December weather - Winter 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average snowfall in December
Average snowfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

Rocks, trees, and mountains on the shores of Lake Coeur d'Alene, in Idaho

Weather in December

The winter season fully engulfs Coeur d'Alene, Idaho, in December, with an average snowfall of 12.72" (323mm). The city transforms into a winter wonderland once again, under the dome of a frosty sky. The temperature drops further, creating a cool atmosphere laden with festive joy. With the increased snowfall, chilled winds, and decreased daylight, late-year outdoor activities acquire a different kind of charm. December concludes the year on a frosty note, accentuating Coeur d'Alene's riveting snow-dusted landscapes.

Temperature

With its high average temperature of 31.3°F (-0.4°C) and a low of 20.8°F (-6.2°C), December is regarded as the coldest month.

Humidity

In Coeur d'Alene, the average relative humidity in December is 90%.

Rainfall

In December, the rain falls for 10.4 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Coeur d'Alene, during the entire year, the rain falls for 139.7 days and collects up to 22.2" (564mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Coeur d'Alene, in December, during 16.5 snowfall days, 12.72" (323mm) of snow is typically accumulated. In Coeur d'Alene, during the entire year, snow falls for 71.6 days and aggregates up to 56.26" (1429mm) of snow.

Daylight

The month with the shortest days in Coeur d'Alene is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 3:57 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:05 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index in Coeur d'Alene are February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

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Frequently asked questions

What is the coldest time of year in Coeur d'Alene?

December, noted for its average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 20.8°F (-6.2°C), is considered the coldest month in Coeur d'Alene.

How cold is it in Coeur d'Alene in December?

The average high-temperature, in December, in Coeur d'Alene, is 31.3°F (-0.4°C), while the average low-temperature is 20.8°F (-6.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 82.4°F (28°C).

What is the average humidity in December in Coeur d'Alene?

In Coeur d'Alene, Idaho, the average relative humidity in December is 90%.

How much does it rain in Coeur d'Alene in December?

In December, in Coeur d'Alene, the rain falls for 10.4 days. Throughout December, 2.8" (71mm) of precipitation is accumulated.

How many days does it snow in December in Coeur d'Alene?

In December, in Coeur d'Alene, Idaho, it is snowing for 16.5 days. Throughout December, 12.72" (323mm) of snow is accumulated.

What is the month with the shortest days in Coeur d'Alene?

December has the shortest days of the year in Coeur d'Alene, Idaho, with an average of 8h and 30min of daylight.

How many hours of daylight does Coeur d'Alene have in December?

In Coeur d'Alene, the average day length in December is 8h and 30min.

What time are sunrise and sunset in December in Coeur d'Alene?

On the first day of December in Coeur d'Alene, Idaho, sunrise is at 7:15 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:05 pm PST.

What is the month with the least sunshine in Coeur d'Alene?

With an average of 3.3h of sunshine, December has the least sunshine of the year in Coeur d'Alene, Idaho.

How long on average sun shines in December in Coeur d'Alene?

In Coeur d'Alene, Idaho, the average sunshine duration in December is 3.3h.

When is the lowest UV index in Coeur d'Alene?

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Coeur d'Alene?

The average daily maximum UV index in December in Coeur d'Alene is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

40.5°F 4.7°C

31.3°F -0.4°C

32.7°F 0.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.4mph 7.1km/h

4mph 6.4km/h

4.5mph 7.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.8

10.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Coeur d'Alene, ID

Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).

Average low temperature in December: 20.8°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).

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Average pressure in December
Coeur d'Alene, ID

Average pressure in December: 30.18"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in December
Coeur d'Alene, ID

Average wind speed in December: 3.7mph

The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).

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Average humidity in December
Coeur d'Alene, ID

Average humidity in December: 90%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).

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Average rainfall in December
Coeur d'Alene, ID

Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").

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Average rainfall days in December
Coeur d'Alene, ID

Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.4 days).

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Average snowfall in December
Coeur d'Alene, ID

Average snowfall in December: 12.72"

The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Coeur d'Alene, ID

Average snowfall days in December: 16.5 days

The month with the highest number of snowfall days is December (16.5 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
Coeur d'Alene, ID

Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in December
Coeur d'Alene, ID

Average sunshine days in December: 10.2 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in December
Coeur d'Alene, ID

Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in December
Coeur d'Alene, ID

Average cloud cover in December: 65

The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Coeur d'Alene, ID

Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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December weather forecast
Coeur d'Alene, ID

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