December weather forecastMorgan, ID
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 6min
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 18min
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: 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: 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: 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: 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).
