Buffalo
New York, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Buffalo, NY

A view of the Niagara square with the McKinley Monument in Buffalo, New York
A view of the Niagara square with the McKinley Monument in Buffalo, New York
The first month of the winter, December, is also a wintry month in Buffalo, New York, with average temperature fluctuating between 36.1°F (2.3°C) and 24.1°F (-4.4°C).

Temperature

In Buffalo, the average high-temperature in December decreases, from a chilly 47.7°F (8.7°C) in November, to a wintry 36.1°F (2.3°C). In December, the average low-temperature is 24.1°F (-4.4°C).

Humidity

With an average relative humidity of 77.6%, December is the most humid month.

Rainfall

In Buffalo, New York, it is raining for 18.3 days, with typically 3.9" (98.8mm) of accumulated precipitation. Throughout the year, there are 166.5 rainfall days, and 40.5" (1028.3mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall in Buffalo, New York. Snow falls for 14 days and accumulates 27.4" (696mm) of snow.

Ocean temperature

In December, the average ocean temperature is 41.5°F (5.3°C). 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

With an average of 9.1h of daylight, December has the shortest days of the year.

Sunshine

December has the least sunshine of the year in Buffalo, with an average of 2.2h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Buffalo, New York. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the average person.
The average daily UV index of 1 in December transform into the following instructions:
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 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Buffalo?

In Buffalo, in December, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 24.1°F (-4.4°C).

What is the most humid month in Buffalo?

December is the most humid month in Buffalo, with an average relative humidity of 77.6%.

What is the average humidity in December in Buffalo?

The average relative humidity in December in Buffalo is 77.6%.

How much does it rain in Buffalo in December?

In Buffalo, in December, it is raining for 18.3 days, with typically 3.9" (98.8mm) of accumulated precipitation.

How much does it snow in Buffalo in December?

In December, in Buffalo, New York, it is snowing for 14 days. Throughout December, 27.4" (696mm) of snow is accumulated.

When does it snow the most in Buffalo?

The month with the most snowfall in Buffalo, New York, is December when snow falls for 14 days and typically aggregates up to 27.4" (696mm) of snow.

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). 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?

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

How many hours of daylight does Buffalo have in December?

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

What is the month with the least sunshine in Buffalo?

December has the least sunshine of the year in Buffalo, with an average of 2.2h of sunshine.

How long on average sun shines in December in Buffalo?

The average sunshine in December in Buffalo is 2.2h.

What is the month with the lowest UV index in Buffalo?

Months with the lowest UV index in Buffalo, New York, are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in Buffalo?

The average daily maximum UV index in December in Buffalo, New York, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Buffalo, NY
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.2°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (62.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average humidity in December - Buffalo, NY
  • Average humidity in December: 77.6%

The month with the highest relative humidity is December (77.6%).
The month with the lowest relative humidity is May (67.2%).

Average rainfall in December - Buffalo, NY
  • Average rainfall in December: 3.9"

The wettest month (with the highest rainfall) is November (4").
The driest month (with the lowest rainfall) is February (2.5").

Average rainfall days in December - Buffalo, NY
  • Average rainfall days in December: 18.3 days

The month with the highest number of rainy days is January (19.2 days).
The month with the lowest number of rainy days is August (10.1 days).

Average snowfall in December - Buffalo, NY
  • Average snowfall in December: 27.4"

The month with the highest snowfall is December (27.4").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in December - Buffalo, NY
  • Average snowfall days in December: 14 days

The month with the highest number of snowfall days is January (16.3 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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).

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 shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 2.2h

The month with most sunshine is July (Average sunshine: 9.9h).
The month with least sunshine is December (Average sunshine: 2.2h).

Average UV index in December - Buffalo, NY
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).