December weather forecast
Peerless, MT

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Weather in December

The first month of the winter, December, is also a subzero cold month in Peerless, Montana, with an average temperature varying between 24.6°F (-4.1°C) and 12.4°F (-10.9°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from an icy 38.7°F (3.7°C) in November to a freezing cold 24.6°F (-4.1°C). Peerless's nights in December experience an average temperature drop to an extreme cold 12.4°F (-10.9°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, the rain falls for 4.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Peerless, there are 95.7 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Peerless, it is snowing for 13.6 days. Throughout December, 3.58" (91mm) of snow is accumulated. Throughout the year, in Peerless, there are 63.4 snowfall days, and 17.99" (457mm) of snow is accumulated.

Daylight

The month with the shortest days in Peerless is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 7:36 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:56 am and sunset at 4:17 pm MST.

Sunshine

The average sunshine in December is 4.8h.

UV index

December is the month with the lowest UV index in Peerless, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
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 intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Peerless?

The high-temperature, in December, in Peerless, is 24.6°F (-4.1°C), while the low-temperature averages to 12.4°F (-10.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 82.4°F (28°C).

What is the average humidity in December in Peerless?

The average relative humidity in December is 84%.

How much does it rain in Peerless in December?

In Peerless, in December, during 4.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in December in Peerless?

In Peerless, in December, snow falls for 13.6 days, with typically accumulated 3.58" (91mm) of snow.

What is the month with the shortest days in Peerless?

The month with the shortest days in Peerless is December, with an average of 8h and 18min of daylight.

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

In December, the average day length is 8h and 20min.

When is the sunrise / sunset in December in Peerless?

In December, on the first day of the month, sunrise is at 7:36 am and sunset at 4:09 pm. On the last day of the month, in Peerless, Montana, sunrise is at 7:56 am and sunset at 4:17 pm MST.

How many hours of sunshine does Peerless have in December?

In December, the average sunshine duration in Peerless, Montana, is 4.8h.

When is the lowest UV index in Peerless?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December in Peerless?

The average daily maximum UV index in December 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
Peerless, MT

Average temperature in December - Peerless, MT
  • Average high temperature in December: 24.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is February (23°F).

  • Average low temperature in December: 12.4°F

The month with the highest average low temperature is July (63.7°F).
The coldest months (with the lowest average low temperature) are January and February (10.2°F).

Average pressure in December
Peerless, MT

Average pressure in December - Peerless, MT
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Peerless, MT

Average wind speed in December - Peerless, MT
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average humidity in December
Peerless, MT

Average humidity in December - Peerless, MT
  • Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).

Average rainfall in December
Peerless, MT

Average rainfall in December - Peerless, MT
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in December
Peerless, MT

Average rainfall days in December - Peerless, MT
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Peerless, MT

Average snowfall in December - Peerless, MT
  • Average snowfall in December: 3.58"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Peerless, MT

Average snowfall days in December - Peerless, MT
  • Average snowfall days in December: 13.6 days

The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Peerless, MT

Average daylight in December / Average sunshine in December - Peerless, 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 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Peerless, MT

Average sunshine days in December - Peerless, MT
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is April (13.8 days).

Average UV index in December
Peerless, MT

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Peerless, MT

Average cloud cover in December - Peerless, MT
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in December
Peerless, MT

Average visibility in December - Peerless, 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).

Peerless, Montana, USA

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