Niagara Falls weather in December 2025

Expect daytime maximum temperatures of 36°F in Niagara Falls, Ontario in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 3.8 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in December in Niagara Falls36
    36°F max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in December in Niagara Falls16
    16 days with some rainfall
  • 23°F minimum night-time temperature in December in Niagara Falls23
    23°F min night temperature
  • 9 hours of daylight per day in December in Niagara Falls9
    9 hours of daylight per day
  • No heat & humidity in December in Niagara Falls0
    No heat & humidity
  • 3.8 inches monthly rainfall in December in Niagara Falls3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Niagara Falls1
    1 (Low) UV index

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The December weather guide for Ontario (Niagara Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Ontario

How cold is it in Niagara Falls in December?

Daytime temperatures usually reach 36°F in Niagara Falls in December, falling to 23°F at night.

How sunny is it in Niagara Falls in December?

There are normally 2 hours of bright sunshine each day in Niagara Falls in December - that's 23% of daylight hours.

Does it rain in Niagara Falls in December?

There are usually 16 days with some rain in Niagara Falls in December and the average monthly rainfall is 3.8 inches. Rain may fall as snow in this month.

Niagara Falls December sunrise & sunset times

Browse the sunrise and sunset times for Niagara Falls in December 2025. Select a month to view Niagara Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:28 16:42
Tuesday, 16th December 2025 07:42 16:42
Wednesday, 31st December 2025 07:48 16:51

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