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
Princeton's December weather comes with a decrease in average high-temperatures, moving from a wintry 41.7°F (5.4°C) in November to a subzero cold 28.8°F (-1.8°C). Princeton observes an average nighttime temperature of 18.7°F (-7.4°C) during December.Humidity
In Princeton, Wisconsin, the average relative humidity in December is 85%.Rainfall
In Princeton, in December, during 5.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Princeton, during the entire year, the rain falls for 129.3 days and collects up to 25.51" (648mm) of precipitation.Snowfall
Months with snowfall in Princeton are January through May, October through December. In Princeton, during December, snow falls for 10.6 days and regularly aggregates up to 4.13" (105mm) of snow. Throughout the year, in Princeton, there are 49.7 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Princeton, sunrise is at 7:11 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Princeton. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Princeton in December?
What is the average humidity in December in Princeton?
How much does it rain in Princeton in December?
How many days does it snow in December in Princeton?
What is the month with the shortest days in Princeton?
What is the average length of the day in December in Princeton?
What time are sunrise and sunset in December in Princeton?
How many hours of sunshine does Princeton have in December?
When is the lowest UV index in Princeton?
What is the UV index reading in December in Princeton?
Average temperature in December
Princeton, WI
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in December: 18.7°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 (10.4°F).
Average pressure in December
Princeton, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Princeton, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Princeton, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Princeton, WI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Princeton, WI
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Princeton, WI
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Princeton, WI
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Princeton, 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: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Princeton, WI
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is December (17.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Princeton, 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, February, November and December (UV index 1).
Average cloud cover in December
Princeton, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Princeton, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Princeton, Wisconsin, USA
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