May weather forecastParker, AZ
May
Weather in May
May marks the transition from spring to the beginning of an intensely hot summer in Parker, Arizona. An upward temperature trend continues with high peaks around 90.1°F (32.3°C), appealing to visitors who prefer the heat. This month enjoys extended daylight hours, fewer clouds, and lower pressure levels. With the low humidity and minimal chances of rain, the weather remains dry. Slightly higher wind speeds contribute to air circulation, somewhat easing the high temperatures.Temperature
With the onset of May, Parker's weather sees a minor temperature rise, transitioning from a moderately hot 82.8°F (28.2°C) in April to a tropical 90.1°F (32.3°C). The average low-temperature of 68.4°F (20.2°C) in May represents a significant drop from the daily high.Humidity
In May, the average relative humidity is 19%.Rainfall
The months with the least rainfall are May and June Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.Daylight
In May, the average length of the day is 13h and 58min.On the first day of May, sunrise is at 5:46 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 7:43 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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 7 in May leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Parker, AZ
- Average high temperature in May: 90.1°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in May: 68.4°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in May
Parker, AZ
- Average pressure in May: 29.8"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in May
Parker, AZ
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in May
Parker, AZ
- Average humidity in May: 19%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in May
Parker, AZ
- Average rainfall in May: 0.04"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in May
Parker, AZ
- Average rainfall days in May: 1.2 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in May /
Average sunshine in May
Parker, 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: 11h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in May
Parker, AZ
- Average sunshine days in May: 29.3 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in May
Parker, AZ
- Average UV index in May: 7
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Parker, 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
Parker, 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).
