Grand Canyon weather in May 2025

Expect 25°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Grand Canyon in May. Check more long-term weather averages for Grand Canyon in May before you book your next holiday to Arizona in 2025/2026.

  • 25°C maximum daytime temperature in May in Grand Canyon25
    25°C max day temperature
  • 12 hours of sunshine per day
  • 3 days with some rainfall in May in Grand Canyon3
    3 days with some rainfall
  • 6°C minimum night-time temperature in May in Grand Canyon6
    6°C min night temperature
  • 14 hours of daylight per day in May in Grand Canyon14
    14 hours of daylight per day
  • No heat & humidity in May in Grand Canyon0
    No heat & humidity
  • 23 mm monthly rainfall in May in Grand Canyon23
    23 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Grand Canyon10
    10 (Very High) UV index

More about Grand Canyon

Grand Canyon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Arizona

Zest Car Rental: up to 30% off car hire worldwide

  • Save up to 30% on car hire in Black Friday sale
  • Discount varies by country & travel period
  • Browse exclusive car hire company offers
Go to Zest Car Rental deal >>

Expires at 00:00 on Monday 1st Dec 2025 · View all Zest Car Rental offers

The May weather guide for Arizona (Grand Canyon) 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)

Back to top

More about Arizona

How hot is it in Grand Canyon in May?

Daytime temperatures usually reach 25°C in Grand Canyon in May with no heat and humidity, falling to 6°C at night.

How sunny is it in Grand Canyon in May?

There are normally 12 hours of bright sunshine each day in Grand Canyon in May - that's 84% of daylight hours.

Does it ever rain in Grand Canyon in May?

There are usually 3 days with some rain in Grand Canyon in May and the average monthly rainfall is 23mm.

Grand Canyon May sunrise & sunset times

Browse the sunrise and sunset times for Grand Canyon in May 2025. Select a month to view Grand Canyon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:35 19:16
Friday, 16th May 2025 05:22 19:29
Saturday, 31st May 2025 05:13 19:40

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^