May weather forecastPeoria, AZ
May
Weather in May
As Peoria steps into May, summer's playful carefreeness begins to permeate the environment. The frequency of sunlight-soaked days showcases the changing landscape due to the warming temperatures. The scorching sun, coupled with only 0.12" (3mm) of rainfall on average, demands a shift from spring's mild hues to summer's dramatic color palette. With the lowest cloud percentage for the year at 8%, clear, undisturbed blue skies dominate the scenery, setting the stage for bright, sunlit days. Complementing these conditions, a calm yet pronounced wind flow establishes a unique and gentle rhythm distinct to May.Temperature
May's arrival signals a subtle increase in average high-temperatures, moving from April's warm 82°F (27.8°C) to a tropical 89.2°F (31.8°C). Peoria sees a major change from daytime highs, with the nighttime temperature dipping to a refreshing 66°F (18.9°C) on average during May.Humidity
In May, the average relative humidity in Peoria is 19%.Rainfall
In Peoria, in May, during 2.3 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in Peoria, there are 59.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Daylight
In Peoria, the average length of the day in May is 13h and 55min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:12 pm. On the last day of May, 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 in Peoria is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 7 during May translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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
Peoria, 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).
