Phoenix
May
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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30
Dry days
1
Rainy days
0
Snow days
35°/21°
Temperatures
22 km/h
Avg max wind
17 %
Avg humidity
Phoenix in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2  32° | 3  32° | 4  29° | |||
| 5 28° | 6 29° | 7 32° | 8 32° | 9 33° | 10 29° | 11 32° |
| 12 34° | 13 36° | 14 36° | 15 36° | 16  36° | 17 37° | 18  36° |
| 19  35° | 20 35° | 21 34° | 22 36° | 23 36° | 24 36° | 25 34° |
| 26 35° | 27 36° | 28 38° | 29 37° | 30 37° | 31 36° |
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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 | 34° /22° | 0 mm | 8 | |
| May 2 | Sunny | 32° /20° | 0 mm | 8 | |
| May 3 | Partly cloudy | 32° /21° | 0 mm | 8 | |
| May 4 | Cloudy | 29° /19° | 0 mm | 7 | |
| May 5 | Sunny | 28° /18° | 0 mm | 7 | |
| May 6 | Sunny | 29° /17° | 0 mm | 8 | |
| May 7 | Partly cloudy | 32° /20° | 0 mm | 8 | |
| May 8 | Sunny | 32° /20° | 0 mm | 8 | |
| May 9 | Sunny | 33° /20° | 0 mm | 9 | |
| May 10 | Sunny | 29° /18° | 0 mm | 8 | |
| May 11 | Sunny | 32° /19° | 0 mm | 8 | |
| May 12 | Sunny | 34° /22° | 0 mm | 8 | |
| May 13 | Sunny | 36° /22° | 0 mm | 9 | |
| May 14 | Sunny | 36° /23° | 0 mm | 9 | |
| May 15 | Sunny | 36° /23° | 0 mm | 9 | |
| May 16 | Heavy rain at times | 36° /24° | 1 mm | 8 | |
| May 17 | Sunny | 37° /23° | 0.3 mm | 9 | |
| May 18 | Patchy rain possible | 36° /26° | 0.1 mm | 9 | |
| May 19 | Moderate or heavy rain shower | 35° /24° | 1 mm | 8 | |
| May 20 | Sunny | 35° /22° | 0.7 mm | 8 | |
| May 21 | Sunny | 34° /21° | 0 mm | 9 | |
| May 22 | Sunny | 36° /23° | 0 mm | 9 | |
| May 23 | Sunny | 36° /23° | 0 mm | 9 | |
| May 24 | Sunny | 36° /23° | 0 mm | 9 | |
| May 25 | Sunny | 34° /21° | 0 mm | 9 | |
| May 26 | Sunny | 35° /22° | 0 mm | 9 | |
| May 27 | Sunny | 36° /23° | 0 mm | 9 | |
| May 28 | Sunny | 38° /23° | 0 mm | 9 | |
| May 29 | Sunny | 37° /24° | 0 mm | 9 | |
| May 30 | Sunny | 37° /24° | 0 mm | 9 | |
| May 31 | 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.
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