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
As May sets, the average high-temperature shows an increase, moving up from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.1°F (23.4°C). The nighttime temperature in Roxana dips to a fresh 52.9°F (11.6°C) on average during May.Humidity
In Roxana, Kentucky, the average relative humidity in May is 79%.Rainfall
In May, in Roxana, Kentucky, the rain falls for 20.8 days. Throughout May, 3.86" (98mm) of precipitation is accumulated. In Roxana, during the entire year, the rain falls for 195.8 days and collects up to 40.35" (1025mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Roxana. May is the last month it regularly snows in Roxana. During 0.1 snowfall days, in May, Roxana aggregates 0.04" (1mm) of snow. In Roxana, Kentucky, during the entire year, snow falls for 38.6 days and aggregates up to 19.29" (490mm) of snow.Daylight
In Roxana, Kentucky, the average length of the day in May is 14h and 10min.On the first day of May, sunrise is at 6:36 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:45 pm EDT.
Sunshine
In Roxana, the average sunshine in May is 9h.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 hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Roxana?
What is the average humidity in May in Roxana?
How many days does it rain in May in Roxana?
What is the last month it snows in Roxana?
How many hours of daylight does Roxana have in May?
When are sunrise and sunset in May in Roxana?
How many hours of sunshine does Roxana have in May?
When is the highest UV index in Roxana?
What is the UV index intensity in May in Roxana?
Average temperature in May
Roxana, KY
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in May
Roxana, KY
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Roxana, KY
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Roxana, KY
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Roxana, KY
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in May
Roxana, KY
- Average rainfall days in May: 20.8 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in May
Roxana, KY
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Roxana, KY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Roxana, 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 42min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Roxana, KY
- Average sunshine days in May: 8 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).
Average UV index in May
Roxana, 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, November and December (UV index 2).
Average cloud cover in May
Roxana, KY
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Roxana, KY
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Roxana, Kentucky, USA
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