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 start of December signals a decrease in the average high-temperature, transitioning from an icy 41°F (5°C) in November to a freezing cold 27.3°F (-2.6°C). Tunnel City observes an average nighttime low-temperature of 16.7°F (-8.5°C) during the month of December.Humidity
The average relative humidity in December in Tunnel City is 87%.Rainfall
In Tunnel City, Wisconsin, during December, the rain falls for 3.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Tunnel City, during the entire year, the rain falls for 112.6 days and collects up to 18.11" (460mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Tunnel City, in December, during 12.2 snowfall days, 3.23" (82mm) of snow is typically accumulated. Throughout the year, there are 58.3 snowfall days, and 16.02" (407mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Tunnel City, Wisconsin.On the first day of December, sunrise is at 7:17 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:34 pm CST.
Sunshine
In December, the average sunshine in Tunnel City is 3.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 during December leads to these advisories:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Tunnel City?
What is the average humidity in December in Tunnel City?
How many days does it rain in December in Tunnel City?
How many days does it snow in December in Tunnel City?
What is the month with the shortest days in Tunnel City?
What is the average length of the day in December in Tunnel City?
When are sunrise and sunset in December in Tunnel City?
How many hours of sunshine does Tunnel City have in December?
What is the month with the lowest UV index in Tunnel City?
What is the UV index intensity in December in Tunnel City?
Average temperature in December
Tunnel City, WI
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in December
Tunnel City, 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
Tunnel City, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Tunnel City, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Tunnel City, WI
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Tunnel City, WI
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Tunnel City, WI
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tunnel City, WI
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tunnel City, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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: 2h and 48min).
Average sunshine days in December
Tunnel City, WI
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Tunnel City, WI
- Average UV index in December: 1
The month with the highest UV index is 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
Tunnel City, WI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Tunnel City, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Tunnel City, Wisconsin, USA
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