Saint Louis County (Eureka)
April
Weather in Saint Louis County for April 2026
Your guide to Saint Louis County weather in April - trends and predictions
Snowfall in Saint Louis County during April is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Saint Louis County at the beginning of April is 15.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.9 °F by the end of April.
Saint Louis County in April brings notable rainfall, with an average of 17 rainy days and a total precipitation of 199.7 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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12
Dry days
17
Rainy days
1
Snow days
19°/9°
Temperatures
20 km/h
Avg max wind
69 %
Avg humidity
Saint Louis County Weather April
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  19° | 2 20° | 3  13° | 4  15° | |||
| 5  11° | 6  10° | 7 20° | 8 19° | 9 17° | 10 17° | 11 13° |
| 12  17° | 13 27° | 14  25° | 15  22° | 16 21° | 17 23° | 18 20° |
| 19 19° | 20 19° | 21 19° | 22 23° | 23 22° | 24 23° | 25  20° |
| 26 18° | 27 20° | 28 28° | 29 24° | 30 27° |
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Temperatures trend during April in Saint Louis County
See the weather trend as well as the moving average line
April weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 | Light rain shower | 19° /11° | 13.5 mm | 5 | |
| Apr. 2 | Light rain shower | 20° /9° | 17 mm | 5 | |
| Apr. 3 | Light sleet showers | 13° /6° | 7.7 mm | 3 | |
| Apr. 4 | Light snow | 15° /5° | 20.2 mm | 4 | |
| Apr. 5 | Overcast | 11° /3° | 79.9 mm | 3 | |
| Apr. 6 | Partly cloudy | 10° /1° | 0 mm | 3 | |
| Apr. 7 | Light rain shower | 20° /4° | 1.5 mm | 5 | |
| Apr. 8 | Overcast | 19° /4° | 0 mm | 5 | |
| Apr. 9 | Patchy rain possible | 17° /9° | 0.3 mm | 4 | |
| Apr. 10 | Light rain shower | 17° /10° | 14.6 mm | 4 | |
| Apr. 11 | Light rain shower | 13° /8° | 24.1 mm | 3 | |
| Apr. 12 | Sunny | 17° /7° | 0 mm | 5 | |
| Apr. 13 | Partly cloudy | 27° /9° | 0 mm | 7 | |
| Apr. 14 | Thundery outbreaks possible | 25° /14° | 0 mm | 6 | |
| Apr. 15 | Patchy light rain with thunder | 22° /12° | 0.3 mm | 6 | |
| Apr. 16 | Light rain shower | 21° /11° | 4.6 mm | 5 | |
| Apr. 17 | Patchy rain possible | 23° /13° | 0 mm | 5 | |
| Apr. 18 | Light rain shower | 20° /13° | 2.3 mm | 5 | |
| Apr. 19 | Overcast | 19° /8° | 39.4 mm | 5 | |
| Apr. 20 | Partly cloudy | 19° /9° | 17.6 mm | 5 | |
| Apr. 21 | Partly cloudy | 19° /6° | 6 mm | 5 | |
| Apr. 22 | Sunny | 23° /6° | 0 mm | 6 | |
| Apr. 23 | Light rain shower | 22° /12° | 0.3 mm | 5 | |
| Apr. 24 | Partly cloudy | 23° /12° | 0 mm | 6 | |
| Apr. 25 | Patchy light drizzle | 20° /10° | 3.9 mm | 5 | |
| Apr. 26 | Light rain shower | 18° /10° | 11 mm | 4 | |
| Apr. 27 | Light rain shower | 20° /13° | 4.2 mm | 5 | |
| Apr. 28 | Patchy rain possible | 28° /16° | 3.2 mm | 7 | |
| Apr. 29 | Light rain shower | 24° /15° | 57.1 mm | 5 | |
| Apr. 30 | Sunny | 27° /12° | 0.4 mm | 7 | |
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Important Notice
Our weather forecast for Saint Louis County in April 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.
Saint Louis County in April - FAQ
What are the expected maximum and minimum temperatures in Saint Louis County during April?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Louis County during April?
Significant rainfall exceeding 199.7 mm is expected in Saint Louis County during April, 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 April?
The average wind speed in Saint Louis County during April is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Saint Louis County
Explore the daily rainfall trends and prepare for Saint Louis Countys April weather 💧
UV exposure in Saint Louis County during April
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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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