December weather forecast
Clifton, ID

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Weather in December

The first month of the winter, December, is also a subzero cold month in Clifton, Idaho, with an average temperature ranging between max 28.8°F (-1.8°C) and min 14.9°F (-9.5°C).

Temperature

December stands out as Clifton's coldest month, with an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 14.9°F (-9.5°C).

Humidity

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

Rainfall

In Clifton, Idaho, in December, during 9.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Clifton, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Clifton, during December, snow falls for 17.3 days and regularly aggregates up to 12.4" (315mm) of snow. In Clifton, during the entire year, snow falls for 83.8 days and aggregates up to 60.12" (1527mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:37 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:06 pm MST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Clifton?

In Clifton, Idaho, the average lowest temperatures are observed in December, with a high of 28.8°F (-1.8°C) and a low of 14.9°F (-9.5°C).

How cold is December in Clifton?

The high-temperature, in December, in Clifton, is 28.8°F (-1.8°C), while the low-temperature averages to 14.9°F (-9.5°C).

What is the average humidity in December in Clifton?

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

How much does it rain in Clifton in December?

In Clifton, Idaho, during December, the rain falls for 9.6 days and regularly aggregates up to 1.81" (46mm) of precipitation.

How much does it snow in Clifton in December?

In Clifton, Idaho, in December, snow falls for 17.3 days, with typically accumulated 12.4" (315mm) of snow.

What is the month with the shortest days in Clifton?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Clifton, Idaho.

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

In December, the average day length in Clifton, Idaho, is 9h and 10min.

When is the sunrise / sunset in December in Clifton?

On the first day of December, sunrise is at 7:37 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:06 pm MST.

How many hours of sunshine does Clifton have in December?

The average sunshine duration in December in Clifton is 5.3h.

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

The months with the lowest UV index in Clifton are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Clifton?

In Clifton, Idaho, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Clifton, ID

Average temperature in December - Clifton, ID
  • Average high temperature in December: 28.8°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in December
Clifton, ID

Average pressure in December - Clifton, ID
  • Average pressure in December: 30.25"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Clifton, ID

Average wind speed in December - Clifton, ID
  • Average wind speed in December: 4.5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average humidity in December
Clifton, ID

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

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in December
Clifton, ID

Average rainfall in December - Clifton, ID
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in December
Clifton, ID

Average rainfall days in December - Clifton, ID
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).

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Average snowfall in December
Clifton, ID

Average snowfall in December - Clifton, ID
  • Average snowfall in December: 12.4"

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Clifton, ID

Average snowfall days in December - Clifton, ID
  • Average snowfall days in December: 17.3 days

The months with the highest number of snowfall days are January and February (17.6 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
Clifton, ID

Average daylight in December / Average sunshine in December - Clifton, ID
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in December
Clifton, ID

Average sunshine days in December - Clifton, ID
  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in December
Clifton, ID

Average UV index in December - Clifton, 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 January and December (UV index 1).

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Average cloud cover in December
Clifton, ID

Average cloud cover in December - Clifton, ID
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in December
Clifton, ID

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

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

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Clifton, Idaho, USA

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