The highest day temperature in July 2023 was 90°F. The lowest night temperature was 80°F. The average values for day and night temperatures during July were 86.9°F и 82.6°F respectivly.

The average sea surface temperature in July 2023 for Saint Louis was 85.9°F. The maximum and minimum values were 83.2°F and 88.0°F respectively.

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

Precipitation total in July for Saint Louis is 1.1 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 12.7 mph.

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 Saint Louis in July is 9.8 hours.