Saint Charles Weather in July

What's the weather like in Saint Charles (Missouri) in July 2024?

The climate in Saint Charles during July can be summarized as hot and a little damp.

July is in the summer in Saint Charles and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 32°C (89°F), whilst at night 21°C (70°F) is normal.

Saint Charles weather averages (imperial / metric)
Daytime temperature 31.8°C 89.2°F
Nightly temperature 20.9°C 69.5°F
Average temperature 26.3°C 79.3°F
Daily sunshine 10.7 hrs
Avg rainfall 93 mm 3.7 ins
Rainy days 9 days
Sea temperature 19.7°C 67.5°F
Humidity 68%
Windspeed 14kph 9 mph

On average July is the 4th wettest month of the year in Saint Charles with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.7 hours of sunshine per day.

July temperatures in Saint Charles

Saint Charles average temperature in July

July rainfall

Saint Charles average rain in July

July hourly sunshine

Saint Charles average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint Charles in July 2024.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Saint Charles weather stats

Saint Charles weather statistics
Hottest month: July 31.5°C 88.7°F
Driest month: January 44mm 1.7ins
Sunniest month: July 10.7hrs
Coldest month: January 3°C 37.4°F
Wettest month: May 104mm 4.1ins
Map showing location of Saint Charles (38.78394, -90.48123) Saint Charles map pin © Google

Locations nearby

Top United States locations