Saint Charles Weather in July
Saint Charles in July averages 29°C (84°F) during the day and 17°C (63°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Saint Charles in July
Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 111 mm (4.4 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Saint Charles in July
Daytime temperatures in Saint Charles reach 29°C (84°F) in July, dropping to 17°C (63°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. It's the warmest month of the year on average, so summer clothing is the way to go.
Sunshine in Saint Charles in July
Expect sunny days throughout the month, with an estimated 319 hours of sunshine. This makes it a pleasant time to visit Saint Charles.For Saint Charles itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Charles's climate page.
Saint Charles Temperature in July
Min Temperature
17°C (63°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
111 mm (4.4 in)
Rainy days
11 days
Humidity
68% *
Sunshine
319 hours *
Percentage Sunshine
69% *
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
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What to Wear in Saint Charles in July
Warm but pleasant conditions in Saint Charles in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Saint Charles in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Charles's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Charles climate overview or explore weather in the United States of America.
