The highest day temperature in May 2023 was 91°F. The lowest night temperature was 56°F. The average values for day and night temperatures during May were 82.5°F и 68.0°F respectivly.

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation total in May for McKinney is 2.4 in. It makes may the most rainy month of the year.

The average wind speed in May is 10.6 mph. It makes May one of the most windy months of the year for McKinney.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for McKinney in May is 7.3 hours.