December weather forecast
Martinsdale, MT

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Weather in December

The first month of the winter, December, is also a subzero cold month in Martinsdale, Montana, with an average temperature ranging between max 26.6°F (-3°C) and min 14.2°F (-9.9°C).

Temperature

With average high temperatures of 26.6°F (-3°C) and lows of 14.2°F (-9.9°C), December is the coldest month.

Humidity

In Martinsdale, the average relative humidity in December is 81%.

Rainfall

The month with the least rainfall in Martinsdale is December, when the rain falls for 3.7 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Martinsdale. In Martinsdale, in December, during 6.7 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Martinsdale, there are 56.9 snowfall days, and 25.55" (649mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 7:45 am and sunset at 4:36 pm. On the last day of December, in Martinsdale, Montana, sunrise is at 8:04 am and sunset at 4:44 pm MST.

Sunshine

In Martinsdale, Montana, the average sunshine in December is 6.4h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What part of the year is the coldest in Martinsdale?

December proves to be the coldest month in Martinsdale, recording an average maximum temperature of 26.6°F (-3°C) and a minimum temperature of 14.2°F (-9.9°C).

How cold is it in Martinsdale in December?

December temperatures in Martinsdale, Montana, vary between a high-temperature of 26.6°F (-3°C) and a low-temperature of 14.2°F (-9.9°C).

What is the average humidity in December in Martinsdale?

The average relative humidity in December is 81%.

What is the driest month in Martinsdale?

December is the month with the least rainfall in Martinsdale, Montana. Rain falls for 3.7 days and accumulates 0.24" (6mm) of precipitation.

How much does it rain in Martinsdale in December?

In December, the rain falls for 3.7 days. Throughout December, 0.24" (6mm) of precipitation is accumulated.

How much does it snow in Martinsdale in December?

In Martinsdale, in December, during 6.7 snowfall days, 1.81" (46mm) of snow is typically accumulated.

What is the month with the shortest days in Martinsdale?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Martinsdale, Montana.

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

In Martinsdale, Montana, the average day length in December is 8h and 40min.

What time are sunrise and sunset in December in Martinsdale?

On the first day of December, sunrise is at 7:45 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:44 pm MST.

How long on average sun shines in December in Martinsdale?

In Martinsdale, the average sunshine duration in December is 6.4h.

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

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

How high is the UV index in December in Martinsdale?

The average daily maximum UV index in December in Martinsdale is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Martinsdale, MT

Average temperature in December - Martinsdale, MT
  • Average high temperature in December: 26.6°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (14°F).

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Average pressure in December
Martinsdale, MT

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Martinsdale, MT

Average wind speed in December - Martinsdale, MT
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in December
Martinsdale, MT

Average humidity in December - Martinsdale, MT
  • Average humidity in December: 81%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in December
Martinsdale, MT

Average rainfall in December - Martinsdale, MT
  • Average rainfall in December: 0.24"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.24").

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Average rainfall days in December
Martinsdale, MT

Average rainfall days in December - Martinsdale, MT
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall in December
Martinsdale, MT

Average snowfall in December - Martinsdale, MT
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (5.59").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Martinsdale, MT

Average snowfall days in December - Martinsdale, MT
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is February (12.5 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
Martinsdale, MT

Average daylight in December / Average sunshine in December - Martinsdale, 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 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

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Average sunshine days in December
Martinsdale, MT

Average sunshine days in December - Martinsdale, MT
  • Average sunshine days in December: 23.4 days

The months with the most sunshine days are August and September (23.8 days).
The month with the least sunshine days is February (14.8 days).

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Average UV index in December
Martinsdale, MT

Average UV index in December - Martinsdale, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
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
Martinsdale, MT

Average cloud cover in December - Martinsdale, MT
  • Average cloud cover in December: 35

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in December
Martinsdale, MT

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

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

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Martinsdale, Montana, USA

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