Grand Canyon weather in December 2025

Expect daytime maximum temperatures of 48°F in Grand Canyon, Arizona in December based on long-term weather averages. There are 7 hours of sunshine per day on average.

  • 48°F maximum daytime temperature in December in Grand Canyon48
    48°F max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in December in Grand Canyon5
    5 days with some rainfall
  • 23°F minimum night-time temperature in December in Grand Canyon23
    23°F min night temperature
  • 10 hours of daylight per day in December in Grand Canyon10
    10 hours of daylight per day
  • No heat & humidity in December in Grand Canyon0
    No heat & humidity
  • 1.0 inches monthly rainfall in December in Grand Canyon1.0
    1.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Grand Canyon2
    2 (Low) UV index

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The December weather guide for Arizona (Grand Canyon) 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 Arizona

How hot is it in Grand Canyon in December?

Daytime temperatures usually reach 66°F in Grand Canyon in December, falling to 39°F at night.

How sunny is it in Grand Canyon in December?

There are normally 8 hours of bright sunshine each day in Grand Canyon in December - that's 79% of daylight hours.

Does it ever rain in Grand Canyon in December?

There are usually 4 days with some rain in Grand Canyon in December and the average monthly rainfall is 1.0 inches.

Grand Canyon December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:21 17:14
Tuesday, 16th December 2025 07:33 17:16
Wednesday, 31st December 2025 07:39 17:25

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