December weather forecast and climate
Brusett, MT

The first month of the winter, December, is also a subzero cold month in Brusett, Montana, with average temperature varying between 28°F (-2.2°C) and 16°F (-8.9°C).

Temperature

In Brusett, Montana, the average high-temperature in December decreases, from a wintry 40.5°F (4.7°C) in November, to a subzero cold 28°F (-2.2°C). In December, in Brusett, the average low-temperature is 16°F (-8.9°C).

Humidity

The average relative humidity in Brusett is 79%.

Rainfall

In Brusett, in December, it is raining for 4.6 days, with typically 0.71" (18mm) of accumulated precipitation. In Brusett, during the entire year, the rain falls for 104.8 days and collects up to 13.03" (331mm) of precipitation.

Snowfall

Months with snowfall in Brusett are January through May, September through December. December is the month with the most snowfall. Snow falls for 12.5 days and accumulates 4.45" (113mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8.5h of daylight.

Sunshine

In Brusett, the average sunshine is 5h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in December in Brusett?

In December, the average high-temperature is 28°F (-2.2°C), and the average low-temperature is 16°F (-8.9°C).

What is the average humidity in December in Brusett?

In December, the average relative humidity in Brusett is 79%.

How much does it rain in Brusett in December?

In Brusett, Montana, during December, the rain falls for 4.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Brusett in December?

In Brusett, Montana, in December, snow falls for 12.5 days, with typically accumulated 4.45" (113mm) of snow.

What is the snowiest month in Brusett?

The month with the most snowfall in Brusett is December when snow falls for 12.5 days and typically aggregates up to 4.45" (113mm) of snow.

What is the month with the shortest days in Brusett?

With an average of 8.5h of daylight, December has the shortest days of the year in Brusett.

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

In December, the average length of the day in Brusett is 8.5h.

How many hours of sunshine does Brusett have in December?

In Brusett, the average sunshine in December is 5h.

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

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

What is the UV index reading in December in Brusett?

In December, the average daily maximum UV index in Brusett is 1. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Brusett, MT
  • Average high temperature in December: -2.2°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in December: -8.9°C

The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-9.6°C).

Average pressure in December - Brusett, MT
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is February (1020.6mbar).
The month with the lowest atmospheric pressure is June (1010.3mbar).

Average wind speed in December - Brusett, MT
  • Average wind speed in December: 16.7km/h

The windiest month (with the highest average wind speed) is April (19.3km/h).
The calmest month (with the lowest average wind speed) is February (15.9km/h).

Average humidity in December - Brusett, MT
  • Average humidity in December: 79%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).

Average rainfall in December - Brusett, MT
  • Average rainfall in December: 18mm

The wettest months (with the highest rainfall) are May and June (48mm).
The driest month (with the least rainfall) is November (16mm).

Average rainfall days in December - Brusett, MT
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in December - Brusett, MT
  • Average snowfall in December: 113mm

The month with the highest snowfall is December (113mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in December - Brusett, MT
  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is December (12.5 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in December / Average sunshine in December - Brusett, MT
  • Average daylight in December: 8.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in December: 5h

The month with the most sunshine is July (Average sunshine: 11.9h).
Months with the least sunshine are January and February (Average sunshine: 4.9).

Average sunshine days in December - Brusett, MT
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in December - Brusett, 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 - Brusett, MT
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in December - Brusett, MT
  • Average visibility in December: 9km

Months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).