Arizona weather in May 2025

Expect 34°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Arizona in May. Check more long-term weather averages for Arizona in May before you book your next holiday to Arizona in 2025/2026.

  • 34°C maximum daytime temperature in May in Arizona (Phoenix)34
    34°C max day temperature
  • 13 hours of sunshine per day
  • 1 day with some rainfall in May in Arizona (Phoenix)1
    1 day with some rainfall
  • 16°C minimum night-time temperature in May in Arizona (Phoenix)16
    16°C min night temperature
  • 14 hours of daylight per day in May in Arizona (Phoenix)14
    14 hours of daylight per day
  • High heat & humidity in May in Arizona (Phoenix)H
    High heat & humidity
  • 4 mm monthly rainfall in May in Arizona (Phoenix)4
    4 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Arizona (Phoenix)10
    10 (Very High) UV index

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The May 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 May. 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 May?

Daytime temperatures usually reach 34°C in Phoenix, Arizona in May with high heat and humidity, falling to 16°C at night.

How sunny is it in Arizona in May?

There are normally 13 hours of bright sunshine each day in Phoenix, Arizona in May - that's 93% of daylight hours.

Does it ever rain in Arizona in May?

There is usually 1 day with some rain in Phoenix, Arizona in May and the average monthly rainfall is 4mm.

Arizona May sunrise & sunset times

Browse the sunrise and sunset times for Arizona in May 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
Thursday, 1st May 2025 05:40 19:12
Friday, 16th May 2025 05:27 19:23
Saturday, 31st May 2025 05:20 19:33

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