The highest day temperature in July 2026 was 113°F. The lowest night temperature was 76°F. The average values for day and night temperatures during July were 103.7°F и 81.9°F respectivly.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for McKinney is 0.6 in. It makes july the least rainy month of the year.

The average wind speed in July is 9.5 mph. It makes July one of the most windless 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 July is 10.4 hours.