December weather forecastFinley Point, MT
December
Weather in December
December, the first month of the winter in Finley Point, is still a freezing cold month, with an average temperature ranging between min 16.7°F (-8.5°C) and max 27.9°F (-2.3°C).Temperature
December, with average temperatures reaching a high of 27.9°F (-2.3°C) and a low of 16.7°F (-8.5°C), is the coldest month.Humidity
In December, the average relative humidity is 88%.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Finley Point, during the entire year, the rain falls for 160.2 days and collects up to 18.11" (460mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Finley Point, Montana, in December, during 19.8 snowfall days, 10.2" (259mm) of snow is typically accumulated. In Finley Point, during the entire year, snow falls for 99 days and aggregates up to 47.28" (1201mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:04 am and sunset at 4:46 pm. On the last day of December, sunrise is at 8:24 am and sunset at 4:54 pm MST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Finley Point, MT
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in December: 16.7°F
The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in December
Finley Point, MT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Finley Point, MT
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Finley Point, MT
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in December
Finley Point, MT
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in December
Finley Point, MT
- Average rainfall days in December: 12.9 days
The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).
Average snowfall in December
Finley Point, MT
- Average snowfall in December: 10.2"
The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Finley Point, MT
- Average snowfall days in December: 19.8 days
The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Finley Point, MT
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Finley Point, MT
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).
Average UV index in December
Finley Point, MT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Finley Point, MT
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in December
Finley Point, MT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





