May weather forecastMount Vernon, IN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Mount Vernon, Indiana, with an average temperature varying between 75.2°F (24°C) and 58.5°F (14.7°C).Temperature
May shows a rise in the average high-temperature, moving from April's enjoyable 65.8°F (18.8°C) to a warm 75.2°F (24°C). Mount Vernon in May anticipates an average nighttime temperature of 58.5°F (14.7°C).Humidity
The months with the highest humidity in Mount Vernon, Indiana, are May and July, with an average relative humidity of 79%.Rainfall
In Mount Vernon, Indiana, in May, during 19.5 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, there are 169.9 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Mount Vernon.Daylight
In May, the average length of the day is 14h and 14min.On the first day of May in Mount Vernon, sunrise is at 5:54 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:07 pm CDT.
Sunshine
In Mount Vernon, the average sunshine in May is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during May translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. 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. 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
Mount Vernon, IN
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in May: 58.5°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 (26.4°F).
Average pressure in May
Mount Vernon, IN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Mount Vernon, IN
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Mount Vernon, IN
- Average humidity in May: 79%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Mount Vernon, IN
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is April (5.28").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Mount Vernon, IN
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in May
Mount Vernon, IN
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Mount Vernon, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.5 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
Mount Vernon, IN
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Mount Vernon, IN
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in May
Mount Vernon, IN
- 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
Mount Vernon, IN
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Mount Vernon, IN
- 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).
