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
So far, July 2026 in Saint Louis County is slightly warmer than the historical average by 0.6 °C.
The forecast for the upcoming days in Saint Louis County predicts a temperature of 33.6 °C, which is slightly above the historical average.
In general, the average temperature in Saint Louis County at the beginning of July is 32.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 35.1 °C by the end of July.
Saint Louis County experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 276.7 mm.
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Temperatures
Rain 🌧️
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6
Dry days
25
Rainy days
0
Snow days
32°/22°
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
See the weather trend as well as the moving average line
July weather in Saint Louis County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 30° /18° | 0.5 mm | 8 | |
| Jul. 2 | Sunny | 34° /19° | 0.5 mm | 9 | |
| Jul. 3 |  Light rain shower | 35° /22° | 4.3 mm | 10 | |
| Jul. 4 | Light rain shower | 34° /22° | 4.3 mm | 9 | |
| Jul. 5 |  Cloudy | 31° /20° | 2.4 mm | 9 | |
| Jul. 6 |  Mist | 31° /20° | 13.1 mm | 9 | |
| Jul. 7 |  Partly cloudy | 32° /20° | 5.9 mm | 9 | |
| Jul. 8 |  Moderate or heavy rain shower | 31° /21° | 5.7 mm | 9 | |
| Jul. 9 | Light rain shower | 28° /21° | 24.8 mm | 8 | |
| Jul. 10 | Fog | 31° /19° | 6.3 mm | 9 | |
| Jul. 11 | Patchy rain possible | 31° /21° | 7.2 mm | 7 | |
| Jul. 12 |  Patchy light rain with thunder | 33° /21° | 40.7 mm | 9 | |
| Jul. 13 | Sunny | 32° /21° | 6.1 mm | 9 | |
| Jul. 14 |  Thundery outbreaks possible | 33° /21° | 4.1 mm | 9 | |
| Jul. 15 | Sunny | 34° /22° | 2.7 mm | 9 | |
| Jul. 16 | Thundery outbreaks possible | 34° /23° | 2.6 mm | 9 | |
| Jul. 17 |  Torrential rain shower | 30° /22° | 21.3 mm | 8 | |
| Jul. 18 | Patchy rain possible | 31° /19° | 72.4 mm | 8 | |
| Jul. 19 | Partly cloudy | 32° /20° | 1 mm | 9 | |
| Jul. 20 | Partly cloudy | 33° /20° | 1.3 mm | 9 | |
| Jul. 21 | Sunny | 38° /22° | 0 mm | 9.6 | |
| Jul. 22 | Sunny | 28° /18° | 0 mm | 9.6 | |
| Jul. 23 | Sunny | 23° /15° | 2 mm | 9.9 | |
| Jul. 24 | Fog | 17° /16° | 29.2 mm | 1.2 | |
| Jul. 25 | Cloudy | 26° /17° | 1.1 mm | 7 | |
| Jul. 26 | Sunny | 36° /19° | 0 mm | 9 | |
| Jul. 27 | Sunny | 39° /25° | 0 mm | 9 | |
| Jul. 28 | Sunny | 34° /22° | 0 mm | 8 | |
| Jul. 29 | Sunny | 33° /21° | 0 mm | 8 | |
| Jul. 30 | Sunny | 41° /24° | 0 mm | 10 | |
| Jul. 31 | Sunny | 37° /23° | 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?
During July, expect a variety of temperatures with highs around 32° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Louis County during July?
Significant rainfall exceeding 276.7 mm is expected in Saint Louis County during July, occurring over more than 25 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 💧
Typically, Saint Louis County has 25 rainy days in July with a total of 276.7 mm of rainfall.
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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