December weather forecast
Kevin, MT

December

Weather in December

The first month of the winter, December, is also a subzero cold month in Kevin, Montana, with an average temperature fluctuating between -2.4°C and -9.2°C.

Temperature

Kevin reaches its lowest average temperatures in December, measuring -2.4°C at the peak and -9.2°C at the lowest.

Humidity

In Kevin, the average relative humidity in December is 77%.

Rainfall

The months with the least rainfall are January and December Rain falls for 3.3 days and accumulates 10mm of rain.

Snowfall

January through May, September through December are months with snowfall. In Kevin, during December, snow falls for 9.5 days and regularly aggregates up to 58mm of snow. Throughout the year, there are 53.7 snowfall days, and 520mm of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 8:00 am and sunset at 4:33 pm. On the last day of December, in Kevin, sunrise is at 8:20 am and sunset at 4:41 pm MST.

Sunshine

The average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?
December tends to be the coldest month, with temperatures averaging a daily high of -2.4°C and a low of -9.2°C.
How cold is December?
The high-temperature during December is -2.4°C and the low-temperature is -9.2°C. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 27°C.
What is the average humidity in December?
The average relative humidity in December is 77%.
What is the driest month?
The months with the least rainfall are January and December Rain falls for 3.3 days and accumulates 10mm of rain.
How many days does it rain in December in Kevin?
In Kevin, in December, it is raining for 3.3 days, with typically 10mm of accumulated precipitation.
How much does it snow in December?
In Kevin, in December, snow falls for 9.5 days, with typically accumulated 58mm of snow.
What is the month with the shortest days in Kevin?
With an average of 8h and 18min of daylight, December has the shortest days of the year in Kevin.
How many hours of daylight does Kevin have in December?
The average day length in December is 8h and 21min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 8:00 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 4:41 pm MST.
How many hours of sunshine does Kevin have in December?
The average sunshine duration in December in Kevin is 5.5h.
What are the months with the lowest UV index?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December?
In Kevin, Montana, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Kevin, MT
Average temperature in December
Kevin, MT
  • Average high temperature in December: -2.4°C

The warmest month (with the highest average high temperature) is July (27.1°C).
The month with the lowest average high temperature is December (-2.4°C).

  • Average low temperature in December: -9.2°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is December (-9.2°C).

Average pressure in December - Kevin, MT
Average pressure in December
Kevin, MT
  • Average pressure in December: 1019.8mbar

The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is June (1011.2mbar).

Average wind speed in December - Kevin, MT
Average wind speed in December
Kevin, MT
  • Average wind speed in December: 16.1km/h

The windiest month (with the highest average wind speed) is April (17.7km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).

Average humidity in December - Kevin, MT
Average humidity in December
Kevin, MT
  • Average humidity in December: 77%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).

Average rainfall in December - Kevin, MT
Average rainfall in December
Kevin, MT
  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is June (51mm).
The driest months (with the least rainfall) are January and December (10mm).

Average rainfall days in December - Kevin, MT
Average rainfall days in December
Kevin, MT
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in December - Kevin, MT
Average snowfall in December
Kevin, MT
  • Average snowfall in December: 58mm

The month with the highest snowfall is February (106mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in December - Kevin, MT
Average snowfall days in December
Kevin, MT
  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December / Average sunshine in December - Kevin, MT
Average daylight in December /
Average sunshine in December
Kevin, MT
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December - Kevin, MT
Average sunshine days in December
Kevin, MT
  • Average sunshine days in December: 20.8 days

The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).

Average UV index in December - Kevin, MT
Average UV index in December
Kevin, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December - Kevin, MT
Average cloud cover in December
Kevin, MT
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in December - Kevin, MT
Average visibility in December
Kevin, MT
  • Average visibility in December: 9km

The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).

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