December weather forecast and climate
Red Rock Point, MT

Weather in December

The first month of the winter, December, is also a subzero cold month in Red Rock Point, Montana, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 13.8°F (-10.1°C).

Temperature

The coldest month is December, with an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 13.8°F (-10.1°C).

Humidity

In December, the average relative humidity in Red Rock Point is 91%.

Rainfall

In Red Rock Point, Montana, during 8.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Red Rock Point, Montana, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Red Rock Point, snow falls for 19.1 days, with typically accumulated 6.77" (172mm) of snow. Throughout the year, in Red Rock Point, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8.4h of daylight.

Sunshine

In Red Rock Point, the average sunshine is 4h.

UV index

Months with the lowest UV index in Red Rock Point 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 health risk from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Red Rock Point?

With an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 13.8°F (-10.1°C), December is the coldest month in Red Rock Point.

What is the temperature in December in Red Rock Point?

In December, in Red Rock Point, the average high-temperature is 25.7°F (-3.5°C), and the average low-temperature is 13.8°F (-10.1°C).

What is the average humidity in December in Red Rock Point?

The average relative humidity in December is 91%.

How many days does it rain in December in Red Rock Point?

In December, in Red Rock Point, the rain falls for 8.9 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in Red Rock Point in December?

In Red Rock Point, during December, snow falls for 19.1 days and regularly aggregates up to 6.77" (172mm) of snow.

What is the month with the shortest days in Red Rock Point?

With an average of 8.4h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Red Rock Point?

The average length of the day in December in Red Rock Point, Montana, is 8.4h.

How many hours of sunshine does Red Rock Point have in December?

In December, the average sunshine is 4h.

What is the month with the lowest UV index in Red Rock Point?

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

How high is the UV index in December in Red Rock Point?

The average daily maximum UV index in December in Red Rock Point is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Red Rock Point, MT

Average temperature in December - Red Rock Point, MT
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in December: 13.8°F

The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

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Average pressure in December
Red Rock Point, MT

Average pressure in December - Red Rock Point, MT
  • Average pressure in December: 30.15"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in December
Red Rock Point, MT

Average wind speed in December - Red Rock Point, MT
  • Average wind speed in December: 3.7mph

The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).

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Average humidity in December
Red Rock Point, MT

Average humidity in December - Red Rock Point, MT
  • Average humidity in December: 91%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in December
Red Rock Point, MT

Average rainfall in December - Red Rock Point, MT
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").

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Average rainfall days in December
Red Rock Point, MT

Average rainfall days in December - Red Rock Point, MT
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).

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Average snowfall in December
Red Rock Point, MT

Average snowfall in December - Red Rock Point, MT
  • Average snowfall in December: 6.77"

The month with the highest snowfall is January (7.72").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Red Rock Point, MT

Average snowfall days in December - Red Rock Point, MT
  • Average snowfall days in December: 19.1 days

The month with the highest number of snowfall days is December (19.1 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in December /
Average sunshine in December
Red Rock Point, MT

Average daylight in December / Average sunshine in December - Red Rock Point, MT
  • Average daylight in December: 8.4h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in December: 4h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in December
Red Rock Point, MT

Average sunshine days in December - Red Rock Point, MT
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).

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Average UV index in December
Red Rock Point, MT

Average UV index in December - Red Rock Point, MT
  • Average UV index in December: 1

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

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Average cloud cover in December
Red Rock Point, MT

Average cloud cover in December - Red Rock Point, MT
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 65).
Months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in December
Red Rock Point, MT

Average visibility in December - Red Rock Point, MT
  • Average visibility in December: 4mi

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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