December weather forecast
Hilger, MT

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Weather in December

The first month of the winter, December, is also a subzero cold month in Hilger, Montana, with temperature in the range of an average high of 29.1°F (-1.6°C) and an average low of 16°F (-8.9°C).

Temperature

Hilger experiences lowest temperatures, averaging a high-temperature of 29.1°F (-1.6°C) during February and December.

Humidity

The average relative humidity in December in Hilger, Montana, is 77%.

Rainfall

December is the month with the least rainfall in Hilger. Rain falls for 6 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

Months with snowfall in Hilger, Montana, are January through June, September through December. In Hilger, in December, snow falls for 13.5 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:29 pm. On the last day of December, sunrise is at 8:04 am and sunset at 4:37 pm MST.

Sunshine

In December, the average sunshine is 5.6h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Hilger. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest time of year in Hilger?

During February and December, Hilger experiences its lowest temperatures, averaging a high-temperature of 29.1°F (-1.6°C).

How cold is it in Hilger in December?

In Hilger, 29.1°F (-1.6°C) is the average high-temperature and 16°F (-8.9°C) is the average low-temperature during December.

What is the average humidity in December in Hilger?

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

What is the driest month in Hilger?

The month with the least rainfall in Hilger, Montana, is December, when the rain falls for 6 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in Hilger in December?

In December, in Hilger, the rain falls for 6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

How many days does it snow in December in Hilger?

In Hilger, Montana, during December, snow falls for 13.5 days and regularly aggregates up to 4.88" (124mm) of snow.

What is the month with the shortest days in Hilger?

December has the shortest days of the year in Hilger, Montana, with an average of 8h and 36min of daylight.

How many hours of daylight does Hilger have in December?

In December, the average day length in Hilger is 8h and 33min.

When is the sunrise / sunset in December in Hilger?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 4:29 pm. On the last day of the month, in Hilger, Montana, sunrise is at 8:04 am and sunset at 4:37 pm MST.

How long on average sun shines in December in Hilger?

In December, the average sunshine duration in Hilger, Montana, is 5.6h.

When is the lowest UV index in Hilger?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Hilger?

The average daily maximum UV index in December in Hilger is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Hilger, MT

Average temperature in December - Hilger, MT
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in December: 16°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

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Average pressure in December
Hilger, MT

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Hilger, MT

Average wind speed in December - Hilger, MT
  • Average wind speed in December: 9.5mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in December
Hilger, MT

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in December
Hilger, MT

Average rainfall in December - Hilger, MT
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in December
Hilger, MT

Average rainfall days in December - Hilger, MT
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in December
Hilger, MT

Average snowfall in December - Hilger, MT
  • Average snowfall in December: 4.88"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Hilger, MT

Average snowfall days in December - Hilger, MT
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in December
Hilger, MT

Average sunshine days in December - Hilger, MT
  • Average sunshine days in December: 16 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

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Average UV index in December
Hilger, MT

Average UV index in December - Hilger, 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, April, October, November and December (UV index 2).

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Average cloud cover in December
Hilger, MT

Average cloud cover in December - Hilger, MT
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in December
Hilger, MT

Average visibility in December - Hilger, 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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Hilger, Montana, USA

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