December weather forecast and climate
Plevna, MT

The first month of the winter, December, is also a subzero cold month in Plevna, Montana, with average temperature varying between 14.9°F (-9.5°C) and 26.6°F (-3°C).

Temperature

In December, the average high-temperature drops, from a cold 40.1°F (4.5°C) in November, to a subzero cold 26.6°F (-3°C). The average low-temperature, in Plevna, is 14.9°F (-9.5°C).

Humidity

In Plevna, the average relative humidity is 82%.

Rainfall

Months with the least rainfall are January and December Rain falls for 3.5 days and accumulates 0.55" (14mm) of rain.

Snowfall

Months with snowfall are January through May, September through December. In Plevna, during 11.3 snowfall days, 3.35" (85mm) of snow is typically accumulated. In Plevna, during the entire year, snow falls for 62.4 days, and aggregates up to 21.97" (558mm) of snow.

Daylight

With an average of 8.7h of daylight, December has the shortest days of the year in Plevna, Montana.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Plevna.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Plevna?

In December, the average high-temperature is 26.6°F (-3°C), and the average low-temperature is 14.9°F (-9.5°C).

What is the average humidity in December in Plevna?

The average relative humidity in December in Plevna, Montana, is 82%.

How many days does it rain in December in Plevna?

In December, in Plevna, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

What is the driest month in Plevna?

January and December are months with the least rain in Plevna when the rain falls for 3.5 days and typically aggregates up to 0.55" (14mm) of rain.

How many days does it snow in December in Plevna?

In Plevna, Montana, in December, during 11.3 snowfall days, 3.35" (85mm) of snow is typically accumulated.

What is the month with the shortest days in Plevna?

With an average of 8.7h of daylight, December has the shortest days of the year in Plevna, Montana.

How many hours of daylight does Plevna have in December?

The average length of the day in December in Plevna, Montana, is 8.7h.

What is the month with the least sunshine in Plevna?

Months with the least sunshine in Plevna are February and December, with an average of 4.8h of sunshine.

How many hours of sunshine does Plevna have in December?

In Plevna, the average sunshine in December is 4.8h.

What is the month with the lowest UV index in Plevna?

Months with the lowest UV index in Plevna, Montana, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Plevna?

In Plevna, Montana, 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 the Sun's UV rays.
Average temperature in December - Plevna, MT
  • Average high temperature in December: 26.6°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in December - Plevna, MT
  • Average pressure in December: 30.14"

Months with the highest atmospheric pressure are January and February (30.15").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed in December - Plevna, MT
  • Average wind speed in December: 11.4mph

The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).

Average humidity in December - Plevna, MT
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (46%).

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

The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").

Average rainfall days in December - Plevna, MT
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in December - Plevna, MT
  • Average snowfall in December: 3.35"

The month with the highest snowfall is February (3.86").
Months with the least snowfall are June, July and August (0").

Average snowfall days in December - Plevna, MT
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is February (12 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in December / Average sunshine in December - Plevna, MT
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in December: 4.8h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average sunshine days in December - Plevna, MT
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

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

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

Average cloud cover in December - Plevna, MT
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 18).

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

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