May weather forecast
Maricopa, AZ

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Weather in May

May marks the official arrival of summer in Maricopa with noticeably warmer days. The month holds a distinctive position, being one of the sunniest months of the year, owing to less cloud coverage. May witnesses the least rainfall, merely 0.08in, announcing the driest spell of the year. The increased temperature, fluctuating from 66.9°F (19.4°C) to 90.5°F (32.5°C), further intensifies the summer experience. As toward the month end, residents anticipate the scorching temperatures of June, the hottest month of the year.

Temperature

The shift from April to May in Maricopa introduces a subtle increase in the average high-temperature, moving from a moderately hot 82.8°F (28.2°C) to a tropical 90.5°F (32.5°C). Throughout May nights, a significant departure from daytime temperatures, with an average low of 66.9°F (19.4°C), is recognized in Maricopa.

Humidity

In Maricopa, the average relative humidity in May is 19%.

Rainfall

The months with the least rainfall are May and June Rain falls for 1.7 days and accumulates 0.08" (2mm) of rain.

Daylight

In May, the average length of the day in Maricopa is 13h and 53min.
On the first day of May in Maricopa, sunrise is at 5:39 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 7:31 pm MST.

Sunshine

The average sunshine in May in Maricopa, Arizona, is 11.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 8 translates into the following recommendations:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

How hot does it get in Maricopa in May?

During May, Maricopa experiences an average high-temperature of 90.5°F (32.5°C) and a low-temperature of 66.9°F (19.4°C).

What is the average humidity in May in Maricopa?

The average relative humidity in May in Maricopa, Arizona, is 19%.

What is the driest month in Maricopa?

May and June are months with the least rain when the rain falls for 1.7 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in Maricopa in May?

In Maricopa, during May, the rain falls for 1.7 days and regularly aggregates up to 0.08" (2mm) of precipitation.

What is the average length of the day in May in Maricopa?

In Maricopa, Arizona, the average day length in May is 13h and 53min.

When is the sunrise / sunset in May in Maricopa?

In May, on the first day of the month, sunrise is at 5:39 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 7:31 pm MST.

How long on average sun shines in May in Maricopa?

In May, the average sunshine duration is 11.9h.

What is the month with the highest UV index in Maricopa?

The months with the highest UV index are May through August, with an average maximum UV index of 8.

How high is the UV index in May in Maricopa?

In Maricopa, Arizona, the average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Maricopa, AZ

Average temperature in May - Maricopa, AZ
  • Average high temperature in May: 90.5°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in May: 66.9°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in May
Maricopa, AZ

Average pressure in May - Maricopa, AZ
  • Average pressure in May: 29.84"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

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Average wind speed in May
Maricopa, AZ

Average wind speed in May - Maricopa, AZ
  • Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

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Average humidity in May
Maricopa, AZ

Average humidity in May - Maricopa, AZ
  • Average humidity in May: 19%

The months with the highest relative humidity are January and December (44%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in May
Maricopa, AZ

Average rainfall in May - Maricopa, AZ
  • Average rainfall in May: 0.08"

The wettest month (with the highest rainfall) is July (1.02").
The driest months (with the least rainfall) are May and June (0.08").

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Average rainfall days in May
Maricopa, AZ

Average rainfall days in May - Maricopa, AZ
  • Average rainfall days in May: 1.7 days

The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.2 days).

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Average daylight in May /
Average sunshine in May
Maricopa, AZ

Average daylight in May / Average sunshine in May - Maricopa, AZ
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in May
Maricopa, AZ

Average sunshine days in May - Maricopa, AZ
  • Average sunshine days in May: 28.8 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.4 days).

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Average UV index in May
Maricopa, AZ

Average UV index in May - Maricopa, AZ
  • Average UV index in May: 8

The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Maricopa, AZ

Average cloud cover in May - Maricopa, AZ
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Maricopa, AZ

Average visibility in May - Maricopa, AZ
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Maricopa, Arizona, USA

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