Maricopa County (Phoenix)
May
Weather in Maricopa County for May 2025
Your guide to Maricopa County weather in May - trends and predictions
In general, the average temperature in Maricopa County 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 Maricopa County 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
Maricopa County 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 Maricopa County
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 Maricopa County 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 Maricopa County forecast closer to your planned date for the most up-to-date weather information.
Maricopa County in May - FAQ
What are the expected maximum and minimum temperatures in Maricopa County during May?
With daytime temperatures soaring above 35° and not dropping much below 21° at night, May in Maricopa County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Maricopa County during May?
Rainfall in Maricopa County 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 Maricopa County during May?
The average wind speed in Maricopa County during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Maricopa County
Explore the daily rainfall trends and prepare for Maricopa Countys May weather 💧
UV exposure in Maricopa County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Maricopa County?Get accurate weather forecasts for Maricopa County, located at latitude 33.448 and longitude -112.074. Stay updated with localized weather information tailored for Maricopa County.
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