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.
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. Louis's climate page.
St. Louis Temperature in July
Min Temperature
21°C (70°F)
Max Temperature
32°C (90°F)
Chance of Rain
33%
Precipitation
100 mm (3.9 in)
Rainy days
10 days
Humidity
68%
Sunshine
311 hours
Percentage Sunshine
68%
Best Places in the United States of America in July
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 July →
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What to Wear in St. Louis in July
Warm temperatures in July 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 July
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. Louis's climate page.
Temperature Rainfall Sunshine Humidity
See the full St. Louis climate overview or explore weather in the United States of America.
