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's arrival brings a slight change in high-temperatures, adjusting from an enjoyable 66.4°F (19.1°C) in April to a moderately hot 75°F (23.9°C). In Saint Mary, the expected average low-temperature for May is a mild 56.3°F (13.5°C).Humidity
The average relative humidity in May is 79%.Rainfall
In May, in Saint Mary, Kentucky, the rain falls for 17.4 days. Throughout May, 3.07" (78mm) of precipitation is accumulated. In Saint Mary, during the entire year, the rain falls for 163.3 days and collects up to 32.09" (815mm) of precipitation.Snowfall
In Saint Mary, snow does not fall in May through September.Daylight
In Saint Mary, the average length of the day in May is 14h and 13min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:31 pm. On the last day of May, sunrise is at 6:21 am and sunset at 8:56 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the temperature in May in Saint Mary?
What is the average humidity in May in Saint Mary?
How many days does it rain in May in Saint Mary?
When it does not snow in Saint Mary?
Does it snow in Saint Mary in May?
What is the average length of the day in May in Saint Mary?
When is the sunrise / sunset in May in Saint Mary?
How many hours of sunshine does Saint Mary have in May?
What are the months with the highest UV index in Saint Mary?
What is the UV index reading in May in Saint Mary?
Average temperature in May
Saint Mary, KY
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in May
Saint Mary, KY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Saint Mary, KY
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Saint Mary, 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 (75%).
Average rainfall in May
Saint Mary, KY
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Saint Mary, KY
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in May
Saint Mary, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Mary, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 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
Saint Mary, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Saint Mary, KY
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Saint Mary, 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, November and December (UV index 2).
Average cloud cover in May
Saint Mary, KY
- Average cloud cover in May: 41
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Saint Mary, KY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Saint Mary, Kentucky, USA
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