December weather forecast
Jordan Crossing, MT

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Weather in December

The first month of the winter, December, is also a subzero cold month in Jordan Crossing, Montana, with an average temperature ranging between max 24.8°F (-4°C) and min 12.7°F (-10.7°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a wintry 38.8°F (3.8°C) in November to a subzero cold 24.8°F (-4°C). An average nighttime temperature of 12.7°F (-10.7°C) is witnessed in Jordan Crossing, Montana throughout December.

Humidity

In Jordan Crossing, the average relative humidity in December is 83%.

Rainfall

In Jordan Crossing, Montana, in December, during 4.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Jordan Crossing, during the entire year, the rain falls for 91.8 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Jordan Crossing is December, when snow falls for 11.8 days and typically aggregates up to 3.43" (87mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:16 pm. On the last day of December, in Jordan Crossing, sunrise is at 8:00 am and sunset at 4:24 pm MST.

Sunshine

The average sunshine in December is 4.8h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Jordan Crossing. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is it in Jordan Crossing in December?

In Jordan Crossing, in December, the average high-temperature is 24.8°F (-4°C), and the average low-temperature is 12.7°F (-10.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 82.4°F (28°C).

What is the average humidity in December in Jordan Crossing?

In December, the average relative humidity in Jordan Crossing, Montana, is 83%.

How many days does it rain in December in Jordan Crossing?

In Jordan Crossing, Montana, in December, it is raining for 4.2 days, with typically 0.51" (13mm) of accumulated precipitation.

When does it snow the most in Jordan Crossing?

December is the month with the most snowfall in Jordan Crossing, Montana. Snow falls for 11.8 days and accumulates 3.43" (87mm) of snow.

How many days does it snow in December in Jordan Crossing?

In Jordan Crossing, Montana, in December, during 11.8 snowfall days, 3.43" (87mm) of snow is typically accumulated.

What is the month with the shortest days in Jordan Crossing?

With an average of 8h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Jordan Crossing have in December?

In December, the average day length in Jordan Crossing, Montana, is 8h and 23min.

When is the sunrise / sunset in December in Jordan Crossing?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 4:16 pm. On the last day of the month, in Jordan Crossing, Montana, sunrise is at 8:00 am and sunset at 4:24 pm MST.

How long on average sun shines in December in Jordan Crossing?

In Jordan Crossing, Montana, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index in Jordan Crossing?

The months with the lowest UV index in Jordan Crossing are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Jordan Crossing?

The average daily maximum UV index in December in Jordan Crossing, Montana, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Jordan Crossing, MT

Average temperature in December - Jordan Crossing, MT
  • Average high temperature in December: 24.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).

  • Average low temperature in December: 12.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).

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Average pressure in December
Jordan Crossing, MT

Average pressure in December - Jordan Crossing, MT
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Jordan Crossing, MT

Average wind speed in December - Jordan Crossing, MT
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).

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Average humidity in December
Jordan Crossing, MT

Average humidity in December - Jordan Crossing, MT
  • Average humidity in December: 83%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in December
Jordan Crossing, MT

Average rainfall in December - Jordan Crossing, MT
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in December
Jordan Crossing, MT

Average rainfall days in December - Jordan Crossing, MT
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in December
Jordan Crossing, MT

Average snowfall in December - Jordan Crossing, MT
  • Average snowfall in December: 3.43"

The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Jordan Crossing, MT

Average snowfall days in December - Jordan Crossing, MT
  • Average snowfall days in December: 11.8 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Jordan Crossing, MT

Average daylight in December / Average sunshine in December - Jordan Crossing, 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 24min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Jordan Crossing, MT

Average sunshine days in December - Jordan Crossing, MT
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).

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Average UV index in December
Jordan Crossing, MT

Average UV index in December - Jordan Crossing, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Jordan Crossing, MT

Average cloud cover in December - Jordan Crossing, MT
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in December
Jordan Crossing, MT

Average visibility in December - Jordan Crossing, MT
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Jordan Crossing, Montana, USA

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