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 arrival of December corresponds with a shift in temperature, down from a wintry 36.7°F (2.6°C) in November to a subzero cold 24.8°F (-4°C). In December, Harshaw experiences a temperature dip to an average of 15.4°F (-9.2°C) at night.Humidity
In December, the average relative humidity is 88%.Rainfall
In Harshaw, Wisconsin, in December, during 4.6 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Harshaw, there are 125.3 rainfall days, and 22.87" (581mm) 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 20.1 days and accumulates 8.58" (218mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:24 pm CST.
Sunshine
The average sunshine in December is 2.5h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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 many days does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days in Harshaw?
How many hours of daylight does Harshaw have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Harshaw?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Harshaw, WI
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in December
Harshaw, WI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Harshaw, WI
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Harshaw, WI
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Harshaw, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Harshaw, WI
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Harshaw, WI
- Average snowfall in December: 8.58"
The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harshaw, WI
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is January (21.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harshaw, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Harshaw, WI
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is October (14.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Harshaw, 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, November and December (UV index 1).
Average cloud cover in December
Harshaw, WI
- Average cloud cover in December: 76
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Harshaw, WI
- Average visibility in December: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January and February (4mi).
Harshaw, Wisconsin, USA
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