Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As Perryville enters May, the average high-temperature increases from the a refreshing 66.4°F (19.1°C) of April to a warm 76.1°F (24.5°C). Perryville's temperature drops to an average low of 57.7°F (14.3°C) during the nights of May.Humidity
The most humid month is May, with an average relative humidity of 79%.Rainfall
The wettest months in Perryville are April and May, with an average 1.22" (31mm) of rainfall.Snowfall
April through September are months without snowfall.Daylight
In Perryville, the average length of the day in May is 14h and 13min.On the first day of May, sunrise is at 6:02 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:15 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
What is the rainiest month in Perryville?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Perryville have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Perryville, MO
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Perryville, MO
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Perryville, MO
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
Perryville, MO
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Perryville, MO
- Average rainfall in May: 1.22"
The wettest months (with the highest rainfall) are April and May (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Perryville, MO
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Perryville, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Perryville, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Perryville, MO
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in May
Perryville, MO
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in May
Perryville, MO
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Perryville, MO
- Average cloud cover in May: 37
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Perryville, MO
- 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).
Perryville, Missouri, USA
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