Phoenix Weather in May: Temperature, Precipitation, Wind

Temperature
28.4°C
83.1°F
High temperature
34.7°C
94.4°F
Low temperature
21.6°C
70.8°F
Feels like
27.2°C
81°F
Rainy days
2 days
Rainfall level
0.01mm
0 inch
Cloud coverage
27.7%
Wind speed
26km/h
16.1mph
Daylight time
13:53:50
UV index
9.7
1
partly cloudy day
28.5°C
83.0°F
2
partly cloudy day
25.9°C
79.0°F
3
partly cloudy day
25.9°C
79.0°F
4
partly cloudy day
22.7°C
73.0°F
5
clear day
21.7°C
71.0°F
6
partly cloudy day
23.6°C
74.0°F
7
partly cloudy day
25.1°C
77.0°F
8
clear day
26.6°C
80.0°F
9
clear day
27.1°C
81.0°F
10
partly cloudy day
22.6°C
73.0°F
11
clear day
24.4°C
76.0°F
12
clear day
27.8°C
82.0°F
13
partly cloudy day
29.5°C
85.0°F
14
partly cloudy day
31.0°C
88.0°F
15
partly cloudy day
32.7°C
91.0°F
16
partly cloudy day
32.7°C
91.0°F
17
rain
31.4°C
89.0°F
18
rain
29.6°C
85.0°F
19
partly cloudy day
26.8°C
80.0°F
20
partly cloudy day
28.8°C
84.0°F
21
partly cloudy day
31.4°C
89.0°F
22
clear day
32.2°C
90.0°F
23
clear day
32.1°C
90.0°F
24
clear day
31.1°C
88.0°F
25
clear day
30.7°C
87.0°F
26
clear day
29.7°C
85.0°F
27
clear day
29.6°C
85.0°F
28
clear day
30.1°C
86.0°F
29
clear day
30.8°C
87.0°F
30
clear day
30.4°C
87.0°F
31
clear day
27.5°C
82.0°F

Phoenix, Arizona experiences a hot desert climate in May, characterized by soaring temperatures and minimal precipitation. The average temperature during this month reaches 28.4°C (83.1°F), with daytime highs climbing to 34.7°C (94.4°F) and nighttime lows dropping to 21.6°C (70.8°F).

Humidity levels in Phoenix remain low throughout May, averaging just 20.6%. The arid conditions contribute to the stark difference between daytime and nighttime temperatures. Despite the intense heat, the “feels like” temperature averages 27.2°C (81.0°F), lower than the actual temperature due to the dry air.

Precipitation is scarce in Phoenix during May, with an average of only 0.01 mm (0.0004 inches) of rainfall. The probability of precipitation on any given day is a mere 6.5%, resulting in an average of just two rainy days throughout the month. Clear skies dominate, with an average cloud cover of 27.7%.

Wind patterns in Phoenix during May are notable, with average wind speeds of 26.0 km/h (16.2 mph) and gusts reaching up to 43.2 km/h (26.8 mph). The combination of strong winds and low humidity increases the risk of dust storms, a common occurrence in the desert landscape.

UV index levels in Phoenix are extremely high in May, averaging 9.7 on the scale. Visitors and residents must take precautions to protect themselves from the intense solar radiation. Popular outdoor attractions like Camelback Mountain and the Desert Botanical Garden are best enjoyed during early morning hours to avoid the peak heat of the day.

Sunrise in Phoenix occurs around 5:28 AM in May, while sunset takes place at approximately 7:22 PM, providing ample daylight hours for outdoor activities. The long days contribute to the accumulation of heat throughout the month, making Phoenix one of the hottest cities in the United States during this time of year.

What is the temperature in Phoenix in May?

Average air temperature in Phoenix is 28.4°C (83.1°F) in May. The outside temperature in Phoenix feels like 27.2°C (81°F) on a typical May day. The highest average temperature during sunny days is 34.7°C (94.4°F) and feels like 32.4°C (90.3°F). The lowest average temperature after dark is 21.6°C (70.8°F) which feels like 21.5°C (70.8°F).

