May weather forecastGilbert, AZ
May
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
Average daylight in May /
Average sunshine in May
Gilbert, AZ
- Average daylight in May: 13h and 54min
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 54min
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).
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).
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).
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).
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).
