December weather forecast
Red Rock Point, MT

Share

Weather in December

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

Temperature

Red Rock Point notes the coldest temperatures in December, with a high average of 25.7°F (-3.5°C) and a low of 13.8°F (-10.1°C).

Humidity

The average relative humidity in December is 91%.

Rainfall

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

Snowfall

Months with snowfall are January through May, September through December. In Red Rock Point, in December, during 19.1 snowfall days, 6.77" (172mm) of snow is typically accumulated. Throughout the year, 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 8h and 24min of daylight.
On the first day of December, sunrise is at 8:07 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:49 pm MST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Red Rock Point's temperature records reveal December as the coldest month, marked by average highs of 25.7°F (-3.5°C) and lows of 13.8°F (-10.1°C).

How cold is it in December?

During December, Red Rock Point experiences an average high-temperature of 25.7°F (-3.5°C) and a low-temperature of 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, it is raining for 8.9 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 19.1 days. Throughout December, 6.77" (172mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 8:07 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:49 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 4h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
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).

Average pressure in December
Red Rock Point, MT

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

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

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).

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%).

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").

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).

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").
The months with the least snowfall are June, July and August (0").

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).
The months with the least snowfall days are July and August (0 days).

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: 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: 4h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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).

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).
The months with the lowest UV index are January, February, November and December (UV index 1).

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).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in December
Red Rock Point, MT

Average visibility in December - Red Rock Point, 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).

Red Rock Point, Montana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location