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
December comes with a decrease in the average high-temperature, falling from an icy 36.7°F (2.6°C) in November to a freezing cold 24.3°F (-4.3°C). Heafford Junction anticipates an average minimum temperature of 14.9°F (-9.5°C) in the month of December.Humidity
The average relative humidity in December in Heafford Junction is 89%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 132.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Heafford Junction, during December, snow falls for 20.3 days and regularly aggregates up to 6.89" (175mm) of snow. Throughout the year, there are 104.4 snowfall days, and 41.26" (1048mm) of snow is accumulated.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 7:19 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:25 pm CST.
Sunshine
In Heafford Junction, the average sunshine in December is 2.6h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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 much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Heafford Junction, WI
- Average high temperature in December: 24.3°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Heafford Junction, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Heafford Junction, WI
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Heafford Junction, WI
- Average humidity in December: 89%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Heafford Junction, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Heafford Junction, WI
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Heafford Junction, WI
- Average snowfall in December: 6.89"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Heafford Junction, WI
- Average snowfall days in December: 20.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heafford Junction, WI
- Average daylight in December: 8h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Heafford Junction, WI
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Heafford Junction, WI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Heafford Junction, WI
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Heafford Junction, WI
- Average visibility in December: 5mi
The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).
Heafford Junction, Wisconsin, USA
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