St. Charles Weather in June
June in St. Charles brings high temperatures, with highs of 30°C (86°F) and nights dropping to 19°C (66°F). Rainfall is on the higher side this month, averaging around 120 mm (4.7 in), so keep a rain jacket handy.
Rainfall in St. Charles in June
Historically, approximately 12 days this month are expected to have rain, averaging 120 mm (4.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in St. Charles in June
St. Charles in June gets highs of 30°C (86°F) during the day and drops to 19°C (66°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 19°C (66°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.
Sunshine in St. Charles in June
The month enjoys around 293 hours of sunshine, creating mostly sunny days with good weather conditions.Should you favor a climate that's both dry and comfortably warm, September and October typically offer the most agreeable 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 St. Charles's climate page.
St. Charles Temperature in June
Min Temperature
19°C (66°F)
Max Temperature
30°C (86°F)
Chance of Rain
41%
Precipitation
120 mm (4.7 in)
Rainy days
12 days
Humidity
67% *
Sunshine
293 hours *
Percentage Sunshine
66% *
Best Places in the United States of America in June
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 June →
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What to Wear in St. Charles in June
Warm temperatures in June make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in St. Charles in June
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 St. Charles's climate page.
Temperature Rainfall Sunshine Humidity
See the full St. Charles climate overview or explore weather in the United States of America.