How hot is Phoenix in May?

The hot temperature in May in Phoenix rises to 39.7°C (103.5°F) on sunny days with low cloud coverage and 20.6% humidity. During hottest days of May it feels like 37.4 °C (99.3°F). The average maximum temp in Phoenix is 34.7°C (99.3°F) during day time in May.

How cold is Phoenix in May?

The coldest temp in Phoenix in May drops to 16.5°C (61.7°F) during the cold nights. With 26km/h (16.1mph) winds and 20.6% humidity it feels like 16.5°C (61.7°F) on the coldest nights. The average minimum temperature is 21.6°C (70.8°F) during night time in May.

Does it rain in Phoenix in May?

Yes, it rains for 2 days in Phoenix, United States in May averaging 0.01 mm of precipitation. Phoenix has a 6.5% chance for rain throughout the entire month of May.

How much does it rain in Phoenix throughout May?

Phoenix has 0.01 mm (0 inch) of rain per day on average in May. It rains for an average of 2 days out of the entire month.

Is Phoenix windy in May?

The average speed of wind in Phoenix, United States during May is 26km/h (16.1mph) and average windgust is 43.2km/h (26.9mph). On some days in May wind can reach up to 40.8km/h (25.4mph).

What is the direction of the wind in Phoenix in May?

Most days of May the wind is blowing from South-Southwest direction in Phoenix.

What are the humidity levels in Phoenix in May?

The average humidity levels in Phoenix in May are 20.6%. Daily humidity levels in Phoenix range from 12.8% to 41.8% during May.

How many hours of daylight are in Phoenix in May?

Phoenix has 13 hours 53 minutes of daylight in May on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Phoenix in May is at 5:28:22 and the sunset is at 19:22:12.

What is the cloud coverage in Phoenix in May?

Clouds cover 27.7% of the sky on average throughout May in Phoenix. The cloud coverage ranges from 0% to 79.2% depending on the day of the month.

What is the UV level in May in Phoenix?

The average UV index in Phoenix is 9.7 in May. UV levels change throughout the month and range from 8 to 10.

What is the solar radiation in Phoenix in May?

The average solar radiation is 325.7 W/m2 (Watts per square meter) in Phoenix during May. However solar radiation levels change throughout the month and range from 209.5 W/m2 to 353.7 W/m2.

What is the solar energy during May in Phoenix?

The average solar energy during May in Phoenix is 28.2 MJ/m2 (megajoules per square metre). Solar energy ranges from 18.1 MJ/m2, to 30.7 MJ/m2 during May.

Are there severe weather risks in Phoenix in May?

Yes, there is a 10% risk for severe weather in Phoenix, United States in May.

What is the air pressure in Phoenix in May?

On average the air pressure in Phoenix in May is 1008.2 mb (millibars). Throughout the month the sea level pressure ranges from 1003 mb to 1013.1 mb.

What is the visibility in Phoenix in May?

The average daylight visibility in Phoenix in May is 15.9 km (9.9 miles). Depending on the precipitation the visibility ranges from 15.7 km (9.8 miles) to 16 km (9.9 miles) throughout May.

What is the dew point in Phoenix in May?

The average dew point in Phoenix during May is 2.1°C (35.8°F).

Where is the data for Phoenix climate in May coming from?

The climate data for Phoenix, Arizona, United States in May is collected from the following weather stations.

  • PHOENIX AIRPORT, AZ US
  • PHOENIX DEER VALLEY MUNICIPAL AIRPORT, AZ US
  • SCOTTSDALE MUNICIPAL AIRPORT, AZ US
  • Phoenix Encanto AZ US AZMET
  • KDVT
  • KPHX
  • KSDL
  • Durango Complex AZ US AZ ALERT
  • Kay AZ US SRP
  • Arcadia AZ US SRP