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
In May, the average high-temperature marginally rises from an enjoyable 66.7°F (19.3°C) in April to a warm 75.4°F (24.1°C). In Hecla, May nights witness a steady temperature drop to a mild 58.6°F (14.8°C).Humidity
With an average relative humidity of 81%, May is the most humid month in Hecla.Rainfall
In Hecla, in May, during 16.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 145.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
In Hecla, snow does not fall in May through October.Daylight
In May, the average length of the day in Hecla is 14h and 11min.On the first day of May, sunrise is at 5:54 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:04 pm CDT.
Sunshine
In Hecla, Kentucky, the average sunshine in May 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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total 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
What is the average May temperature in Hecla?
What is the most humid month in Hecla?
What is the average humidity in May in Hecla?
How much does it rain in Hecla in May?
When it does not snow in Hecla?
Does it snow in Hecla in May?
How many hours of daylight does Hecla have in May?
When are sunrise and sunset in May in Hecla?
How many hours of sunshine does Hecla have in May?
When is the highest UV index in Hecla?
How high is the UV index in May in Hecla?
Average temperature in May
Hecla, KY
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in May
Hecla, KY
- 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
Hecla, KY
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Hecla, KY
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Hecla, KY
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is June (2.4").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in May
Hecla, KY
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8 days).
Average snowfall in May
Hecla, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Hecla, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Hecla, 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 June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Hecla, KY
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in May
Hecla, 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
Hecla, KY
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Hecla, KY
- 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).
Hecla, Kentucky, USA
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