December weather forecastFennimore, WI
December
Weather in December
December, the first month of the winter in Fennimore, is also a subzero cold month, with an average temperature varying between 19.4°F (-7°C) and 29.8°F (-1.2°C).Temperature
In the transition to December, Fennimore observes a drop in the average high-temperature, moving from a cold 42.6°F (5.9°C) in November to a freezing cold 29.8°F (-1.2°C). Fennimore observes an average low-temperature of 19.4°F (-7°C) during December.Humidity
In Fennimore, the average relative humidity in December is 84%.Rainfall
In Fennimore, during December, the rain falls for 6.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Fennimore, during the entire year, the rain falls for 145.9 days and collects up to 31.97" (812mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Fennimore, in December, snow falls for 11.9 days, with typically accumulated 4.49" (114mm) of snow. Throughout the year, in Fennimore, there are 61.6 snowfall days, and 24.84" (631mm) of snow is accumulated.Daylight
December has the shortest days of the year in Fennimore, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:29 pm. On the last day of December, in Fennimore, sunrise is at 7:33 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The months with the lowest UV index in Fennimore are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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
Average temperature in December
Fennimore, WI
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Fennimore, 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 (29.9"Hg).
Average wind speed in December
Fennimore, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Fennimore, WI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Fennimore, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Fennimore, WI
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Fennimore, WI
- Average snowfall in December: 4.49"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fennimore, WI
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fennimore, WI
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Fennimore, WI
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Fennimore, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Fennimore, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Fennimore, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
