December weather forecast
Wibaux, MT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Wibaux, Montana, with an average temperature ranging between max 26.4°F (-3.1°C) and min 14.2°F (-9.9°C).

Temperature

The shift into December is marked by a considerable temperature decrease, with the average high-temperature dropping from an icy 40.8°F (4.9°C) in November to a freezing cold 26.4°F (-3.1°C). Nighttime temperatures in December average to 14.2°F (-9.9°C) in Wibaux, Montana.

Humidity

In December, the average relative humidity in Wibaux, Montana, is 82%.

Rainfall

In Wibaux, during December, the rain falls for 3.2 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 89.5 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Wibaux. In Wibaux, Montana, in December, snow falls for 9.7 days, with typically accumulated 2.13" (54mm) of snow. In Wibaux, during the entire year, snow falls for 45.2 days and aggregates up to 10.55" (268mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:17 pm MST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

How cold is December in Wibaux?

The high-temperature, in December, in Wibaux, is 26.4°F (-3.1°C), while the low-temperature averages to 14.2°F (-9.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in December in Wibaux?

In December, the average relative humidity in Wibaux, Montana, is 82%.

How many days does it rain in December in Wibaux?

In Wibaux, in December, during 3.2 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How many days does it snow in December in Wibaux?

In Wibaux, in December, snow falls for 9.7 days, with typically accumulated 2.13" (54mm) of snow.

What is the month with the shortest days in Wibaux?

The month with the shortest days in Wibaux is December, with an average of 8h and 36min of daylight.

What is the average length of the day in December in Wibaux?

The average day length in December in Wibaux is 8h and 35min.

When are sunrise and sunset in December in Wibaux?

On the first day of December in Wibaux, sunrise is at 7:22 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:17 pm MST.

What are the months with the least sunshine in Wibaux?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Wibaux, Montana.

How long on average sun shines in December in Wibaux?

In Wibaux, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index in Wibaux?

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

How high is the UV index in December in Wibaux?

In Wibaux, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Wibaux, MT

Average temperature in December - Wibaux, MT
  • Average high temperature in December: 26.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in December
Wibaux, MT

Average pressure in December - Wibaux, MT
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Wibaux, MT

Average wind speed in December - Wibaux, MT
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in December
Wibaux, MT

Average humidity in December - Wibaux, MT
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in December
Wibaux, MT

Average rainfall in December - Wibaux, MT
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, March and November (0.35").

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Average rainfall days in December
Wibaux, MT

Average rainfall days in December - Wibaux, MT
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in December
Wibaux, MT

Average snowfall in December - Wibaux, MT
  • Average snowfall in December: 2.13"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Wibaux, MT

Average snowfall days in December - Wibaux, MT
  • Average snowfall days in December: 9.7 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Wibaux, MT

Average daylight in December / Average sunshine in December - Wibaux, MT
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Wibaux, MT

Average sunshine days in December - Wibaux, MT
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (14.9 days).

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Average UV index in December
Wibaux, MT

Average UV index in December - Wibaux, MT
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in December
Wibaux, MT

Average cloud cover in December - Wibaux, 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 17).

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Average visibility in December
Wibaux, MT

Average visibility in December - Wibaux, MT
  • Average visibility in December: 6mi

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

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Wibaux, Montana, USA

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