December weather forecastDunkirk, NY
December
Weather in December
December firmly situates Dunkirk in the midst of winter. The temperature drops further to a cool 36.5°F (2.5°C), establishing a chilly environment. Snowfall enhances, laying down 3.23" (82mm) of snow, creating a classic winter view. However, the daylight hours plummet to a mere 9.1 hours, the shortest throughout the year. The change in season to winter is unmistakable by now, solidifying the year-end weather pattern in Dunkirk.Temperature
December in Dunkirk indicates a shift in the average high-temperature, from November's frosty 45.5°F (7.5°C) to an icy 36.5°F (2.5°C). December nights reflect a consistent temperature dip to a freezing cold 29.3°F (-1.5°C), a slight descent from daytime peaks.Humidity
In Dunkirk, the average relative humidity in December is 82%.Rainfall
In Dunkirk, in December, during 10.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 171.9 rainfall days, and 33.43" (849mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Dunkirk, in December, snow falls for 11.5 days, with typically accumulated 3.23" (82mm) of snow. In Dunkirk, during the entire year, snow falls for 61.7 days and aggregates up to 20.67" (525mm) of snow.Daylight
December has the shortest days of the year in Dunkirk, with an average of 9h and 6min of daylight.On the first day of December in Dunkirk, sunrise is at 7:27 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:54 pm EST.
Sunshine
In December, the average sunshine in Dunkirk is 2.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunkirk, NY
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 29.3°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 (21.2°F).
Average pressure in December
Dunkirk, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dunkirk, NY
- Average wind speed in December: 13.9mph
The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Dunkirk, NY
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are September, October and November (77%).
Average rainfall in December
Dunkirk, NY
- Average rainfall in December: 2.76"
The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Dunkirk, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is October (19.3 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Dunkirk, NY
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dunkirk, NY
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.6 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, NY
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Dunkirk, NY
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.2 days).
Average UV index in December
Dunkirk, NY
- 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 and December (UV index 1).
Average cloud cover in December
Dunkirk, NY
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Dunkirk, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
