St. Louis (MO)
July
Weather in St. Louis, Missouri for July 2026
Your guide to St. Louis weather in July - trends and predictions
Extreme Heat Warning - See hour by hour.
So far, July 2026 in St. Louis is slightly warmer than the historical average by 0.5 °F.
Expect cooler weather in the next days in St. Louis with the forecast suggesting a temperature of 33 °F, lower than the historical average.
In general, the average temperature in St. Louis at the beginning of July is 32.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 34 °F by the end of July.
St. Louis experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 175.5 mm.
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Temperatures
Rain 🌧️
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3
Dry days
28
Rainy days
0
Snow days
32°/21°
Temperatures
15 km/h
Avg max wind
71 %
Avg humidity
St. Louis Weather July
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Temperatures trend during July in St. Louis
See the weather trend as well as the moving average line
July weather in St. Louis day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Moderate or heavy rain shower | 32° /20° | 6.8 mm | 8 | |
| Jul. 2 |  Partly cloudy | 31° /19° | 1.2 mm | 8 | |
| Jul. 3 |  Sunny | 33° /21° | 3.4 mm | 8 | |
| Jul. 4 | Sunny | 34° /22° | 2.6 mm | 9 | |
| Jul. 5 | Sunny | 33° /21° | 3.6 mm | 9 | |
| Jul. 6 |  Overcast | 32° /21° | 3.7 mm | 8 | |
| Jul. 7 |  Cloudy | 32° /21° | 8.7 mm | 8 | |
| Jul. 8 | Moderate or heavy rain shower | 31° /21° | 4.2 mm | 8 | |
| Jul. 9 | Cloudy | 29° /21° | 16 mm | 7 | |
| Jul. 10 | Sunny | 31° /19° | 12 mm | 8 | |
| Jul. 11 | Moderate or heavy rain shower | 32° /20° | 6 mm | 7 | |
| Jul. 12 | Overcast | 32° /20° | 19.2 mm | 8 | |
| Jul. 13 | Sunny | 32° /20° | 5.1 mm | 8 | |
| Jul. 14 |  Patchy rain possible | 33° /21° | 1.3 mm | 8 | |
| Jul. 15 | Patchy rain possible | 33° /22° | 7.4 mm | 8 | |
| Jul. 16 | Moderate or heavy rain shower | 33° /22° | 7.9 mm | 8 | |
| Jul. 17 | Moderate or heavy rain shower | 30° /21° | 13.1 mm | 7 | |
| Jul. 18 | Patchy rain possible | 30° /20° | 6.5 mm | 7 | |
| Jul. 19 | Partly cloudy | 31° /20° | 6.3 mm | 8 | |
| Jul. 20 | Partly cloudy | 33° /21° | 2.3 mm | 8 | |
| Jul. 21 | Partly cloudy | 32° /21° | 0 mm | 8 | |
| Jul. 22 | Sunny | 32° /20° | 0.7 mm | 8 | |
| Jul. 23 | Partly cloudy | 33° /21° | 0.9 mm | 9 | |
| Jul. 24 | Patchy rain possible | 33° /21° | 1.1 mm | 8 | |
| Jul. 25 | Patchy rain possible | 33° /22° | 2.4 mm | 8 | |
| Jul. 26 | Sunny | 42° /25° | 0 mm | 9.6 | |
| Jul. 27 | Sunny | 40° /25° | 0 mm | 10.4 | |
| Jul. 28 | Sunny | 37° /26° | 0.5 mm | 9.1 | |
| Jul. 29 | Sunny | 31° /21° | 1.3 mm | 9.1 | |
| Jul. 30 | Sunny | 31° /18° | 0 mm | 8.3 | |
| Jul. 31 | Overcast | 24° /20° | 11.3 mm | 5 | |
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Important Notice
Our weather forecast for St. Louis in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Louis forecast closer to your planned date for the most up-to-date weather information.
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St. Louis in July - FAQ
What are the expected maximum and minimum temperatures in St. Louis during July?
During July, expect a variety of temperatures with highs around 32° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Louis during July?
Significant rainfall exceeding 175.5 mm is expected in St. Louis during July, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Louis during July?
The average wind speed in St. Louis during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in St. Louis
Explore the daily rainfall trends and prepare for St. Louiss July weather 💧
Typically, St. Louis has 28 rainy days in July with a total of 175.5 mm of rainfall.
UV exposure in St. Louis during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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