Saint Louis County (Eureka)
July
Weather in Saint Louis County, Missouri for July 2026
Your guide to Saint Louis County weather in July - trends and predictions
In general, the average temperature in Saint Louis County at the beginning of July is 31.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 34.1 °F by the end of July.
Saint Louis County in July brings notable rainfall, with an average of 17 rainy days and a total precipitation of 160.9 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
31°/19°
Temperatures
13 km/h
Avg max wind
72 %
Avg humidity
Saint Louis County Weather July
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Temperatures trend during July in Saint Louis County
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July weather in Saint Louis County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 27° /16° | 0.8 mm | 7 | |
| Jul. 2 | Sunny | 33° /17° | 0 mm | 8 | |
| Jul. 3 |  Light rain shower | 35° /21° | 6.1 mm | 8 | |
| Jul. 4 | Light rain shower | 34° /21° | 5 mm | 8 | |
| Jul. 5 |  Cloudy | 31° /21° | 0.1 mm | 7 | |
| Jul. 6 |  Mist | 30° /20° | 19.2 mm | 7 | |
| Jul. 7 |  Partly cloudy | 32° /20° | 8.5 mm | 8 | |
| Jul. 8 |  Patchy light drizzle | 30° /21° | 6.4 mm | 7 | |
| Jul. 9 | Light rain shower | 26° /21° | 31.2 mm | 6 | |
| Jul. 10 | Fog | 31° /19° | 0.1 mm | 7 | |
| Jul. 11 | Patchy rain possible | 33° /21° | 0.8 mm | 7 | |
| Jul. 12 |  Patchy light rain with thunder | 33° /21° | 60.7 mm | 7 | |
| Jul. 13 | Sunny | 31° /22° | 9.2 mm | 7 | |
| Jul. 14 |  Thundery outbreaks possible | 32° /22° | 5.9 mm | 7 | |
| Jul. 15 | Sunny | 34° /23° | 3.8 mm | 8 | |
| Jul. 16 | Thundery outbreaks possible | 35° /23° | 2.3 mm | 8 | |
| Jul. 17 |  Torrential rain shower | 29° /22° | 31.3 mm | 6 | |
| Jul. 18 | Patchy rain possible | 29° /18° | 108.4 mm | 6 | |
| Jul. 19 | Partly cloudy | 32° /19° | 0 mm | 8 | |
| Jul. 20 | Partly cloudy | 32° /20° | 1.7 mm | 8 | |
| Jul. 21 | Patchy rain possible | 31° /22° | 0.8 mm | 7 | |
| Jul. 22 | Light rain shower | 33° /21° | 3.5 mm | 7 | |
| Jul. 23 | Patchy rain possible | 33° /22° | 1.2 mm | 7 | |
| Jul. 24 | Mist | 33° /21° | 0 mm | 8 | |
| Jul. 25 | Patchy rain possible | 32° /23° | 2.7 mm | 7 | |
| Jul. 26 | Patchy rain possible | 31° /21° | 2.6 mm | 7 | |
| Jul. 27 | Light rain shower | 31° /23° | 0.7 mm | 7 | |
| Jul. 28 |  Moderate rain at times | 34° /23° | 2.7 mm | 8 | |
| Jul. 29 | Moderate or heavy rain shower | 36° /23° | 8.8 mm | 8 | |
| Jul. 30 | Patchy light rain | 37° /24° | 4.9 mm | 8 | |
| Jul. 31 | Sunny | 38° /26° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Saint Louis County 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 Saint Louis County forecast closer to your planned date for the most up-to-date weather information.
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Saint Louis County in July - FAQ
What are the expected maximum and minimum temperatures in Saint Louis County during July?
Expect warm days with temperatures around 31°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Saint Louis County during July?
Significant rainfall exceeding 160.9 mm is expected in Saint Louis County during July, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Louis County during July?
The average wind speed in Saint Louis County during July is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Saint Louis County
Explore the daily rainfall trends and prepare for Saint Louis Countys July weather 💧
UV exposure in Saint Louis County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Where is Saint Louis County?Get accurate weather forecasts for Saint Louis County, located at latitude 38.503 and longitude -90.628. Stay updated with localized weather information tailored for Saint Louis County.
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