December weather forecast
Evergreen, MT

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Weather in December

December, the first month of the winter in Evergreen, is still a freezing cold month, with an average temperature ranging between max 25.9°F (-3.4°C) and min 14.7°F (-9.6°C).

Temperature

Evergreen's coldest month, December, generally records average temperatures ranging from a high of 25.9°F (-3.4°C) to a low of 14.7°F (-9.6°C).

Humidity

The average relative humidity in December is 90%.

Rainfall

In Evergreen, Montana, in December, it is raining for 10.5 days, with typically 1.65" (42mm) of accumulated precipitation. In Evergreen, during the entire year, the rain falls for 142.8 days and collects up to 17.36" (441mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Evergreen, in December, during 21.5 snowfall days, 10.79" (274mm) of snow is typically accumulated. In Evergreen, during the entire year, snow falls for 104.7 days and aggregates up to 51.34" (1304mm) of snow.

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 4:45 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:53 pm MST.

Sunshine

In Evergreen, the average sunshine in December is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Evergreen. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 1 in December translates 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 radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

In Evergreen, December is the coldest month, with temperatures averaging a high of 25.9°F (-3.4°C) and a low of 14.7°F (-9.6°C).

How cold is it in December?

In December, the average high-temperature and low-temperature are 25.9°F (-3.4°C) and 14.7°F (-9.6°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 90%.

How much does it rain in December?

In Evergreen, in December, it is raining for 10.5 days, with typically 1.65" (42mm) of accumulated precipitation.

How many days does it snow in December?

In Evergreen, in December, during 21.5 snowfall days, 10.79" (274mm) of snow is typically 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.

How many hours of daylight does Evergreen have in December?

The average day length in December is 8h and 25min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 8:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:53 pm MST.

How many hours of sunshine does Evergreen have in December?

The average sunshine duration in December is 4.1h.

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.

How high is the UV index in December in Evergreen?

In Evergreen, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Evergreen, MT

Average temperature in December - Evergreen, MT
  • Average high temperature in December: 25.9°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.9°F).

  • Average low temperature in December: 14.7°F

The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

Average pressure in December
Evergreen, MT

Average pressure in December - Evergreen, 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
Evergreen, MT

Average wind speed in December - Evergreen, MT
  • Average wind speed in December: 3.8mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in December
Evergreen, MT

Average humidity in December - Evergreen, MT
  • Average humidity in December: 90%

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

Average rainfall in December
Evergreen, MT

Average rainfall in December - Evergreen, MT
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is August (0.55").

Average rainfall days in December
Evergreen, MT

Average rainfall days in December - Evergreen, MT
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).

Average snowfall in December
Evergreen, MT

Average snowfall in December - Evergreen, MT
  • Average snowfall in December: 10.79"

The month with the highest snowfall is January (11.3").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Evergreen, MT

Average snowfall days in December - Evergreen, MT
  • Average snowfall days in December: 21.5 days

The month with the highest number of snowfall days is December (21.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Evergreen, MT
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 1min

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 42min).

Average sunshine days in December
Evergreen, MT

Average sunshine days in December - Evergreen, MT
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in December
Evergreen, MT

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Evergreen, MT

Average cloud cover in December - Evergreen, MT
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in December
Evergreen, MT

Average visibility in December - Evergreen, 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).

Evergreen, Montana, USA

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