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Weather in Flagstaff, Arizona for May 2026

Your guide to Flagstaff weather in May - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Flagstaff usually enjoys a light touch of snow in May.

  • Temperatures

  • 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.

  • Rain 🌧️

  • With an average of 4 rainy days, Flagstaff experiences minimal rainfall in May.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
4
Rainy days
Average snowy days
2
Snow days
Average temperatures
19°/8°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
32 %
Avg humidity

Flagstaff Weather May

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Temperatures trend during May in Flagstaff

See the weather trend as well as the moving average line

May weather in Flagstaff day by day

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Date Weather Temperatures Rain Snow More
May 1 Sunny
Sunny
17° /7° 0 mm 0 cm
May 2 Sunny
Sunny
18° /7° 0 mm 0 cm
May 3 Sunny
Sunny
17° /6° 0 mm 0 cm
May 4 Sunny
Sunny
15° /5° 3.4 mm 0 cm
May 5 Patchy rain possible
Patchy rain possible
8° /2° 11.2 mm 2.3 cm
May 6 Sunny
Sunny
10° /0° 15.1 mm 4.8 cm
May 7 Sunny
Sunny
14° /3° 7.5 mm 0 cm
May 8 Sunny
Sunny
18° /5° 0 mm 0 cm
May 9 Patchy rain possible
Patchy rain possible
19° /7° 0 mm 0 cm
May 10 Sunny
Sunny
19° /8° 0 mm 0 cm
May 11 Patchy rain possible
Patchy rain possible
19° /9° 0.3 mm 0 cm
May 12 Patchy rain possible
Patchy rain possible
19° /8° 0 mm 0 cm
May 13 Patchy rain possible
Patchy rain possible
18° /8° 0.1 mm 0 cm
May 14 Patchy rain possible
Patchy rain possible
17° /6° 0.3 mm 0 cm
May 15 Patchy light rain with thunder
Patchy light rain with thunder
18° /7° 5.1 mm 0 cm
May 16 Patchy light rain with thunder
Patchy light rain with thunder
18° /7° 1.3 mm 0 cm
May 17 Partly cloudy
Partly cloudy
20° /8° 0 mm 0 cm
May 18 Overcast
Overcast
19° /7° 0 mm 0 cm
May 19 Sunny
Sunny
19° /7° 0 mm 0 cm
May 20 Sunny
Sunny
21° /7° 0 mm 0 cm
May 21 Sunny
Sunny
22° /8° 0 mm 0 cm
May 22 Sunny
Sunny
22° /10° 0 mm 0 cm
May 23 Sunny
Sunny
21° /9° 0 mm 0 cm
May 24 Cloudy
Cloudy
20° /9° 0 mm 0 cm
May 25 Sunny
Sunny
19° /8° 0 mm 0 cm
May 26 Sunny
Sunny
21° /8° 0 mm 0 cm
May 27 Sunny
Sunny
22° /11° 0 mm 0 cm
May 28 Sunny
Sunny
25° /12° 0 mm 0 cm
May 29 Sunny
Sunny
24° /12° 0 mm 0 cm
May 30 Sunny
Sunny
26° /13° 0 mm 0 cm
May 31 Sunny
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.

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 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Flagstaff during May?
In May, Flagstaff can expect light to moderate rainfall, totaling 44.2 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Flagstaff in May 2026?
Flagstaff experiences an average snowfall of 7.1 cm during May, occurring over 2 days.
What are the typical wind conditions in Flagstaff during May?
The average wind speed in Flagstaff during May is 26 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 ☀️

Quick links

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Location coordinates Where is Flagstaff?

Get accurate weather forecasts for Flagstaff, located at latitude 35.198 and longitude -111.651. Stay updated with localized weather information tailored for Flagstaff.

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