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
A shift in the average high-temperature occurs in December, reducing from a cold 42.6°F (5.9°C) in November to a subzero cold 29.8°F (-1.2°C). Highland witnesses a consistent average low-temperature of 19.4°F (-7°C) throughout December.Humidity
In Highland, the average relative humidity in December is 84%.Rainfall
In Highland, in December, it is raining for 6.6 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Highland, there are 145.9 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Highland, in December, snow falls for 11.9 days, with typically accumulated 4.49" (114mm) of snow. In Highland, during the entire year, snow falls for 61.6 days and aggregates up to 24.84" (631mm) of snow.Daylight
The month with the shortest days in Highland, Wisconsin, is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:36 pm CST.
Sunshine
In December, the average sunshine in Highland, Wisconsin, is 3.8h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December leads to these advisories:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Highland, 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
Highland, 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
Highland, 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
Highland, 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
Highland, 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
Highland, 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
Highland, 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
Highland, 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
Highland, WI
- Average daylight in December: 9h and 1min
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 5min
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
Highland, 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
Highland, 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
Highland, 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
Highland, 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).
Highland, Wisconsin, USA
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