Arizona weather in January 2025

Expect 19°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Arizona in January. Check more long-term weather averages for Arizona in January before you book your next holiday to Arizona in 2025/2026.

  • 19°C maximum daytime temperature in January in Arizona (Phoenix)19
    19°C max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in January in Arizona (Phoenix)4
    4 days with some rainfall
  • 4°C minimum night-time temperature in January in Arizona (Phoenix)4
    4°C min night temperature
  • 10 hours of daylight per day in January in Arizona (Phoenix)10
    10 hours of daylight per day
  • No heat & humidity in January in Arizona (Phoenix)0
    No heat & humidity
  • 24 mm monthly rainfall in January in Arizona (Phoenix)24
    24 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Arizona (Phoenix)3
    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.

Top Arizona destinations

Below are average maximum temperatures at popular countries, regions and places in Arizona in January. Select a holiday destination to see more weather parameters.

All Arizona destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Arizona

How hot is it in Arizona in January?

Daytime temperatures usually reach 19°C in Phoenix, Arizona in January, falling to 4°C at night.

How sunny is it in Arizona in January?

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

Does it ever rain in Arizona in January?

There are usually 4 days with some rain in Phoenix, Arizona in January and the average monthly rainfall is 24mm.

Arizona January sunrise & sunset times

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

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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