December weather forecast
Athol, ID

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Weather in December

December, the first month of the winter in Athol, is also a subzero cold month, with an average temperature varying between 29.7°F (-1.3°C) and 19.4°F (-7°C).

Temperature

Athol's temperature records reveal December as the coldest month, marked by average highs of 29.7°F (-1.3°C) and lows of 19.4°F (-7°C).

Humidity

In December, the average relative humidity is 91%.

Rainfall

The months with the most rainfall are January and December, with an average 3.07" (78mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Athol, during December, snow falls for 17.7 days and regularly aggregates up to 13.94" (354mm) of snow. In Athol, during the entire year, snow falls for 78 days and aggregates up to 56.73" (1441mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:16 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:04 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 10, 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, characterized by an average high temperature of 29.7°F (-1.3°C) and a low temperature of 19.4°F (-7°C), is generally the coldest month.

How cold is it in December?

The high-temperature, in December, in Athol, records 29.7°F (-1.3°C), while the low-temperature is 19.4°F (-7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 80.6°F (27°C).

What is the average humidity in December?

In Athol, the average relative humidity in December is 91%.

What is the wettest month in Athol?

The wettest months are January and December, with an average 3.07" (78mm) of rainfall.

How much does it rain in December?

In Athol, in December, it is raining for 9.4 days, with typically 3.07" (78mm) of accumulated precipitation.

How much does it snow in December?

In Athol, in December, during 17.7 snowfall days, 13.94" (354mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 30min of daylight.

What is the average length of the day in December?

In Athol, the average day length in December is 8h and 28min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:16 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:04 pm PST.

What is the month with the least sunshine?

January and December, with an average of 3.3h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In Athol, the average sunshine duration in December is 3.3h.

What are the months with the lowest UV index?

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 December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Athol, ID

Average temperature in December - Athol, ID
  • Average high temperature in December: 29.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in December: 19.4°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

Average pressure in December
Athol, ID

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in December
Athol, ID

Average wind speed in December - Athol, ID
  • Average wind speed in December: 3.4mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in December
Athol, ID

Average humidity in December - Athol, ID
  • Average humidity in December: 91%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (51%).

Average rainfall in December
Athol, ID

Average rainfall in December - Athol, ID
  • Average rainfall in December: 3.07"

The wettest months (with the highest rainfall) are January and December (3.07").
The driest month (with the least rainfall) is August (0.51").

Average rainfall days in December
Athol, ID

Average rainfall days in December - Athol, ID
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is April (18.1 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in December
Athol, ID

Average snowfall in December - Athol, ID
  • Average snowfall in December: 13.94"

The month with the highest snowfall is January (15.94").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Athol, ID

Average snowfall days in December - Athol, ID
  • Average snowfall days in December: 17.7 days

The month with the highest number of snowfall days is December (17.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Athol, ID
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 16h and 0min).
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 months with the least sunshine are January and December (Average sunshine: 3h and 18min).

Average sunshine days in December
Athol, ID

Average sunshine days in December - Athol, ID
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is August (22.2 days).
The month with the least sunshine days is March (8.4 days).

Average UV index in December
Athol, ID

Average UV index in December - Athol, 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).

Average cloud cover in December
Athol, ID

Average cloud cover in December - Athol, ID
  • Average cloud cover in December: 66

The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in December
Athol, ID

Average visibility in December - Athol, ID
  • Average visibility in December: 3mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

Athol, Idaho, USA

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