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
In Hewitt, the average high-temperature in December drops from a cold 39°F (3.9°C) in November to a subzero cold 25°F (-3.9°C). In Hewitt, an average low-temperature of 15.3°F (-9.3°C) is recorded during December nights.Humidity
In Hewitt, the average relative humidity in December is 89%.Rainfall
In Hewitt, during December, the rain falls for 6.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Hewitt, there are 138.3 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hewitt. In Hewitt, in December, snow falls for 15.6 days, with typically accumulated 6.69" (170mm) of snow. In Hewitt, during the entire year, snow falls for 79.6 days and aggregates up to 31.1" (790mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Hewitt.On the first day of December in Hewitt, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Hewitt, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hewitt in December?
What is the average humidity in December in Hewitt?
How much does it rain in Hewitt in December?
How much does it snow in Hewitt in December?
What is the month with the shortest days in Hewitt?
What is the average length of the day in December in Hewitt?
What time are sunrise and sunset in December in Hewitt?
How many hours of sunshine does Hewitt have in December?
What is the month with the lowest UV index in Hewitt?
What is the UV index reading in December in Hewitt?
Average temperature in December
Hewitt, WI
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 15.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Hewitt, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Hewitt, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Hewitt, WI
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hewitt, WI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Hewitt, WI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Hewitt, WI
- Average snowfall in December: 6.69"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hewitt, WI
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hewitt, 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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Hewitt, WI
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Hewitt, 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, November and December (UV index 1).
Average cloud cover in December
Hewitt, WI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Hewitt, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Hewitt, Wisconsin, USA
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