December weather forecast and climate
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

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

Temperature

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

Humidity

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

Rainfall

In Buffalo, during 10.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 169.2 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Buffalo, in December, 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 Buffalo, the average water temperature is 41.5°F (5.3°C).
Note: Swimming in 41.5°F (5.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days in Buffalo, New York, is December, with an average of 9.1h of daylight.

Sunshine

In Buffalo, the average sunshine is 2.7h.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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, in Buffalo, 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?

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

How much does it rain in Buffalo in December?

In December, in Buffalo, the rain falls for 10.5 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in December in Buffalo?

In December, in Buffalo, New York, it is snowing for 15.5 days. Throughout December, 5.24" (133mm) of snow is accumulated.

How cold is the water in December in Buffalo?

In Buffalo, New York, the average seawater temperature in December is 41.5°F (5.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Buffalo?

The month with the shortest days in Buffalo is December, with an average of 9.1h of daylight.

How many hours of daylight does Buffalo have in December?

In Buffalo, the average length of the day in December is 9.1h.

How many hours of sunshine does Buffalo have in December?

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

What are the months with the lowest UV index in Buffalo?

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

What is the UV index intensity in December in Buffalo?

The average daily maximum UV index in December in Buffalo is 1. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.

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"

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

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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%

Months with the highest relative humidity are January and February (85%).
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").
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).
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: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 2.7h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.3h).

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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).
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

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

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