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Athelstane, WI
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Athelstane, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Athelstane, WI
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in December
Athelstane, WI
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Athelstane, WI
- Average snowfall in December: 6.06"
The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Athelstane, WI
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Athelstane, 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: 3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Athelstane, WI
- Average sunshine days in December: 16.9 days
The months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Athelstane, WI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in December
Athelstane, WI
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Athelstane, 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).
