St. Louis Weather in July

St. Louis in July sees very high temperatures, with highs around 32°C (90°F) and overnight lows of 21°C (70°F). Rainfall is fairly high at around 100 mm (3.9 in) on average, so pack waterproofs just in case.

Rainfall in St. Louis in July

You can expect rain on around 10 days based on historical patterns, with 100 mm (3.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in St. Louis in July

July in St. Louis brings very high temperatures, with highs of 32°C (90°F) and nights around 21°C (70°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.

Sunshine in St. Louis in July

The city usually sees around 311 hours of sunlight, indicating many sunny days , a great month for sightseeing.

For St. Louis itself, October 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.