Tucson weather in December 2025

Expect daytime maximum temperatures of 66°F in Tucson, Arizona in December based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 66°F maximum daytime temperature in December in Tucson66
    66°F max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in December in Tucson5
    5 days with some rainfall
  • 41°F minimum night-time temperature in December in Tucson41
    41°F min night temperature
  • 10 hours of daylight per day in December in Tucson10
    10 hours of daylight per day
  • No heat & humidity in December in Tucson0
    No heat & humidity
  • 1.1 inches monthly rainfall in December in Tucson1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in December in Tucson3
    3 (Moderate) UV index

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The December weather guide for Arizona (Tucson) 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 Tucson in December?

Daytime temperatures usually reach 66°F in Tucson in December, falling to 41°F at night.

How sunny is it in Tucson in December?

There are normally 8 hours of bright sunshine each day in Tucson in December - that's 78% of daylight hours.

Does it ever rain in Tucson in December?

There are usually 5 days with some rain in Tucson in December and the average monthly rainfall is 1.1 inches.

Tucson December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:07 17:18
Tuesday, 16th December 2025 07:18 17:21
Wednesday, 31st December 2025 07:25 17:29

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