December weather forecastTrout Creek, MT
December
Weather in December
December, the first month of the winter in Trout Creek, is also a subzero cold month, with an average temperature varying between 28.9°F (-1.7°C) and 16.2°F (-8.8°C).Temperature
With average temperatures fluctuating between a high of 28.9°F (-1.7°C) and a low of 16.2°F (-8.8°C), December stands out as the coldest month.Humidity
In Trout Creek, the average relative humidity in December is 91%.Rainfall
In Trout Creek, during December, the rain falls for 12.2 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Trout Creek, during the entire year, the rain falls for 152.1 days and collects up to 22.09" (561mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 20.4 days. Throughout December, 13.35" (339mm) of snow is accumulated. Throughout the year, there are 90.2 snowfall days, and 58.15" (1477mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December in Trout Creek, Montana, sunrise is at 8:11 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:31 am and sunset at 5:00 pm MST.
Sunshine
In Trout Creek, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Trout Creek are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trout Creek, MT
- Average high temperature in December: 28.9°F
The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in December
Trout Creek, MT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Trout Creek, MT
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in December
Trout Creek, MT
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in December
Trout Creek, MT
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
Trout Creek, MT
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in December
Trout Creek, MT
- Average snowfall in December: 13.35"
The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Trout Creek, MT
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Trout Creek, MT
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Trout Creek, MT
- Average sunshine days in December: 8.1 days
The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in December
Trout Creek, MT
- 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
Trout Creek, MT
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Trout Creek, MT
- Average visibility in December: 3mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).





