December weather forecast
Conrad, MT

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Weather in December

December stamps the arrival of full-on winter; the chills are here to stay. With one of the lowest recorded temperatures, there's no denying that Conrad, Montana is in the thick of the cold season. The chilly climate impels residents to shore up their heated indoors as the wintry air howls outside. Days are notably short, and periods of sunshine give way to extended dark nighttime hours. The city wraps up the year under a layer of snow measuring about 3.27" (83mm), transforming Conrad into a classic holiday-winter wonderland.

Temperature

The coldest month is December, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 16°F (-8.9°C).

Humidity

In December, the average relative humidity in Conrad is 76%.

Rainfall

In Conrad, during December, the rain falls for 4.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 11.93" (303mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Conrad, during December, snow falls for 12.6 days and regularly aggregates up to 3.27" (83mm) of snow. Throughout the year, in Conrad, there are 68.2 snowfall days, and 25.63" (651mm) of snow is accumulated.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:58 am and sunset at 4:36 pm. On the last day of December, in Conrad, sunrise is at 8:18 am and sunset at 4:44 pm MST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest time of year in Conrad?

December, on average, is the coldest month in Conrad, registering a high temperature of 28.6°F (-1.9°C) and a low of 16°F (-8.9°C).

How cold is December in Conrad?

The average high-temperature, in December, in Conrad, is 28.6°F (-1.9°C), while the average low-temperature is 16°F (-8.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 80.6°F (27°C).

What is the average humidity in December in Conrad?

In Conrad, Montana, the average relative humidity in December is 76%.

How many days does it rain in December in Conrad?

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

How many days does it snow in December in Conrad?

In Conrad, Montana, in December, during 12.6 snowfall days, 3.27" (83mm) of snow is typically accumulated.

What is the month with the shortest days in Conrad?

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

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

In December, the average day length in Conrad is 8h and 26min.

When is the sunrise / sunset in December in Conrad?

On the first day of December, sunrise is at 7:58 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:44 pm MST.

What is the month with the least sunshine in Conrad?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Conrad?

In Conrad, the average sunshine duration in December is 5.5h.

When is the lowest UV index in Conrad?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Conrad, Montana.

What is the UV index reading in December in Conrad?

The average daily maximum UV index in December in Conrad, Montana, is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Conrad, MT

Average temperature in December - Conrad, MT
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 16°F

The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).

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Average pressure in December
Conrad, MT

Average pressure in December - Conrad, MT
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Conrad, MT

Average wind speed in December - Conrad, MT
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in December
Conrad, MT

Average humidity in December - Conrad, MT
  • Average humidity in December: 76%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Conrad, MT

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

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Conrad, MT

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

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in December
Conrad, MT

Average snowfall in December - Conrad, MT
  • Average snowfall in December: 3.27"

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Conrad, MT

Average snowfall days in December - Conrad, MT
  • Average snowfall days in December: 12.6 days

The month with the highest number of snowfall days is December (12.6 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Conrad, 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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Conrad, MT

Average sunshine days in December - Conrad, MT
  • Average sunshine days in December: 17 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.2 days).

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Average UV index in December
Conrad, MT

Average UV index in December - Conrad, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Conrad, MT

Average cloud cover in December - Conrad, MT
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in December
Conrad, MT

Average visibility in December - Conrad, 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).

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Conrad, Montana, USA

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