December weather forecast
Montfort, WI

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Weather in December

December, the first month of the winter in Montfort, is also a subzero cold month, with an average temperature varying between 19.4°F (-7°C) and 29.8°F (-1.2°C).

Temperature

December weather is marked by a drop in the average high-temperature, falling from a wintry 42.6°F (5.9°C) in November to a subzero cold 29.8°F (-1.2°C). Nighttime temperature in Montfort lowers to an average of 19.4°F (-7°C) in December.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, the rain falls for 6.6 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, 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 December, it is snowing for 11.9 days. Throughout December, 4.49" (114mm) of snow is accumulated. Throughout the year, there are 61.6 snowfall days, and 24.84" (631mm) of snow is accumulated.

Daylight

The month with the shortest days 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 4:28 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:37 pm CST.

Sunshine

The average sunshine in December in Montfort is 3.8h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 29.8°F (-1.2°C) and a low-temperature of 19.4°F (-7°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In December, the rain falls for 6.6 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

How much does it snow in December?

In Montfort, during December, snow falls for 11.9 days and regularly aggregates up to 4.49" (114mm) of snow.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Montfort have in December?

The average day length in December in Montfort is 9h and 4min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:37 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 3.8h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Montfort, WI

Average temperature in December - Montfort, 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
Montfort, WI

Average pressure in December - Montfort, 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
Montfort, WI

Average wind speed in December - Montfort, 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
Montfort, WI

Average humidity in December - Montfort, 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
Montfort, WI

Average rainfall in December - Montfort, 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
Montfort, WI

Average rainfall days in December - Montfort, 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
Montfort, WI

Average snowfall in December - Montfort, 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
Montfort, WI

Average snowfall days in December - Montfort, 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
Montfort, WI

Average daylight in December / Average sunshine in December - Montfort, 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
Montfort, WI

Average sunshine days in December - Montfort, 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
Montfort, WI

Average UV index in December - Montfort, 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
Montfort, WI

Average cloud cover in December - Montfort, 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
Montfort, WI

Average visibility in December - Montfort, 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).

Montfort, Wisconsin, USA

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