December weather forecast
Buffalo, NY

The Niagara square with the McKinley Monument in Buffalo, New York, USA
The Niagara square with the McKinley Monument in Buffalo, New York, USA

Weather in December

December, the first month of the winter in Buffalo, is also a wintry month, with an average temperature varying between 35.6°F (2°C) and 27.7°F (-2.4°C).

Temperature

In December, the average high-temperature decreases from a frosty 45.5°F (7.5°C) in November to a wintry 35.6°F (2°C). In Buffalo, the average low-temperature is 27.7°F (-2.4°C).

Humidity

In Buffalo, the average relative humidity in December is 83%.

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 169.2 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Buffalo are January through May, October through December. In Buffalo, New York, snow falls for 15.5 days, with typically accumulated 5.24" (133mm) of snow. Throughout the year, in Buffalo, there are 77.2 snowfall days, and 30.94" (786mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 41.5°F (5.3°C).
Note: Swimming in 41.5°F (5.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

With an average of 9h and 5min of daylight, December has the shortest days of the year in Buffalo.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:46 am and sunset at 4:50 pm EST.

Sunshine

The average sunshine in December is 2.7h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Buffalo?

The average high-temperature, in December, is 35.6°F (2°C), while the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in December in Buffalo?

In December, the average relative humidity in Buffalo, New York, is 83%.

How much does it rain in Buffalo in December?

In Buffalo, New York, during December, the rain falls for 10.5 days and regularly aggregates up to 2.2" (56mm) of precipitation.

How many days does it snow in December in Buffalo?

In Buffalo, during December, snow falls for 15.5 days and regularly aggregates up to 5.24" (133mm) of snow.

How cold is the water in December in Buffalo?

In Buffalo, in December, the average water temperature is 41.5°F (5.3°C). Swimming in 41.5°F (5.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Buffalo?

December has the shortest days of the year in Buffalo, with an average of 9h and 5min of daylight.

What is the average length of the day in December in Buffalo?

In December, the average day length in Buffalo, New York, is 9h and 5min.

When are sunrise and sunset in December in Buffalo?

On the first day of December in Buffalo, sunrise is at 7:26 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:50 pm EST.

How many hours of sunshine does Buffalo have in December?

In Buffalo, the average sunshine duration in December is 2.7h.

When is the lowest UV index in Buffalo?

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

How high is the UV index in December in Buffalo?

In Buffalo, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Buffalo, NY

Average temperature in December - Buffalo, NY
  • Average high temperature in December: 35.6°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Buffalo, NY

Average pressure in December - Buffalo, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Buffalo, NY

Average wind speed in December - Buffalo, NY
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in December
Buffalo, NY

Average humidity in December - Buffalo, NY
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in December
Buffalo, NY

Average rainfall in December - Buffalo, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Buffalo, NY

Average rainfall days in December - Buffalo, NY
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in December
Buffalo, NY

Average snowfall in December - Buffalo, NY
  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Buffalo, NY

Average snowfall days in December - Buffalo, NY
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in December
Buffalo, NY

Average sea temperature in December - Buffalo, NY
  • Average sea temperature in December: 41.5°F

The best month for swimming (with the highest average sea temperature) is August (74.2°F).
The coldest month (with the lowest average sea temperature) is February (34.9°F).

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

Average daylight in December / Average sunshine in December - Buffalo, NY
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in December: 2h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in December
Buffalo, NY

Average sunshine days in December - Buffalo, NY
  • Average sunshine days in December: 8.2 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).

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Average UV index in December
Buffalo, NY

Average UV index in December - Buffalo, 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, February and December (UV index 1).

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Average cloud cover in December
Buffalo, NY

Average cloud cover in December - Buffalo, NY
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Buffalo, NY

Average visibility in December - Buffalo, NY
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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