Tucson weather in January 2025

Expect 18°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Tucson in January. Check more long-term weather averages for Tucson in January before you book your next holiday to Arizona in 2025/2026.

  • 18°C maximum daytime temperature in January in Tucson18
    18°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in January in Tucson5
    5 days with some rainfall
  • 4°C minimum night-time temperature in January in Tucson4
    4°C min night temperature
  • 10 hours of daylight per day in January in Tucson10
    10 hours of daylight per day
  • No heat & humidity in January in Tucson0
    No heat & humidity
  • 24 mm monthly rainfall in January in Tucson24
    24 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in January in Tucson4
    4 (Moderate) UV index

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The January 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 / mm)  |  Imperial (°F / inches)

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More about Arizona

How hot is it in Tucson in January?

Daytime temperatures usually reach 18°C in Tucson in January, falling to 4°C at night.

How sunny is it in Tucson in January?

There are normally 8 hours of bright sunshine each day in Tucson in January - that's 80% of daylight hours.

Does it ever rain in Tucson in January?

There are usually 5 days with some rain in Tucson in January and the average monthly rainfall is 24mm.

Tucson January sunrise & sunset times

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


Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:25 17:30
Thursday, 16th January 2025 07:25 17:43
Friday, 31st January 2025 07:18 17:57

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