May weather forecast
Gilbert, AZ

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Weather in May

May ushers in a preliminary phase of summer in Gilbert, Arizona, with a considerable daily sunshine amounting to a staggering 11.9 hours. The very high temperatures, coupled with relatively stable weather conditions, favour numerous outdoor festivities and events. The increasing sunlight hours signify the nearing peak of summer, with the nights becoming shorter.

Temperature

Gilbert's May weather indicates a minor increase in high-temperatures, edging from April's moderately hot 82°F (27.8°C) to a tropical 90.1°F (32.3°C). Gilbert documents a marked decrease from day to night, with an average low of 66.6°F (19.2°C) throughout May.

Humidity

In May, the average relative humidity is 19%.

Rainfall

In Gilbert, in May, it is raining for 2.3 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, there are 60.2 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Daylight

In Gilbert, the average length of the day in May is 13h and 54min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:10 pm. On the last day of May, in Gilbert, sunrise is at 5:18 am and sunset at 7:31 pm MST.

Sunshine

In Gilbert, the average sunshine in May is 11.9h.

UV index

In Gilbert, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 7 in May translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot does it get in Gilbert in May?

The high-temperature, in May, in Gilbert, records 90.1°F (32.3°C), while the low-temperature is 66.6°F (19.2°C).

What is the average humidity in May in Gilbert?

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

How much does it rain in Gilbert in May?

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

How many hours of daylight does Gilbert have in May?

In Gilbert, Arizona, the average day length in May is 13h and 54min.

What time are sunrise and sunset in May in Gilbert?

On the first day of May in Gilbert, Arizona, sunrise is at 5:38 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 7:31 pm MST.

How long on average sun shines in May in Gilbert?

The average sunshine duration in May in Gilbert is 11.9h.

How high is the UV index in May in Gilbert?

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Gilbert, AZ

Average temperature in May - Gilbert, 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
Gilbert, AZ

Average pressure in May - Gilbert, AZ
  • Average pressure in May: 29.85"Hg

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

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Average wind speed in May
Gilbert, AZ

Average wind speed in May - Gilbert, 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
Gilbert, AZ

Average humidity in May - Gilbert, 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
Gilbert, AZ

Average rainfall in May - Gilbert, 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
Gilbert, AZ

Average rainfall days in May - Gilbert, 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
Gilbert, AZ

Average daylight in May / Average sunshine in May - Gilbert, 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
Gilbert, AZ

Average sunshine days in May - Gilbert, 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
Gilbert, AZ

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

The 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
Gilbert, AZ

Average cloud cover in May - Gilbert, 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
Gilbert, AZ

Average visibility in May - Gilbert, 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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Gilbert, Arizona, USA

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