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Weather in Phoenix for May 2025

Your guide to Phoenix weather in May - trends and predictions
  • In general, the average temperature in Phoenix at the beginning of May is 30.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 36.1 °F by the end of May.

  • Precipitation in Phoenix during May is a rare event, with an average of fewer than 2 rainy days.

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Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/21°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
17 %
Avg humidity

Phoenix in May average weather

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Temperatures trend during May in Phoenix

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Overcast
Overcast
34° /22° 0 mm 8
May 2 Sunny
Sunny
32° /20° 0 mm 8
May 3 Partly cloudy
Partly cloudy
32° /21° 0 mm 8
May 4 Cloudy
Cloudy
29° /19° 0 mm 7
May 5 Sunny
Sunny
28° /18° 0 mm 7
May 6 Sunny
Sunny
29° /17° 0 mm 8
May 7 Partly cloudy
Partly cloudy
32° /20° 0 mm 8
May 8 Sunny
Sunny
32° /20° 0 mm 8
May 9 Sunny
Sunny
33° /20° 0 mm 9
May 10 Sunny
Sunny
29° /18° 0 mm 8
May 11 Sunny
Sunny
32° /19° 0 mm 8
May 12 Sunny
Sunny
34° /22° 0 mm 8
May 13 Sunny
Sunny
36° /22° 0 mm 9
May 14 Sunny
Sunny
36° /23° 0 mm 9
May 15 Sunny
Sunny
36° /23° 0 mm 9
May 16 Heavy rain at times
Heavy rain at times
36° /24° 1 mm 8
May 17 Sunny
Sunny
37° /23° 0.3 mm 9
May 18 Patchy rain possible
Patchy rain possible
36° /26° 0.1 mm 9
May 19 Moderate or heavy rain shower
Moderate or heavy rain shower
35° /24° 1 mm 8
May 20 Sunny
Sunny
35° /22° 0.7 mm 8
May 21 Sunny
Sunny
34° /21° 0 mm 9
May 22 Sunny
Sunny
36° /23° 0 mm 9
May 23 Sunny
Sunny
36° /23° 0 mm 9
May 24 Sunny
Sunny
36° /23° 0 mm 9
May 25 Sunny
Sunny
34° /21° 0 mm 9
May 26 Sunny
Sunny
35° /22° 0 mm 9
May 27 Sunny
Sunny
36° /23° 0 mm 9
May 28 Sunny
Sunny
38° /23° 0 mm 9
May 29 Sunny
Sunny
37° /24° 0 mm 9
May 30 Sunny
Sunny
37° /24° 0 mm 9
May 31 Patchy rain possible
Patchy rain possible
36° /23° 0.1 mm 8
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Important Notice
Our weather forecast for Phoenix 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 Phoenix forecast closer to your planned date for the most up-to-date weather information.

Phoenix in May - FAQ

What are the expected maximum and minimum temperatures in Phoenix during May?
With daytime temperatures soaring above 35° and not dropping much below 21° at night, May in Phoenix is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Phoenix during May?
Rainfall in Phoenix during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Phoenix during May?
The average wind speed in Phoenix during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Phoenix

Explore the daily rainfall trends and prepare for Phoenixs May weather 💧

UV exposure in Phoenix during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Phoenix?

Get accurate weather forecasts for Phoenix, located at latitude 33.448 and longitude -112.074. Stay updated with localized weather information tailored for Phoenix.

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