Ithaca weather in December 2025

Expect daytime maximum temperatures of 36°F in Ithaca, New York in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 2.6 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in December in Ithaca36
    36°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in December in Ithaca18
    18 days with some rainfall
  • 19°F minimum night-time temperature in December in Ithaca19
    19°F min night temperature
  • 9 hours of daylight per day in December in Ithaca9
    9 hours of daylight per day
  • No heat & humidity in December in Ithaca0
    No heat & humidity
  • 2.6 inches monthly rainfall in December in Ithaca2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Ithaca1
    1 (Low) UV index

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The December weather guide for New York (Ithaca) 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 New York

How cold is it in Ithaca in December?

Daytime temperatures usually reach 36°F in Ithaca in December, falling to 19°F at night.

How sunny is it in Ithaca in December?

There are normally 3 hours of bright sunshine each day in Ithaca in December - that's 27% of daylight hours.

Does it rain in Ithaca in December?

There are usually 18 days with some rain in Ithaca in December and the average monthly rainfall is 2.6 inches. Rain may fall as snow in this month.

Ithaca December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:16 16:34
Tuesday, 16th December 2025 07:29 16:34
Wednesday, 31st December 2025 07:35 16:43

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