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
A subtle rise in the average high-temperature is observed during May, adjusting from a comfortable 66.2°F (19°C) in April to a warm 75°F (23.9°C). Throughout May, the nighttime temperature averages to a refreshing 56.1°F (13.4°C).Humidity
In McKinney, the average relative humidity in May is 79%.Rainfall
In McKinney, during May, the rain falls for 18.7 days and regularly aggregates up to 3.5" (89mm) of precipitation. In McKinney, during the entire year, the rain falls for 176.6 days and collects up to 39.37" (1000mm) of precipitation.Snowfall
May through October are months without snowfall in McKinney.Daylight
In McKinney, Kentucky, the average length of the day in May is 14h and 12min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:29 pm. On the last day of May, sunrise is at 6:19 am and sunset at 8:54 pm EDT.
Sunshine
The average sunshine in May in McKinney is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in McKinney in May?
What is the average humidity in May in McKinney?
How much does it rain in McKinney in May?
When it does not snow in McKinney?
Does it snow in McKinney in May?
How many hours of daylight does McKinney have in May?
When is the sunrise / sunset in May in McKinney?
How many hours of sunshine does McKinney have in May?
What is the month with the highest UV index in McKinney?
How high is the UV index in May in McKinney?
Average temperature in May
McKinney, 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 (39.7°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
McKinney, KY
- Average pressure in May: 30"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
McKinney, 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 month (with the lowest average wind speed) is August (5mph).
Average humidity in May
McKinney, KY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (76%).
Average rainfall in May
McKinney, KY
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in May
McKinney, KY
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in May
McKinney, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
McKinney, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.1 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
McKinney, 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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
McKinney, KY
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in May
McKinney, 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
McKinney, KY
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
McKinney, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
McKinney, Kentucky, USA
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