St. Louis Weather in June

During June, St. Louis experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 20°C (68°F). As the wettest month of the year, expect frequent rainfall.

Rainfall in St. Louis in June

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Historically, June sees about 12 days of rain, with a monthly average of 136 mm (5.4 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in St. Louis in June

St. Louis in June gets highs of 30°C (86°F) during the day and drops to 20°C (68°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in St. Louis in June

With approximately 293 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer enjoying temperate temperatures and rain-free days, October typically offers 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.

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• January
• February
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• May
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For a detailed overview over the year and the best time to visit the United States of America, check out our St. Louis's climate page.

St. Louis Temperature in June

Min Temperature 20°C (68°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 40%  

Precipitation 136 mm (5.4 in)  

Rainy days 12 days  

Humidity 67%  

Sunshine 293 hours  

Percentage Sunshine 66%  

What to Wear in St. Louis 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in St. Louis in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our St. Louis's climate page.

More climate data for St. Louis

Temperature Rainfall Sunshine Humidity

See the full St. Louis climate overview or explore weather in the United States of America.