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.