December weather forecast
Morgan, ID

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Weather in December

The first month of the winter, December, is also a subzero cold month in Morgan, Idaho, with an average temperature varying between 16.7°F (-8.5°C) and 28.6°F (-1.9°C).

Temperature

In Morgan, the lowest temperatures are generally noted in December, averaging a high of 28.6°F (-1.9°C) and a low of 16.7°F (-8.5°C).

Humidity

In Morgan, the average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Morgan, Idaho, during the entire year, the rain falls for 120.8 days and collects up to 10.67" (271mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Morgan, in December, snow falls for 16.1 days, with typically accumulated 6.46" (164mm) of snow. Throughout the year, there are 69.9 snowfall days, and 29.37" (746mm) of snow is accumulated.

Daylight

The month with the shortest days in Morgan is December, with an average of 9h and 6min of daylight.
On the first day of December in Morgan, Idaho, sunrise is at 7:40 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:03 pm MST.

Sunshine

In December, the average sunshine in Morgan, Idaho, is 5.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Morgan. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 1 in December translates into these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Morgan?

In Morgan, the lowest temperatures are generally noted in December, averaging a high of 28.6°F (-1.9°C) and a low of 16.7°F (-8.5°C).

How cold is it in Morgan in December?

The average high-temperature and low-temperature during December are 28.6°F (-1.9°C) and 16.7°F (-8.5°C) respectively.

What is the average humidity in December in Morgan?

In Morgan, the average relative humidity in December is 85%.

How much does it rain in Morgan in December?

In Morgan, in December, it is raining for 11.5 days, with typically 1.02" (26mm) of accumulated precipitation.

How much does it snow in Morgan in December?

In Morgan, in December, snow falls for 16.1 days, with typically accumulated 6.46" (164mm) of snow.

What is the month with the shortest days in Morgan?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

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

The average day length in December is 9h and 4min.

What time are sunrise and sunset in December in Morgan?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 4:53 pm. On the last day of the month, in Morgan, sunrise is at 7:59 am and sunset at 5:03 pm MST.

How long on average sun shines in December in Morgan?

In Morgan, the average sunshine duration in December is 5.3h.

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

December is the month with the lowest UV index in Morgan, with an average maximum UV index of 1.

What is the UV index reading in December in Morgan?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Morgan, ID

Average temperature in December - Morgan, ID
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 16.7°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Morgan, ID

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

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Morgan, ID

Average wind speed in December - Morgan, ID
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

Average humidity in December
Morgan, ID

Average humidity in December - Morgan, ID
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (34%).

Average rainfall in December
Morgan, ID

Average rainfall in December - Morgan, ID
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in December
Morgan, ID

Average rainfall days in December - Morgan, ID
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (7.3 days).

Average snowfall in December
Morgan, ID

Average snowfall in December - Morgan, ID
  • Average snowfall in December: 6.46"

The month with the highest snowfall is January (7.83").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Morgan, ID

Average snowfall days in December - Morgan, ID
  • Average snowfall days in December: 16.1 days

The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Morgan, ID

Average sunshine days in December - Morgan, ID
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (10.5 days).

Average UV index in December
Morgan, ID

Average UV index in December - Morgan, ID
  • Average UV index in December: 1

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

Average cloud cover in December
Morgan, ID

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

The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in December
Morgan, ID

Average visibility in December - Morgan, 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 month with the lowest visibility is January (4mi).

Morgan, Idaho, USA

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