May weather forecast
Glendale, AZ

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The scenic and watery landscape of Glendale town in Arizona
The scenic and watery landscape of Glendale town in Arizona

Weather in May

May sees the desert charm of Glendale in full swing, as the city shifts into its typically hot, dry summer mode. An appreciable surge in temperatures as compared to April aligns with the well-known Arizonian summer. Darkness is shirked off further with an expanded daylight duration stretching to 13.9 hours. Utilizing this abundant sunshine, after-dark activities remain feasible for night owls. With a continued reduction in cloud cover, stargazers find delight in unobstructed nightly celestial observations.

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from a moderately hot 82°F (27.8°C) in April to a tropical 89.2°F (31.8°C). Glendale's average low-temperature of 66°F (18.9°C) in May reflects a significant disparity from the daytime highs.

Humidity

In May, the average relative humidity is 19%.

Rainfall

In May, in Glendale, Arizona, the rain falls for 2.3 days. Throughout May, 0.12" (3mm) of precipitation is accumulated. Throughout the year, in Glendale, there are 59.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 55min.
On the first day of May in Glendale, sunrise is at 5:39 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 7:33 pm MST.

Sunshine

In May, the average sunshine is 11.9h.

UV index

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 7 during May morphs into the following directions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

How hot is May in Glendale?

During May, Glendale experiences an average high-temperature of 89.2°F (31.8°C) and a low-temperature of 66°F (18.9°C).

What is the average humidity in May in Glendale?

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

How much does it rain in Glendale in May?

In Glendale, Arizona, during May, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation.

How many hours of daylight does Glendale have in May?

The average day length in May is 13h and 55min.

What time are sunrise and sunset in May in Glendale?

In May, on the first day of the month, sunrise is at 5:39 am and sunset at 7:12 pm. On the last day of the month, in Glendale, sunrise is at 5:19 am and sunset at 7:33 pm MST.

How many hours of sunshine does Glendale have in May?

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

What is the UV index intensity in May in Glendale?

The average daily maximum UV index in May in Glendale is 7. A UV Index of 6 to 7 symbolizes a high health risk 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
Glendale, AZ

Average temperature in May - Glendale, AZ
  • Average high temperature in May: 89.2°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 (61.9°F).

  • Average low temperature in May: 66°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

Average pressure in May
Glendale, AZ

Average pressure in May - Glendale, 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 (29.8"Hg).

Average wind speed in May
Glendale, AZ

Average wind speed in May - Glendale, AZ
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

Average humidity in May
Glendale, AZ

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

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).

Average rainfall in May
Glendale, AZ

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

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in May
Glendale, AZ

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

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in May / Average sunshine in May - Glendale, 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).

Average sunshine days in May
Glendale, AZ

Average sunshine days in May - Glendale, AZ
  • Average sunshine days in May: 28.6 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).

Average UV index in May
Glendale, AZ

Average UV index in May - Glendale, 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
Glendale, AZ

Average cloud cover in May - Glendale, 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
Glendale, AZ

Average visibility in May - Glendale, 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).

Glendale, Arizona, USA

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