The highest day temperature in July 2023 was 109°F. The lowest night temperature was 69°F. The average values for day and night temperatures during July were 95.9°F и 76.3°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. Louis is 3.8 in. It makes july one of the most rainy months of the year.

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

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. Louis in July is 10.0 hours.