Flagstaff weather in May 2025

Expect 20°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Flagstaff in May. Check more long-term weather averages for Flagstaff in May before you book your next holiday to Arizona in 2025/2026.

  • 20°C maximum daytime temperature in May in Flagstaff20
    20°C max day temperature
  • 12 hours of sunshine per day
  • 4 days with some rainfall in May in Flagstaff4
    4 days with some rainfall
  • -2°C minimum night-time temperature in May in Flagstaff-2
    -2°C min night temperature
  • 14 hours of daylight per day in May in Flagstaff14
    14 hours of daylight per day
  • No heat & humidity in May in Flagstaff0
    No heat & humidity
  • 19 mm monthly rainfall in May in Flagstaff19
    19 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Flagstaff10
    10 (Very High) UV index

More about Flagstaff

Flagstaff by month

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

Recommended for Arizona

Marriott discount code: up to 20% off long hotel stays

  • Save up to 20% when you book long stays with Marriott
  • 20% off - 4-6 nights, 15% off 3 nights
  • Book participating hotels in Europe, the Middle East & Africa
Show discount codeShow discount code ******UK8
Redeem Marriott discount code >>

View all Marriott offers

The May weather guide for Arizona (Flagstaff) 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 Flagstaff in May?

Daytime temperatures usually reach 20°C in Flagstaff in May, falling to -2°C at night.

How sunny is it in Flagstaff in May?

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

Does it rain in Flagstaff in May?

There are usually 4 days with some rain in Flagstaff in May and the average monthly rainfall is 19mm.

Flagstaff May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:35 19:13
Friday, 16th May 2025 05:22 19:25
Saturday, 31st May 2025 05:14 19:36

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^