December weather forecastDunkirk, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Dunkirk, Indiana, with an average temperature fluctuating between 37.4°F (3°C) and 27.1°F (-2.7°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a cold 37.4°F (3°C) from November's frosty 48.4°F (9.1°C). The nighttime temperature, during December, averages of 27.1°F (-2.7°C).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Dunkirk, in December, it is raining for 10.5 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 169.1 rainfall days, and 30.98" (787mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Dunkirk, in December, snow falls for 10.3 days, with typically accumulated 3.27" (83mm) of snow. Throughout the year, in Dunkirk, there are 47.6 snowfall days, and 15.12" (384mm) of snow is accumulated.Daylight
December has the shortest days of the year in Dunkirk, with an average of 9h and 18min of daylight.On the first day of December in Dunkirk, sunrise is at 7:45 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in December in Dunkirk is 3.9h.UV index
December is the month with the lowest UV index in Dunkirk, Indiana, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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
Average temperature in December
Dunkirk, IN
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Dunkirk, IN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dunkirk, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Dunkirk, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Dunkirk, IN
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Dunkirk, IN
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Dunkirk, IN
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dunkirk, IN
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dunkirk, IN
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Dunkirk, IN
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in December
Dunkirk, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Dunkirk, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June, July and August (Cloud cover 33).
Average visibility in December
Dunkirk, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
