Flagstaff (AZ)
May
Weather in Flagstaff, Arizona for May 2026
Your guide to Flagstaff weather in May - trends and predictions
In general, the average temperature in Flagstaff at the beginning of May is 14.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.4 °F by the end of May.
With an average of 2 rainy days, Flagstaff experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
19°/7°
Temperatures
27 km/h
Avg max wind
29 %
Avg humidity
Flagstaff Weather May
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Temperatures trend during May in Flagstaff
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May weather in Flagstaff day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 17° /7° | 0 mm | 0 cm | |
| May 2 | Sunny | 18° /7° | 0 mm | 0 cm | |
| May 3 | Sunny | 17° /6° | 0 mm | 0 cm | |
| May 4 | Sunny | 15° /5° | 3.4 mm | 0 cm | |
| May 5 |  Patchy rain possible | 8° /2° | 11.2 mm | 2.3 cm | |
| May 6 | Sunny | 10° /0° | 15.1 mm | 4.8 cm | |
| May 7 | Sunny | 14° /3° | 7.5 mm | 0 cm | |
| May 8 | Sunny | 18° /5° | 0 mm | 0 cm | |
| May 9 | Patchy rain possible | 19° /7° | 0 mm | 0 cm | |
| May 10 | Sunny | 19° /8° | 0 mm | 0 cm | |
| May 11 | Patchy rain possible | 19° /9° | 0.3 mm | 0 cm | |
| May 12 | Patchy rain possible | 19° /8° | 0 mm | 0 cm | |
| May 13 | Patchy rain possible | 18° /8° | 0.1 mm | 0 cm | |
| May 14 | Patchy rain possible | 17° /6° | 0.3 mm | 0 cm | |
| May 15 |  Patchy light rain with thunder | 18° /7° | 5.1 mm | 0 cm | |
| May 16 | Patchy light rain with thunder | 18° /7° | 1.3 mm | 0 cm | |
| May 17 |  Partly cloudy | 20° /8° | 0 mm | 0 cm | |
| May 18 |  Overcast | 19° /7° | 0 mm | 0 cm | |
| May 19 | Sunny | 19° /7° | 0 mm | 0 cm | |
| May 20 | Sunny | 21° /7° | 0 mm | 0 cm | |
| May 21 | Sunny | 22° /8° | 0 mm | 0 cm | |
| May 22 | Sunny | 22° /10° | 0 mm | 0 cm | |
| May 23 | Sunny | 21° /9° | 0 mm | 0 cm | |
| May 24 |  Cloudy | 20° /9° | 0 mm | 0 cm | |
| May 25 | Sunny | 19° /8° | 0 mm | 0 cm | |
| May 26 | Sunny | 21° /8° | 0 mm | 0 cm | |
| May 27 | Sunny | 22° /11° | 0 mm | 0 cm | |
| May 28 | Sunny | 25° /12° | 0 mm | 0 cm | |
| May 29 | Sunny | 24° /12° | 0 mm | 0 cm | |
| May 30 | Sunny | 26° /13° | 0 mm | 0 cm | |
| May 31 | Sunny | 27° /14° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Flagstaff in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Flagstaff forecast closer to your planned date for the most up-to-date weather information.
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Flagstaff in May - FAQ
What are the expected maximum and minimum temperatures in Flagstaff during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Flagstaff during May?
Expect minimal rainfall in Flagstaff during May, with a total of 14.3 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Flagstaff during May?
The average wind speed in Flagstaff during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
Flagstaff snow forecast May 2026
Track daily snowfall levels and discover Flagstaff’s snowy potential this May ❄️
May rainfall patterns in Flagstaff
Explore the daily rainfall trends and prepare for Flagstaffs May weather 💧
UV exposure in Flagstaff during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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