The highest day temperature in July 2025 was 112°F. The lowest night temperature was 58°F. The average values for day and night temperatures during July were 104.5°F и 67.6°F respectivly.

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

Precipitation total in July for St. George is 0.1 in. This value is relatively stable throughout the year.

The average wind speed in July is 6.7 mph. It makes July one of the most windy months of the year for St. George.

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 St. George in July is 12.8 hours.