Historic Hotel Monte Vista in downtown Flagstaff

Weather · May

Flagstaff weather in May

Average highs of 68°F, lows of 35°F and 0.80 in of rain, from 30 years of weather records.

May is Flagstaff’s 5th warmest month, with average highs of 68°F and lows of 35°F. That is 9° warmer than April, and 6° above the yearly average high.

Average high
68°F
Average low
35°F
Precipitation
0.80 in
Wet days
5
Snow
1.1 in
Sunrise · sunset
5:22 AM · 7:23 PM

May across the year

  1. 43°18°Jan
  2. 46°20°Feb
  3. 52°24°Mar
  4. 59°28°Apr
  5. 68°35°May
  6. 79°43°Jun
  7. 82°51°Jul
  8. 79°51°Aug
  9. 74°43°Sep
  10. 64°32°Oct
  11. 52°23°Nov
  12. 43°17°Dec

High and low Rain

What to wear in May

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.

May is good for

Around Flagstaff

Biffs Bagels on Beaver St Flagstaff AZ
Biffs Bagels on Beaver St Flagstaff AZ 2026-04-07 08-27-27G. Edward Johnson · CC BY 4.0
Babbitt Bros Building Flagstaff AZ
Babbitt Bros Building Flagstaff AZ 2026-04-07 08-40-26G. Edward Johnson · CC BY 4.0
Flagstaff-Rickets and Brooks Building-1911
Flagstaff-Rickets and Brooks Building-1911Marine 69-71 · CC BY-SA 4.0

See Flagstaff

A look around town before you go.

May compared with the months around it

MonthHighLowRain
April59°F28°F0.90 in
May68°F35°F0.80 in
June79°F43°F0.30 in

Planning a trip? See the best time to visit Flagstaff and today’s forecast.

Questions

How hot does it get in Flagstaff in May?

Average highs are 68°F and average lows 35°F, for a daily mean of 51°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Flagstaff in May?

May averages 0.80 in of precipitation over about 5 days with at least 0.01 in. It is the 11th wettest month of the year.

Does it snow in Flagstaff in May?

Yes, about 1.1 in of snow on average.

What time is sunset in Flagstaff in May?

Around mid-May the sun rises about 5:22 AM and sets about 7:23 PM, for roughly 14.0 hours of daylight.

Is May a good time to visit Flagstaff?

Yes. May is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, Flagstaff Pulliam Ap station (3.6 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.

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