Flagstaff weather in May
“Mild and bright — an underrated time to visit.”
Roughly 7 rainy days across the month, on average.
May is one of Flagstaff's most pleasant months, with daytime highs around 20°C (68°F) and cool mornings dropping to 6°C (43°F). Expect about 29mm of rainfall spread across 6–7 rainy days, typically brief afternoon showers. You'll enjoy roughly 13 hours of sunshine daily, making it ideal for outdoor exploration. The elevation of 7,000 feet keeps temperatures moderate compared to lower Arizona valleys.
Spring comes alive in Flagstaff during May. The town hosts the Flagstaff Brewers Festival and sees wildflower blooms across the surrounding forests. Tourist crowds are moderate—busy enough to feel vibrant, but before the peak summer rush. Local culture celebrates the transition from winter, with outdoor patios reopening and hiking trails becoming accessible.
For 2026 travel, May is an excellent choice if you prefer mild weather without extreme heat. Pack layers since mornings and evenings can be crisp, and bring a light rain jacket for afternoon thunderstorms. Hotel availability is good, and prices remain reasonable before summer peaks.
What to pack for Flagstaff in May
May weather in Flagstaff demands layering. Mornings are cool and evenings can dip below 10°C (50°F), while afternoons warm pleasantly. Afternoon thunderstorms are common, so waterproof gear is essential. Choose breathable fabrics that dry quickly.
- Lightweight merino wool base layer
- Fleece pullover or cardigan
- Water-resistant rain jacket
- Comfortable hiking pants or jeans
- Closed-toe hiking boots or trail shoes
What to pack for Flagstaff in May
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Where to stay in Flagstaff
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Flagstaff across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Hiking in Walnut Canyon National Monument, exploring the San Francisco Peaks trails, visiting downtown Flagstaff's shops and breweries, mountain biking on local trails.
May vs. the rest of the year
How this month compares in Flagstaff. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Flagstaff
May is one of the best months to visit Flagstaff — alongside April, June, July. Ten-year climate data confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for FlagstaffOther places with a similar climate right now
Flagstaff in May — FAQ
Q01Is May a good time to visit Flagstaff?
Is May a good time to visit Flagstaff?
Yes — this is one of the best months of the year to visit. In May, Flagstaff averages a high of 20°C (68°F) and a low of 6°C (43°F), with 29mm of rainfall across roughly 7 rainy days.
Q02What is the average temperature in Flagstaff in May?
What is the average temperature in Flagstaff in May?
The average high temperature in Flagstaff during May is 20°C (68°F), with an average low of 6°C (43°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Flagstaff have in May?
How many rainy days does Flagstaff have in May?
Flagstaff averages approximately 7 rainy days in May, with a total monthly rainfall of about 29mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Flagstaff in May?
What should I pack for Flagstaff in May?
For Flagstaff in May, pack layered clothing for changing temperatures, a merino base layer for evenings, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Flagstaff in May?
How crowded is Flagstaff in May?
Tourist crowds in Flagstaff during May are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.