December weather forecast
Ethridge, MT

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Weather in December

December, the first month of the winter in Ethridge, is still a freezing cold month, with an average temperature ranging between min 15.3°F (-9.3°C) and max 27.1°F (-2.7°C).

Temperature

Ethridge's December weather, with an average high temperature of 27.1°F (-2.7°C) and an average low temperature of 15.3°F (-9.3°C), tends to be the coldest of the year.

Humidity

The average relative humidity in December in Ethridge is 77%.

Rainfall

In Ethridge, in December, during 3.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Ethridge, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Ethridge, Montana, during December, snow falls for 10.2 days and regularly aggregates up to 2.72" (69mm) of snow. In Ethridge, during the entire year, snow falls for 54.3 days and aggregates up to 19.49" (495mm) of snow.

Daylight

December has the shortest days of the year in Ethridge, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 8:00 am and sunset at 4:35 pm. On the last day of December, sunrise is at 8:20 am and sunset at 4:43 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are the coldest months in Ethridge?

The coldest period tends to be December, when average temperatures fluctuate between a high of 27.1°F (-2.7°C) and a low of 15.3°F (-9.3°C).

How cold is December in Ethridge?

The high-temperature, in December, in Ethridge, is 27.1°F (-2.7°C), while the low-temperature averages to 15.3°F (-9.3°C).

What is the average humidity in December in Ethridge?

The average relative humidity in December in Ethridge is 77%.

How many days does it rain in December in Ethridge?

In Ethridge, in December, it is raining for 3.5 days, with typically 0.43" (11mm) of accumulated precipitation.

How much does it snow in Ethridge in December?

In Ethridge, Montana, in December, during 10.2 snowfall days, 2.72" (69mm) of snow is typically accumulated.

What is the month with the shortest days in Ethridge?

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

How many hours of daylight does Ethridge have in December?

The average day length in December in Ethridge, Montana, is 8h and 22min.

When is the sunrise / sunset in December in Ethridge?

In December, on the first day of the month, sunrise is at 8:00 am and sunset at 4:35 pm. On the last day of the month, in Ethridge, sunrise is at 8:20 am and sunset at 4:43 pm MST.

What is the month with the least sunshine in Ethridge?

The months with the least sunshine in Ethridge, Montana, are January and December, with an average of 5.6h of sunshine.

How many hours of sunshine does Ethridge have in December?

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

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

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

What is the UV index intensity in December in Ethridge?

In December, the average daily maximum UV index in Ethridge is 2. A UV Index of 2, and less, symbolizes 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
Ethridge, MT

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

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in December: 15.3°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).

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Average pressure in December
Ethridge, MT

Average pressure in December - Ethridge, 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 (29.87"Hg).

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Average wind speed in December
Ethridge, MT

Average wind speed in December - Ethridge, MT
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

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Average humidity in December
Ethridge, MT

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

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in December
Ethridge, MT

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

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in December
Ethridge, MT

Average rainfall days in December - Ethridge, MT
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

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Average snowfall in December
Ethridge, MT

Average snowfall in December - Ethridge, MT
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Ethridge, MT

Average snowfall days in December - Ethridge, MT
  • Average snowfall days in December: 10.2 days

The month with the highest number of snowfall days is December (10.2 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
Ethridge, MT

Average daylight in December / Average sunshine in December - Ethridge, 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: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Ethridge, MT

Average sunshine days in December - Ethridge, MT
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

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Average UV index in December
Ethridge, MT

Average UV index in December - Ethridge, 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).

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Average cloud cover in December
Ethridge, MT

Average cloud cover in December - Ethridge, MT
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in December
Ethridge, MT

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

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