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
May witnesses a subtle temperature ascent, adjusting from a comfortable 66.4°F (19.1°C) in April to a warm 75°F (23.9°C). Rella throughout May, experiences an average nighttime temperature of 54.1°F (12.3°C).Humidity
In Rella, the average relative humidity in May is 79%.Rainfall
In Rella, during May, the rain falls for 19.6 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Rella, Kentucky, during the entire year, the rain falls for 187.5 days and collects up to 40.24" (1022mm) of precipitation.Snowfall
May through September are months without snowfall in Rella.Daylight
In May, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:16 am and sunset at 8:47 pm EDT.
Sunshine
In May, the average sunshine in Rella 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 health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rella in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Rella have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Rella have in May?
What is the month with the highest UV index in Rella?
How high is the UV index in May?
Average temperature in May
Rella, KY
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Rella, 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
Rella, KY
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Rella, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, June, July, August, September and November (77%).
Average rainfall in May
Rella, KY
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in May
Rella, KY
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in May
Rella, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Rella, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.5 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
Rella, KY
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Rella, KY
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Rella, 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
Rella, KY
- Average cloud cover in May: 39
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Rella, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Rella, Kentucky, USA
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