Phoenix

Maricopa County Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Maricopa County, the United States of America in May.

🔎
Phoenix Scottsdale Mesa Chandler

Planning a trip to Maricopa County, the United States of America this May? Here's what you need to know about the weather:

What to Expect in Maricopa County in May

Maricopa County, the United States of America is a region in the United States of America. May in Maricopa County generally has very warm temperatures, with almost no precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 34°C (93°F) and nighttime temperatures around 19°C (66°F) in Phoenix. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

For a closer look at conditions across Maricopa County, the United States of America, refer to the map below.

Precipitation

May is a very dry month with an average rainfall of around 4.9 mm (0.2 in) in Phoenix.

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Phoenix typically receives 401 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Maricopa County by month

Pick a month to see the average temperature, rainfall and sunshine in Maricopa County — and find the best time to visit. (based on Phoenix)

January20°C (68°F) February22°C (72°F) March26°C (79°F) April30°C (86°F) May34°C (93°F) June40°C (104°F) This monthJuly41°C (106°F) August40°C (104°F) September38°C (100°F) October32°C (90°F) November25°C (77°F) December19°C (66°F)
Best Time to Visit Maricopa County →

Best Places to Visit in Maricopa County in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maricopa County.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Maricopa County

What is the weather like in May for some of the most popular destinations in Maricopa County, the United States of America?

Temperature range in Maricopa County (May)

Precipitation variation in Maricopa County (May)

Phoenix

In May Phoenix generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 19°C (66°F) and almost no monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
34°C (93°F)
40°C (104°F)
Min temperature
14°C (57°F)
19°C (66°F)
25°C (77°F)
Monthly sun hours
353 hours
401 hours
407 hours
Monthly rainfall
4.5 mm (0.2 in)
4.9 mm (0.2 in)
1.3 mm (0.1 in)
Monthly rainy days
2 days
a single day
0 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Phoenix →

Scottsdale

In May Scottsdale generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
34°C (93°F)
40°C (104°F)
Min temperature
14°C (57°F)
18°C (64°F)
24°C (75°F)
Monthly sun hours
353 hours
398 hours
407 hours
Monthly rainfall
5 mm (0.2 in)
6.2 mm (0.2 in)
1.5 mm (0.1 in)
Monthly rainy days
2 days
a single day
a single day
Weather conditions
perfect
pleasant
unpleasant
Climate in Scottsdale →

Mesa

In May Mesa generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
34°C (93°F)
40°C (104°F)
Min temperature
13°C (55°F)
18°C (64°F)
23°C (73°F)
Monthly sun hours
353 hours
398 hours
407 hours
Monthly rainfall
3.9 mm (0.2 in)
5.8 mm (0.2 in)
0.8 mm (0.03 in)
Monthly rainy days
a single day
a single day
0 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Mesa →

Chandler

In May Chandler generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
34°C (93°F)
40°C (104°F)
Min temperature
13°C (55°F)
17°C (63°F)
23°C (73°F)
Monthly sun hours
353 hours
398 hours
407 hours
Monthly rainfall
4.5 mm (0.2 in)
5.4 mm (0.2 in)
1.2 mm (0.05 in)
Monthly rainy days
a single day
a single day
a single day
Weather conditions
perfect
pleasant
unpleasant
Climate in Chandler →

Glendale

In May Glendale generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 18°C (64°F) and almost no monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
34°C (93°F)
40°C (104°F)
Min temperature
14°C (57°F)
18°C (64°F)
24°C (75°F)
Monthly sun hours
353 hours
401 hours
407 hours
Monthly rainfall
4.1 mm (0.2 in)
4.2 mm (0.2 in)
1.3 mm (0.1 in)
Monthly rainy days
2 days
a single day
a single day
Weather conditions
perfect
pleasant
unpleasant
Climate in Glendale →

Is your destination not in the list? Have a look at all destinations in Maricopa County, in the United States of America.

Popular cities in May

Day & night temperatures, rainfall and average weather in Maricopa County in May.

City Weather Day temp Night temp Rainfall
Phoenix 34°C (93°F) 19°C (66°F) 4.9 mm (0.2 in)
Scottsdale 34°C (93°F) 18°C (64°F) 6.2 mm (0.2 in)
Mesa 34°C (93°F) 18°C (64°F) 5.8 mm (0.2 in)
Chandler 34°C (93°F) 17°C (63°F) 5.4 mm (0.2 in)
Glendale 34°C (93°F) 18°C (64°F) 4.2 mm (0.2 in)
Gilbert 34°C (93°F) 17°C (63°F) 5.6 mm (0.2 in)

Maricopa County weather in May: frequently asked questions

What is the weather like in Maricopa County, the United States of America in May?

Expect poor weather across Maricopa County, the United States of America in May. The popular destination of Phoenix averages 34°C (93°F) by day and 19°C (66°F) at night during this month.

What is the average temperature in Maricopa County, the United States of America in May?

Daytime temperatures in Phoenix peak at roughly 34°C (93°F) in May, dropping to about 19°C (66°F) overnight.

Does Maricopa County, the United States of America get a lot of rain in May?

Rain is generally moderate to light in Maricopa County, the United States of America during May, with Phoenix averaging close to 4.9 mm (0.2 in).

Is May a Good Time to Visit Maricopa County, the United States of America?

Given the typically pleasant weather conditions in Phoenix, May may not be the ideal time to visit Maricopa County, the United States of America.

Generally speaking, January, February, March, November and December provide perfect weather in Phoenix. In contrast, May, June, July, August and September tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Maricopa County.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Yosemite National Park is definitely worth a visit

Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →