St. Charles Weather in April
April in St. Charles averages 20°C (68°F) during the day and 8°C (46°F) at night. It is the wettest month of the year, with 128 mm (5 in) of rainfall on average, so waterproof gear is a must.
Rainfall in St. Charles in April
An umbrella might come in handy since it is the wettest month of the year. Historically, April sees about 11 days of rain, with a monthly average of 128 mm (5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in St. Charles in April
Daytime highs in St. Charles in April reach 20°C (68°F), with nights around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in St. Charles in April
The month enjoys around 225 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 April
Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
38%
Precipitation
128 mm (5 in)
Rainy days
11 days
Humidity
63% *
Sunshine
225 hours *
Percentage Sunshine
56% *
Best Places in the United States of America in April
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 April →
perfect weather
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unpleasant
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What to Wear in St. Charles in April
For St. Charles in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in St. Charles in April
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.
