May weather forecastPowell, AZ
May
Weather in May
May, the last month of the spring in Powell, is a tropical month, with an average temperature ranging between min 67.5°F (19.7°C) and max 88°F (31.1°C).Temperature
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderately hot 80.1°F (26.7°C) to a hot 88°F (31.1°C). In Powell, the average low-temperature during the month of May is a comfortable 67.5°F (19.7°C).Humidity
The average relative humidity in May in Powell, Arizona, is 19%.Rainfall
In Powell, during May, the rain falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 41.8 rainfall days, and 4.21" (107mm) of precipitation is accumulated.Daylight
In Powell, Arizona, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:22 pm. On the last day of May, in Powell, sunrise is at 5:25 am and sunset at 7:45 pm MST.
Sunshine
The average sunshine in May is 12h.UV index
In Powell, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Powell, AZ
- Average high temperature in May: 88°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in May: 67.5°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in May
Powell, AZ
- Average pressure in May: 29.8"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in May
Powell, AZ
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in May
Powell, AZ
- Average humidity in May: 19%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).
Average rainfall in May
Powell, AZ
- Average rainfall in May: 0.12"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Powell, AZ
- Average rainfall days in May: 1.9 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight in May /
Average sunshine in May
Powell, AZ
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 12h and 0min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in May
Powell, AZ
- Average sunshine days in May: 27.8 days
The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in May
Powell, 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
Powell, AZ
- Average cloud cover in May: 8
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in May
Powell, 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).





