December weather forecast
Dunkirk, NY

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The Dunkirk Lighthouse, New York, standing alone in this vast field amid trees, with the light at the top, overlooking the dark Lake Eerie
The Dunkirk Lighthouse, New York, standing alone in this vast field amid trees, with the light at the top, overlooking the dark Lake Eerie

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.
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Frequently asked questions

How cold is December in Dunkirk?

The average high-temperature and low-temperature during December are 36.5°F (2.5°C) and 29.3°F (-1.5°C) respectively.

What is the average humidity in December in Dunkirk?

In Dunkirk, New York, the average relative humidity in December is 82%.

How many days does it rain in December in Dunkirk?

In Dunkirk, in December, during 10.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How much does it snow in Dunkirk in December?

In Dunkirk, New York, in December, during 11.5 snowfall days, 3.23" (82mm) of snow is typically accumulated.

What is the month with the shortest days in Dunkirk?

The month with the shortest days in Dunkirk is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Dunkirk have in December?

The average day length in December is 9h and 8min.

When are sunrise and sunset in December in Dunkirk?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 4:45 pm. On the last day of the month, in Dunkirk, New York, sunrise is at 7:46 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Dunkirk?

The average sunshine duration in December is 2.7h.

When is the lowest UV index in Dunkirk?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December in Dunkirk?

The average daily maximum UV index in December in Dunkirk, New York, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dunkirk, NY

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).

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Average pressure in December
Dunkirk, NY

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).

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Average wind speed in December
Dunkirk, NY

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).

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Average humidity in December
Dunkirk, NY

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%).

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Average rainfall in December
Dunkirk, NY

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").

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Average rainfall days in December
Dunkirk, NY

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).

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Average snowfall in December
Dunkirk, NY

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").

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Average snowfall days in December
Dunkirk, NY

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).

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Average daylight in December /
Average sunshine in December
Dunkirk, NY

Average daylight in December / Average sunshine in December - Dunkirk, NY
  • Average daylight in December: 9h and 1min

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 4min

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).

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Average sunshine days in December
Dunkirk, NY

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).

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Average UV index in December
Dunkirk, NY

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).

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Average cloud cover in December
Dunkirk, NY

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).

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Average visibility in December
Dunkirk, NY

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).

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Dunkirk, New York, USA

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