December weather forecast
Moore, ID

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Weather in December

The first month of the winter, December, is still a freezing cold month in Moore, Idaho, with an average temperature ranging between min 11.8°F (-11.2°C) and max 25.3°F (-3.7°C).

Temperature

Moore records the coldest temperatures in December, averaging a high of 25.3°F (-3.7°C) and a low of 11.8°F (-11.2°C).

Humidity

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

Rainfall

In Moore, during December, the rain falls for 8 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Moore, during the entire year, the rain falls for 107.2 days and collects up to 10.31" (262mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Moore. In December, in Moore, it is snowing for 14.5 days. Throughout December, 5.98" (152mm) of snow is accumulated. In Moore, during the entire year, snow falls for 75.2 days and aggregates up to 35.28" (896mm) 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 December, sunrise is at 7:48 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:06 pm MST.

Sunshine

The average sunshine in December is 5.7h.

UV index

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Moore, December is known for its average lowest temperatures, reaching a high of 25.3°F (-3.7°C) and a low of 11.8°F (-11.2°C).

How cold is December?

The average high-temperature and low-temperature during December are 25.3°F (-3.7°C) and 11.8°F (-11.2°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 83%.

How many days does it rain in December?

In Moore, in December, it is raining for 8 days, with typically 0.83" (21mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 14.5 days. Throughout December, 5.98" (152mm) of snow is accumulated.

What is the month with the shortest days?

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 59min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:48 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:06 pm MST.

How many hours of sunshine does Moore have in December?

In Moore, Idaho, the average sunshine duration in December is 5.7h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Moore, ID

Average temperature in December - Moore, ID
  • Average high temperature in December: 25.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (25.3°F).

  • Average low temperature in December: 11.8°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).

Average pressure in December
Moore, ID

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Moore, ID

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

The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

Average humidity in December
Moore, ID

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

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (32%).

Average rainfall in December
Moore, ID

Average rainfall in December - Moore, ID
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in December
Moore, ID

Average rainfall days in December - Moore, ID
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is July (5.9 days).

Average snowfall in December
Moore, ID

Average snowfall in December - Moore, ID
  • Average snowfall in December: 5.98"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Moore, ID

Average snowfall days in December - Moore, ID
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Moore, 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: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in December
Moore, ID

Average sunshine days in December - Moore, ID
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Moore, ID

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in December
Moore, ID

Average cloud cover in December - Moore, ID
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in December
Moore, ID

Average visibility in December - Moore, 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 and February (4mi).

Moore, Idaho, USA

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