December weather forecastIngomar, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Ingomar, Montana, with an average temperature fluctuating between 18.3°F (-7.6°C) and 30.9°F (-0.6°C).Temperature
Ingomar's temperatures tend to hit their minimum during January and December, with an average high-temperature of 30.9°F (-0.6°C).Humidity
In December, the average relative humidity is 75%.Rainfall
January, November and December are months with the least rain when the rain falls for 4 days and typically aggregates up to 0.47" (12mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Ingomar, in December, during 9.4 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 47 snowfall days, and 15.83" (402mm) of snow is accumulated.Daylight
The month with the shortest days in Ingomar is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 4:23 pm. On the last day of December, in Ingomar, sunrise is at 7:53 am and sunset at 4:32 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 5.3h of sunshine.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ingomar, MT
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (30.9°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Ingomar, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Ingomar, MT
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in December
Ingomar, MT
- Average humidity in December: 75%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Ingomar, MT
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").
Average rainfall days in December
Ingomar, MT
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Ingomar, MT
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ingomar, MT
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ingomar, MT
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Ingomar, MT
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in December
Ingomar, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Ingomar, MT
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Ingomar, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
