December weather forecast and climate
Wyola, MT

Weather in December

The first month of the winter, December, is also a subzero cold month in Wyola, Montana, with average temperature ranging between max 31.3°F (-0.4°C) and min 18.1°F (-7.7°C).

Temperature

December is the coldest month, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.1°F (-7.7°C).

Humidity

In Wyola, the average relative humidity is 73%.

Rainfall

Months with the least rainfall are January and December Rain falls for 2.2 days and accumulates 0.12" (3mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Wyola, Montana, during 4.3 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Wyola, during the entire year, snow falls for 23.9 days, and aggregates up to 6.22" (158mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8.8h of daylight.

Sunshine

The average sunshine in December is 6h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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.
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FAQ

What is the coldest month in Wyola?

With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.1°F (-7.7°C), December is the coldest month in Wyola, Montana.

What is the temperature in December in Wyola?

In December, in Wyola, Montana, the average high-temperature is 31.3°F (-0.4°C), and the average low-temperature is 18.1°F (-7.7°C).

What is the average humidity in December in Wyola?

In Wyola, Montana, the average relative humidity in December is 73%.

How many days does it rain in December in Wyola?

In December, the rain falls for 2.2 days. Throughout December, 0.12" (3mm) of precipitation is accumulated.

What is the driest month in Wyola?

January and December are months with the least rain in Wyola when the rain falls for 2.2 days and typically aggregates up to 0.12" (3mm) of rain.

How much does it snow in Wyola in December?

In Wyola, in December, snow falls for 4.3 days, with typically accumulated 0.71" (18mm) of snow.

What is the month with the shortest days in Wyola?

December has the shortest days of the year in Wyola, with an average of 8.8h of daylight.

How many hours of daylight does Wyola have in December?

In December, the average length of the day in Wyola is 8.8h.

How long on average sun shines in December in Wyola?

The average sunshine in December in Wyola is 6h.

What are the months with the lowest UV index in Wyola?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wyola.

What is the UV index reading in December in Wyola?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in December
Wyola, MT

Average temperature in December - Wyola, MT
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 18.1°F

Months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in December
Wyola, MT

Average pressure in December - Wyola, MT
  • Average pressure in December: 30.13"

Months with the highest atmospheric pressure are January and December (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in December
Wyola, MT

Average wind speed in December - Wyola, MT
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in December
Wyola, MT

Average humidity in December - Wyola, MT
  • Average humidity in December: 73%

Months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in December
Wyola, MT

Average rainfall in December - Wyola, MT
  • Average rainfall in December: 0.12"

The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are January and December (0.12").

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Average rainfall days in December
Wyola, MT

Average rainfall days in December - Wyola, MT
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is December (2.2 days).

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Average snowfall in December
Wyola, MT

Average snowfall in December - Wyola, MT
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (1.57").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Wyola, MT

Average snowfall days in December - Wyola, MT
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is February (5.6 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Wyola, MT
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 6h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 5.6h).

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Average sunshine days in December
Wyola, MT

Average sunshine days in December - Wyola, MT
  • Average sunshine days in December: 26.5 days

The month with the most sunshine days is September (26.8 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in December
Wyola, MT

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

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Wyola, MT

Average cloud cover in December - Wyola, MT
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in December
Wyola, MT

Average visibility in December - Wyola, 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).

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