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 introduces a minor temperature shift, with average high-temperatures adjusting from April's agreeable 73°F (22.8°C) to a warm 80.4°F (26.9°C). The nighttime temperature, during May, averages of 63.5°F (17.5°C).Humidity
The most humid month is May, with an average relative humidity of 76%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 3.94" (100mm) of precipitation is accumulated. In McKinney, Texas, during the entire year, the rain falls for 144.7 days and collects up to 33.54" (852mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in May is 13h and 53min.On the first day of May in McKinney, sunrise is at 6:37 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:30 pm CDT.
Sunshine
In McKinney, Texas, the average sunshine in May is 8.7h.UV index
In McKinney, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in May transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in McKinney?
What is the most humid month in McKinney?
What is the average humidity in May in McKinney?
How many days does it rain in May in McKinney?
When it does not snow in McKinney?
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?
How high is the UV index in May in McKinney?
Average temperature in May
McKinney, TX
- Average high temperature in May: 80.4°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in May: 63.5°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
McKinney, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
McKinney, TX
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in May
McKinney, TX
- Average humidity in May: 76%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
McKinney, TX
- Average rainfall in May: 3.94"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in May
McKinney, TX
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
McKinney, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
McKinney, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
McKinney, TX
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
McKinney, TX
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in May
McKinney, TX
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in May
McKinney, TX
- Average cloud cover in May: 36
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
McKinney, TX
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
McKinney, Texas, USA
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