December weather forecast and climate
Niagara Falls, NY

The glorious Niagara Falls in New York, USA, viewed from above
The glorious Niagara Falls in New York, USA, viewed from above
December starts the cold winter in Niagara Falls as the cold threatens to freeze the landscape. The average temperatures are in the cold range of 22°F (-5.6°C) to 36°F (2.2°C). A few days are entirely below freezing temperatures, while some nights drop to 10°F (-12.2°C).
December has the shortest days of the year, with the daily sunlight lasting for only 2 hours. Cloudy and dark skies often govern the weather conditions. Almost every day in December receives rain or snow as the month sees 18" (457.2mm) of fresh snow.
Christmas sees a white blanket of snow in Niagara Falls - even the waters near the falls tend to freeze, carving fantastic shapes.

What is the temperature in December in Niagara Falls?

In Niagara Falls, New York, in December, the average high-temperature is 36.9°F (2.7°C), and the average low-temperature is 21.7°F (-5.7°C).

How many days does it rain in December in Niagara Falls?

In Niagara Falls, in December, during 17.1 rainfall days, typically, 3.2" (82mm) of precipitation is accumulated.

How much does it snow in Niagara Falls in December?

In Niagara Falls, New York, during December, snow falls for 11.9 days and regularly aggregates up to 18.2" (462.3mm) of snow.
Average temperature in December - Niagara Falls, NY
  • Average high temperature in December: 36.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.1°F).

  • Average low temperature in December: 21.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average rainfall in December - Niagara Falls, NY
  • Average rainfall in December: 3.2"

Wettest months (with the highest rainfall) are September and November (3.4").
The driest month (with the lowest rainfall) is February (2.2").

Average rainfall days in December - Niagara Falls, NY
  • Average rainfall days in December: 17.1 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 (9.8 days).

Average snowfall in December - Niagara Falls, NY
  • Average snowfall in December: 18.2"

The month with the highest snowfall is January (23.6").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in December - Niagara Falls, NY
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is January (15 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Niagara Falls, 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: 2h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in December - Niagara Falls, NY
  • Average UV index in December: 1

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

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