December weather forecast
Clementsville, ID

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Weather in December

The first month of the winter, December, is also a subzero cold month in Clementsville, Idaho, with an average temperature varying between 25°F (-3.9°C) and 11.5°F (-11.4°C).

Temperature

December stands out as Clementsville's coldest month, with an average high-temperature of 25°F (-3.9°C) and a low-temperature of 11.5°F (-11.4°C).

Humidity

The average relative humidity in December is 89%.

Rainfall

In Clementsville, Idaho, in December, it is raining for 7.5 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 121 rainfall days, and 20.12" (511mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Clementsville, in December, snow falls for 21.6 days, with typically accumulated 14.92" (379mm) of snow. In Clementsville, during the entire year, snow falls for 119.7 days and aggregates up to 88.23" (2241mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:58 pm MST.

Sunshine

The average sunshine in December is 4.6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

December, with its average high-temperature of 25°F (-3.9°C) and an average low-temperature of 11.5°F (-11.4°C), holds the record as the coldest month.

How cold is it in December?

December temperatures vary between a high-temperature of 25°F (-3.9°C) and a low-temperature of 11.5°F (-11.4°C).

What is the average humidity in December?

In December, the average relative humidity is 89%.

How many days does it rain in December?

In December, in Clementsville, the rain falls for 7.5 days. Throughout December, 1.93" (49mm) of precipitation is accumulated.

How many days does it snow in December?

In Clementsville, during December, snow falls for 21.6 days and regularly aggregates up to 14.92" (379mm) of snow.

What is the month with the shortest days in Clementsville?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December?

In December, the average day length is 8h and 58min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:58 pm MST.

How long on average sun shines in December?

In Clementsville, the average sunshine duration in December is 4.6h.

What is the month with the lowest UV index in Clementsville?

January, 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 Clementsville, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Clementsville, ID

Average temperature in December - Clementsville, ID
  • Average high temperature in December: 25°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25°F).

  • Average low temperature in December: 11.5°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Clementsville, ID

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

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Clementsville, ID

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

The windiest month (with the highest average wind speed) is June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity in December
Clementsville, ID

Average humidity in December - Clementsville, ID
  • Average humidity in December: 89%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).

Average rainfall in December
Clementsville, ID

Average rainfall in December - Clementsville, ID
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in December
Clementsville, ID

Average rainfall days in December - Clementsville, ID
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Clementsville, ID

Average snowfall in December - Clementsville, ID
  • Average snowfall in December: 14.92"

The month with the highest snowfall is January (20").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Clementsville, ID

Average snowfall days in December - Clementsville, ID
  • Average snowfall days in December: 21.6 days

The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Clementsville, ID
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Clementsville, ID

Average sunshine days in December - Clementsville, ID
  • Average sunshine days in December: 8.4 days

The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is April (6.7 days).

Average UV index in December
Clementsville, ID

Average UV index in December - Clementsville, 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, February, November and December (UV index 1).

Average cloud cover in December
Clementsville, ID

Average cloud cover in December - Clementsville, ID
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in December
Clementsville, ID

Average visibility in December - Clementsville, 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).

Clementsville, Idaho, USA

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