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 April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a refreshing 66.6°F (19.2°C) to a moderately hot 75.4°F (24.1°C). During May, the average low-temperature is a moderate 57.6°F (14.2°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Union Star, in May, it is raining for 15.7 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 14.72" (374mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Union Star.Daylight
The average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 5:48 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:02 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during May translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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 Union Star?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Union Star have in May?
When are sunrise and sunset in May in Union Star?
How many hours of sunshine does Union Star have in May?
What are the months with the highest UV index?
How high is the UV index in May in Union Star?
Average temperature in May
Union Star, KY
- Average high temperature in May: 75.4°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 (39.7°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Union Star, 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
Union Star, KY
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Union Star, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Union Star, KY
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in May
Union Star, KY
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is October (8.1 days).
Average snowfall in May
Union Star, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Union Star, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Union Star, KY
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in May
Union Star, KY
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in May
Union Star, 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
Union Star, KY
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Union Star, KY
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Union Star, Kentucky, USA
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