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 Montello, the beginning of December is marked by a lowered average high-temperature, shifting from November's cold 41.7°F (5.4°C) to a freezing cold 28.8°F (-1.8°C). The average temperature in Montello during December nights dips to 18.5°F (-7.5°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Montello, Wisconsin, in December, during 6.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Montello, there are 146.3 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Montello, during December, snow falls for 13.4 days and regularly aggregates up to 5.24" (133mm) of snow. In Montello, Wisconsin, during the entire year, snow falls for 61.9 days and aggregates up to 24.76" (629mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Montello.On the first day of December, sunrise is at 7:12 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:30 pm CST.
Sunshine
In Montello, the average sunshine in December is 3.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Montello. 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: During December, 1 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Montello in December?
What is the average humidity in December in Montello?
How many days does it rain in December in Montello?
How much does it snow in Montello in December?
What is the month with the shortest days in Montello?
What is the average length of the day in December in Montello?
What time are sunrise and sunset in December in Montello?
How many hours of sunshine does Montello have in December?
What is the month with the lowest UV index in Montello?
How high is the UV index in December in Montello?
Average temperature in December
Montello, WI
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 18.5°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
Montello, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Montello, 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 (6.7mph).
Average humidity in December
Montello, 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 (75%).
Average rainfall in December
Montello, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Montello, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Montello, WI
- Average snowfall in December: 5.24"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Montello, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Montello, 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 5min
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 18min).
Average sunshine days in December
Montello, WI
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Montello, 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, November and December (UV index 1).
Average cloud cover in December
Montello, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Montello, 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).
Montello, Wisconsin, USA
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