December weather forecast
Lonepine, MT

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Weather in December

December, the first month of the winter in Lonepine, is still a freezing cold month, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 27.1°F (-2.7°C).

Temperature

December stands out as Lonepine's coldest month, with an average high-temperature of 27.1°F (-2.7°C) and a low-temperature of 16.2°F (-8.8°C).

Humidity

In Lonepine, the average relative humidity in December is 90%.

Rainfall

In December, in Lonepine, the rain falls for 6.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Lonepine, Montana, there are 129.8 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. December is the month with the most snowfall in Lonepine. Snow falls for 21.7 days and accumulates 12.36" (314mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Lonepine, sunrise is at 8:07 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:56 pm MST.

Sunshine

In Lonepine, the average sunshine in December is 3.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the coldest month in Lonepine?

Temperature records mark December as the coldest month, with highs averaging 27.1°F (-2.7°C) and lows at 16.2°F (-8.8°C).

How cold is it in Lonepine in December?

In Lonepine, 27.1°F (-2.7°C) is the average high-temperature and 16.2°F (-8.8°C) is the average low-temperature during December.

What is the average humidity in December in Lonepine?

In December, the average relative humidity in Lonepine, Montana, is 90%.

How many days does it rain in December in Lonepine?

In December, in Lonepine, Montana, the rain falls for 6.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

When does it snow the most in Lonepine?

The month with the most snowfall is December, when snow falls for 21.7 days and typically aggregates up to 12.36" (314mm) of snow.

How many days does it snow in December in Lonepine?

In Lonepine, Montana, in December, snow falls for 21.7 days, with typically accumulated 12.36" (314mm) of snow.

What is the month with the shortest days in Lonepine?

The month with the shortest days in Lonepine is December, with an average of 8h and 30min of daylight.

How many hours of daylight does Lonepine have in December?

In December, the average day length in Lonepine is 8h and 29min.

When is the sunrise / sunset in December in Lonepine?

In December, on the first day of the month, sunrise is at 8:07 am and sunset at 4:48 pm. On the last day of the month, in Lonepine, Montana, sunrise is at 8:27 am and sunset at 4:56 pm MST.

How long on average sun shines in December in Lonepine?

The average sunshine duration in December in Lonepine is 3.8h.

What are the months with the lowest UV index in Lonepine?

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

What is the UV index intensity in December in Lonepine?

In Lonepine, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Lonepine, MT

Average temperature in December - Lonepine, MT
  • Average high temperature in December: 27.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).

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Average pressure in December
Lonepine, MT

Average pressure in December - Lonepine, MT
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Lonepine, MT

Average wind speed in December - Lonepine, MT
  • Average wind speed in December: 3.6mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).

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Average humidity in December
Lonepine, MT

Average humidity in December - Lonepine, MT
  • Average humidity in December: 90%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).

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Average rainfall in December
Lonepine, MT

Average rainfall in December - Lonepine, MT
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").

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Average rainfall days in December
Lonepine, MT

Average rainfall days in December - Lonepine, MT
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).

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Average snowfall in December
Lonepine, MT

Average snowfall in December - Lonepine, MT
  • Average snowfall in December: 12.36"

The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Lonepine, MT

Average snowfall days in December - Lonepine, MT
  • Average snowfall days in December: 21.7 days

The month with the highest number of snowfall days is January (22.3 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
Lonepine, MT

Average daylight in December / Average sunshine in December - Lonepine, MT
  • Average daylight in December: 8h and 3min

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 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in December
Lonepine, MT

Average sunshine days in December - Lonepine, MT
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).

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Average UV index in December
Lonepine, MT

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in December
Lonepine, MT

Average cloud cover in December - Lonepine, MT
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in December
Lonepine, MT

Average visibility in December - Lonepine, MT
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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Lonepine, Montana, USA

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