Phoenix weather in January 2025

Expect 66°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Phoenix in January. Check more long-term weather averages for Phoenix in January before you book your next holiday to Arizona in 2025/2026.

  • 66°F maximum daytime temperature in January in Phoenix66
    66°F max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in January in Phoenix4
    4 days with some rainfall
  • 39°F minimum night-time temperature in January in Phoenix39
    39°F min night temperature
  • 10 hours of daylight per day in January in Phoenix10
    10 hours of daylight per day
  • No heat & humidity in January in Phoenix0
    No heat & humidity
  • 0.9 inches monthly rainfall in January in Phoenix0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Phoenix3
    3 (Moderate) UV index

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The January weather guide for Arizona (Phoenix) 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 Phoenix in January?

Daytime temperatures usually reach 66°F in Phoenix in January, falling to 39°F at night.

How sunny is it in Phoenix in January?

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

Does it ever rain in Phoenix in January?

There are usually 4 days with some rain in Phoenix in January and the average monthly rainfall is 0.9 inches.

Phoenix January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:33 17:32
Thursday, 16th January 2025 07:32 17:45
Friday, 31st January 2025 07:25 17:59

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