Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is the coldest month of the year, registering average temperatures as high as 27.7°F (-2.4°C) and as low as 15.4°F (-9.2°C).Humidity
In December, the average relative humidity is 77%.Rainfall
January and December are months with the least rain in Dunkirk when the rain falls for 3.3 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Dunkirk, in December, snow falls for 9.5 days, with typically accumulated 2.28" (58mm) of snow. Throughout the year, there are 53.7 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Dunkirk.On the first day of December, sunrise is at 7:58 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:41 pm MST.
Sunshine
In Dunkirk, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index in Dunkirk are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Dunkirk?
How cold is December in Dunkirk?
What is the average humidity in December in Dunkirk?
What is the driest month in Dunkirk?
How many days does it rain in December in Dunkirk?
How many days does it snow in December in Dunkirk?
What is the month with the shortest days in Dunkirk?
What is the average length of the day in December in Dunkirk?
When are sunrise and sunset in December in Dunkirk?
How long on average sun shines in December in Dunkirk?
What are the months with the lowest UV index in Dunkirk?
How high is the UV index in December in Dunkirk?
Average temperature in December
Dunkirk, MT
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in December
Dunkirk, MT
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Dunkirk, MT
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in December
Dunkirk, MT
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Dunkirk, MT
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in December
Dunkirk, MT
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Dunkirk, MT
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Dunkirk, MT
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Dunkirk, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Dunkirk, MT
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in December
Dunkirk, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Dunkirk, MT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Dunkirk, 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).
Dunkirk, Montana, USA
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