December weather forecast
Moscow, ID

Clean paths and scenic, neat lawns surrounding lone red barn in a field in Moscow, Idaho
Clean paths and scenic, neat lawns surrounding lone red barn in a field in Moscow, Idaho

Weather in December

The first month of the winter, December, is also a wintry month in Moscow, Idaho, with an average temperature ranging between min 24.1°F (-4.4°C) and max 34°F (1.1°C).

Temperature

The coldest month is December, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 24.1°F (-4.4°C).

Humidity

In Moscow, Idaho, the average relative humidity in December is 86%.

Rainfall

The month with the most rainfall is December, when the rain falls for 11.6 days and typically aggregates up to 2.68" (68mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In December, it is snowing for 14.1 days. Throughout December, 11.14" (283mm) of snow is accumulated. In Moscow, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.

Daylight

With an average of 8h and 37min of daylight, December has the shortest days of the year in Moscow.
On the first day of December in Moscow, sunrise is at 7:12 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:09 pm PST.

Sunshine

January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine.

UV index

In Moscow, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
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 Moscow?

December is the coldest month in Moscow, Idaho, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 24.1°F (-4.4°C).

What is the temperature in December in Moscow?

In Moscow, Idaho, in December, the average high-temperature is 34°F (1.1°C), and the average low-temperature is 24.1°F (-4.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 82.4°F (28°C).

What is the average humidity in December in Moscow?

In December, the average relative humidity is 86%.

What is the rainiest month in Moscow?

December is the month with the most rainfall in Moscow. Rain falls for 11.6 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in December in Moscow?

In Moscow, in December, during 11.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many days does it snow in December in Moscow?

In Moscow, in December, snow falls for 14.1 days, with typically accumulated 11.14" (283mm) of snow.

What is the month with the shortest days in Moscow?

December has the shortest days of the year, with an average of 8h and 37min of daylight.

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

In Moscow, the average day length in December is 8h and 37min.

When is the sunrise / sunset in December in Moscow?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:02 pm. On the last day of the month, in Moscow, sunrise is at 7:32 am and sunset at 4:09 pm PST.

What are the months with the least sunshine in Moscow?

January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine in Moscow.

How many hours of sunshine does Moscow have in December?

In December, the average sunshine duration in Moscow, Idaho, is 4.5h.

How high is the UV index in December in Moscow?

In December, the average daily maximum UV index in Moscow is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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
Moscow, ID

Average temperature in December - Moscow, ID
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure in December
Moscow, ID

Average pressure in December - Moscow, ID
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in December
Moscow, ID

Average wind speed in December - Moscow, ID
  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

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Average humidity in December
Moscow, ID

Average humidity in December - Moscow, ID
  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Moscow, ID

Average rainfall in December - Moscow, ID
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").

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Average rainfall days in December
Moscow, ID

Average rainfall days in December - Moscow, ID
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).

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Average snowfall in December
Moscow, ID

Average snowfall in December - Moscow, ID
  • Average snowfall in December: 11.14"

The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Moscow, ID

Average snowfall days in December - Moscow, ID
  • Average snowfall days in December: 14.1 days

The month with the highest number of snowfall days is December (14.1 days).
The 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
Moscow, ID

Average daylight in December / Average sunshine in December - Moscow, ID
  • Average daylight in December: 8h and 37min

The month with the longest days is June (Average daylight: 15h and 47min).
The month with the shortest days is December (Average daylight: 8h and 37min).

  • Average sunshine in December: 4h and 30min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).

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Average sunshine days in December
Moscow, ID

Average sunshine days in December - Moscow, ID
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).

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Average UV index in December
Moscow, ID

Average UV index in December - Moscow, ID
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in December
Moscow, ID

Average cloud cover in December - Moscow, ID
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Moscow, ID

Average visibility in December - Moscow, ID
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

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