December weather forecast
Culdesac, ID

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Weather in December

December, the first month of the winter in Culdesac, is also an icy month, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 24.3°F (-4.3°C).

Temperature

December brings the lowest temperatures, with an average high of 35.8°F (2.1°C) and an average low of 24.3°F (-4.3°C).

Humidity

In Culdesac, the average relative humidity in December is 83%.

Rainfall

In Culdesac, Idaho, in December, during 9.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Culdesac, during the entire year, the rain falls for 112.5 days and collects up to 9.09" (231mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Culdesac, in December, snow falls for 6 days, with typically accumulated 1.3" (33mm) of snow. In Culdesac, during the entire year, snow falls for 20 days and aggregates up to 6.02" (153mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:01 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:10 pm PST.

Sunshine

In Culdesac, the average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What is the coldest time of year in Culdesac?

December is the coldest month, exhibiting average temperatures of 35.8°F (2.1°C) at the peak and 24.3°F (-4.3°C) at the base.

How cold is December in Culdesac?

In Culdesac, in December, the average high-temperature is 35.8°F (2.1°C), and the average low-temperature is 24.3°F (-4.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 84.2°F (29°C).

What is the average humidity in December in Culdesac?

In December, the average relative humidity is 83%.

How many days does it rain in December in Culdesac?

In Culdesac, Idaho, during December, the rain falls for 9.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in Culdesac in December?

In Culdesac, Idaho, in December, snow falls for 6 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Culdesac?

The month with the shortest days in Culdesac is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Culdesac have in December?

The average day length in December in Culdesac, Idaho, is 8h and 40min.

When is the sunrise / sunset in December in Culdesac?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:01 pm. On the last day of the month, in Culdesac, Idaho, sunrise is at 7:29 am and sunset at 4:10 pm PST.

How many hours of sunshine does Culdesac have in December?

The average sunshine duration in December is 5.3h.

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

The months with the lowest UV index in Culdesac are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Culdesac?

The average daily maximum UV index in December in Culdesac, Idaho, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Culdesac, ID

Average temperature in December - Culdesac, ID
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in December: 24.3°F

The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

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Average pressure in December
Culdesac, ID

Average pressure in December - Culdesac, ID
  • Average pressure in December: 30.18"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
Culdesac, ID

Average wind speed in December - Culdesac, ID
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

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Average humidity in December
Culdesac, ID

Average humidity in December - Culdesac, ID
  • Average humidity in December: 83%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in December
Culdesac, ID

Average rainfall in December - Culdesac, ID
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in December
Culdesac, ID

Average rainfall days in December - Culdesac, ID
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (4.7 days).

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Average snowfall in December
Culdesac, ID

Average snowfall in December - Culdesac, ID
  • Average snowfall in December: 1.3"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Culdesac, ID

Average snowfall days in December - Culdesac, ID
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is December (6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Culdesac, ID

Average daylight in December / Average sunshine in December - Culdesac, ID
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days in December
Culdesac, ID

Average sunshine days in December - Culdesac, ID
  • Average sunshine days in December: 18.3 days

The months with the most sunshine days are July and September (23.5 days).
The months with the least sunshine days are February and April (13.8 days).

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Average UV index in December
Culdesac, ID

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

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

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Average cloud cover in December
Culdesac, ID

Average cloud cover in December - Culdesac, ID
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Culdesac, ID

Average visibility in December - Culdesac, ID
  • Average visibility in December: 5mi

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, February and December (5mi).

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Culdesac, Idaho, USA

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