December weather forecast
Saint Anthony, ID

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Weather in December

December, the first month of the winter in Saint Anthony, is also a subzero cold month, with an average temperature varying between 26.2°F (-3.2°C) and 14.2°F (-9.9°C).

Temperature

December, on average, is the coldest month, registering a high temperature of 26.2°F (-3.2°C) and a low of 14.2°F (-9.9°C).

Humidity

In Saint Anthony, the average relative humidity in December is 88%.

Rainfall

In Saint Anthony, in December, it is raining for 6.6 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Saint Anthony, there are 97.5 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Saint Anthony, Idaho, in December, during 17.9 snowfall days, 8.82" (224mm) of snow is typically accumulated. In Saint Anthony, during the entire year, snow falls for 83.8 days and aggregates up to 41.93" (1065mm) of snow.

Daylight

The month with the shortest days in Saint Anthony, Idaho, is December, with an average of 9h and 0min of daylight.
On the first day of December in Saint Anthony, sunrise is at 7:42 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:58 pm MST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Saint Anthony are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Saint Anthony?

December is the coldest month in Saint Anthony, Idaho, exhibiting average temperatures of 26.2°F (-3.2°C) at the peak and 14.2°F (-9.9°C) at the base.

How cold is it in Saint Anthony in December?

In December, the average high-temperature and low-temperature in Saint Anthony are 26.2°F (-3.2°C) and 14.2°F (-9.9°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Saint Anthony?

In Saint Anthony, Idaho, the average relative humidity in December is 88%.

How many days does it rain in December in Saint Anthony?

In December, the rain falls for 6.6 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How much does it snow in Saint Anthony in December?

In Saint Anthony, in December, during 17.9 snowfall days, 8.82" (224mm) of snow is typically accumulated.

What is the month with the shortest days in Saint Anthony?

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

What is the average length of the day in December in Saint Anthony?

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

When are sunrise and sunset in December in Saint Anthony?

In December, on the first day of the month, sunrise is at 7:42 am and sunset at 4:50 pm. On the last day of the month, in Saint Anthony, Idaho, sunrise is at 8:01 am and sunset at 4:58 pm MST.

How long on average sun shines in December in Saint Anthony?

The average sunshine duration in December in Saint Anthony, Idaho, is 4.9h.

What is the month with the lowest UV index in Saint Anthony?

The months with the lowest UV index in Saint Anthony are January, February, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Saint Anthony?

The average daily maximum UV index in December in Saint Anthony, Idaho, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Saint Anthony, ID

Average temperature in December - Saint Anthony, ID
  • Average high temperature in December: 26.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in December
Saint Anthony, ID

Average pressure in December - Saint Anthony, ID
  • Average pressure in December: 30.26"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Saint Anthony, ID

Average wind speed in December - Saint Anthony, ID
  • Average wind speed in December: 4.3mph

The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in December
Saint Anthony, ID

Average humidity in December - Saint Anthony, ID
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).

Average rainfall in December
Saint Anthony, ID

Average rainfall in December - Saint Anthony, ID
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in December
Saint Anthony, ID

Average rainfall days in December - Saint Anthony, ID
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).

Average snowfall in December
Saint Anthony, ID

Average snowfall in December - Saint Anthony, ID
  • Average snowfall in December: 8.82"

The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Saint Anthony, ID

Average snowfall days in December - Saint Anthony, ID
  • Average snowfall days in December: 17.9 days

The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Saint Anthony, ID

Average daylight in December / Average sunshine in December - Saint Anthony, 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 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Saint Anthony, ID

Average sunshine days in December - Saint Anthony, ID
  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in December
Saint Anthony, ID

Average UV index in December - Saint Anthony, 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
Saint Anthony, ID

Average cloud cover in December - Saint Anthony, ID
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in December
Saint Anthony, ID

Average visibility in December - Saint Anthony, ID
  • Average visibility in December: 4mi

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

Saint Anthony, Idaho, USA

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