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
Harper's May weather brings a rise in high-temperatures, moving from a refreshing 66.2°F (19°C) in April to a moderately hot 76.3°F (24.6°C). The nighttime temperature during May exhibits a clear drop from daytime highs, settling at a fresh 54.7°F (12.6°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Harper, during May, the rain falls for 18.8 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, there are 178.7 rainfall days, and 34.8" (884mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Harper, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
May through 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 threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May in Harper?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Harper have in May?
What time are sunrise and sunset in May in Harper?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Harper, KY
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Harper, 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
Harper, KY
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Harper, KY
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in May
Harper, KY
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Harper, KY
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in May
Harper, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Harper, KY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harper, KY
- 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Harper, KY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in May
Harper, KY
- 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
Harper, KY
- Average cloud cover in May: 41
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Harper, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Harper, Kentucky, USA
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