May weather forecast and climate
Mesa, AZ

The scenic city of Mesa in Arizona, with a view of the famous well-manicured golf course near the Red Mountain range
The scenic city of Mesa in Arizona, with a view of the famous well-manicured golf course near the Red Mountain range

Weather in May

The last month of the spring, May, is a tropical month in Mesa, Arizona, with average temperature fluctuating between 66.6°F (19.2°C) and 90.1°F (32.3°C).

Temperature

In Mesa, the average high-temperature in May marginally rises, from a warm 82°F (27.8°C) in April, to a hot 90.1°F (32.3°C). In May, the average low-temperature is 66.6°F (19.2°C).

Humidity

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

Rainfall

In Mesa, during May, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Mesa, Arizona, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.

Daylight

In Mesa, the average length of the day in May is 13.9h.

Sunshine

The average sunshine in May is 11.9h.

UV index

In Mesa, Arizona, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Mesa?

In Mesa, Arizona, in May, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 66.6°F (19.2°C).

What is the average humidity in May in Mesa?

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

How many days does it rain in May in Mesa?

In May, in Mesa, the rain falls for 2.3 days. Throughout May, 0.12" (3mm) of precipitation is accumulated.

How many hours of daylight does Mesa have in May?

The average length of the day in May in Mesa, Arizona, is 13.9h.

How many hours of sunshine does Mesa have in May?

The average sunshine in May in Mesa is 11.9h.

How high is the UV index in May in Mesa?

In May, the average daily maximum UV index in Mesa, Arizona, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Mesa, AZ

Average temperature in May - Mesa, AZ
  • Average high temperature in May: 90.1°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in May: 66.6°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
Mesa, AZ

Average pressure in May - Mesa, AZ
  • Average pressure in May: 29.85"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in May
Mesa, AZ

Average wind speed in May - Mesa, AZ
  • Average wind speed in May: 6.4mph

The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).

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Average humidity in May
Mesa, AZ

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

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

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Average rainfall in May
Mesa, AZ

Average rainfall in May - Mesa, AZ
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in May
Mesa, AZ

Average rainfall days in May - Mesa, AZ
  • Average rainfall days in May: 2.3 days

The month with the highest number of rainy days is July (10.6 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
Mesa, AZ

Average daylight in May / Average sunshine in May - Mesa, AZ
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 11.9h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in May
Mesa, AZ

Average sunshine days in May - Mesa, AZ
  • Average sunshine days in May: 28.4 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).

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Average UV index in May
Mesa, AZ

Average UV index in May - Mesa, AZ
  • Average UV index in May: 7

Months with the highest UV index are 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
Mesa, AZ

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

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Mesa, AZ

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

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

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