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 December, the average high-temperature decreases from an icy 41.7°F (5.4°C) in November to a freezing cold 28.8°F (-1.8°C). The low-temperature in Lake Delton averages to a still subzero cold 18.5°F (-7.5°C) during the nights of December.Humidity
The average relative humidity in December in Lake Delton is 85%.Rainfall
In Lake Delton, in December, during 4.2 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Lake Delton, during the entire year, the rain falls for 94.1 days and collects up to 8.46" (215mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Lake Delton, during December, snow falls for 10.1 days and regularly aggregates up to 1.22" (31mm) of snow. In Lake Delton, during the entire year, snow falls for 43.9 days and aggregates up to 6.02" (153mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Lake Delton.On the first day of December, sunrise is at 7:13 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:32 pm CST.
Sunshine
The average sunshine in December is 3.7h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Lake Delton in December?
What is the average humidity in December in Lake Delton?
How many days does it rain in December in Lake Delton?
How much does it snow in Lake Delton in December?
What is the month with the shortest days in Lake Delton?
How many hours of daylight does Lake Delton have in December?
When is the sunrise / sunset in December in Lake Delton?
How many hours of sunshine does Lake Delton have in December?
What are the months with the lowest UV index in Lake Delton?
How high is the UV index in December in Lake Delton?
Average temperature in December
Lake Delton, WI
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Lake Delton, 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 (29.91"Hg).
Average wind speed in December
Lake Delton, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Lake Delton, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Lake Delton, WI
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Lake Delton, WI
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Lake Delton, WI
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lake Delton, WI
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Delton, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Lake Delton, WI
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).
Average UV index in December
Lake Delton, 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
Lake Delton, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lake Delton, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lake Delton, Wisconsin, USA
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