May weather forecastDefiance, KY
May
Weather in May
The last month of the spring, May, is a moderately hot month in Defiance, Kentucky, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 75°F (23.9°C).Temperature
The start of May signals an increase in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) in April to a warm 75°F (23.9°C). Defiance's average low-temperature in the month of May is recorded at a fresh 53.8°F (12.1°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Defiance, during May, the rain falls for 18.6 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Defiance, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.Snowfall
In Defiance, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 11min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:22 pm. On the last day of May, sunrise is at 6:13 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 9.3h.UV index
May, June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in May leads to these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Defiance, KY
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Defiance, KY
- Average pressure in May: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Defiance, KY
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Defiance, KY
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Defiance, KY
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Defiance, KY
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Defiance, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Defiance, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.3 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
Defiance, KY
- Average daylight in May: 14h and 12min
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 42min).
- Average sunshine in May: 9h and 18min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Defiance, KY
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Defiance, KY
- Average UV index in May: 6
The months with the highest UV index are May, June 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
Defiance, KY
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Defiance, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
