St. Louis (MO)
April
Weather in St. Louis, Missouri for April 2027
Your guide to St. Louis weather in April - trends and predictions
In general, the average temperature in St. Louis at the beginning of April is 17 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of April.
St. Louis experiences moderate rainfall in April, with an average of 10 rainy days and a total precipitation of 203.8 mm.
Is April a good time to visit St. Louis? check out the best time to travel to St. Louis page.
✨ Is April a good time to visit St. Louis? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
19°/9°
Temperatures
22 km/h
Avg max wind
71 %
Avg humidity
St. Louis Weather April
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Temperatures trend during April in St. Louis
See the weather trend as well as the moving average line
April weather in St. Louis day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Light rain | 16° /7° | 4.3 mm | 4 | |
| Apr. 2 |  Moderate rain | 18° /7° | 13.1 mm | 5 | |
| Apr. 3 | Light rain | 18° /8° | 3.1 mm | 5 | |
| Apr. 4 | Moderate rain | 20° /9° | 16.1 mm | 4 | |
| Apr. 5 |  Heavy rain | 17° /7° | 29.8 mm | 4 | |
| Apr. 6 |  Patchy rain possible | 15° /6° | 1.2 mm | 4 | |
| Apr. 7 | Light rain | 16° /5° | 4.1 mm | 5 | |
| Apr. 8 | Patchy rain possible | 16° /5° | 1.2 mm | 4 | |
| Apr. 9 |  Partly cloudy | 18° /7° | 0.1 mm | 5 | |
| Apr. 10 | Moderate rain | 17° /9° | 11.7 mm | 4 | |
| Apr. 11 | Moderate rain | 18° /9° | 12.1 mm | 4 | |
| Apr. 12 |  Sunny | 20° /9° | 0.2 mm | 5 | |
| Apr. 13 |  Thundery outbreaks possible | 23° /10° | 5.4 mm | 5 | |
| Apr. 14 |  Overcast | 21° /12° | 0 mm | 4 | |
| Apr. 15 | Light rain | 21° /12° | 5.2 mm | 5 | |
| Apr. 16 | Light rain | 19° /10° | 7.2 mm | 5 | |
| Apr. 17 | Patchy rain possible | 19° /9° | 2.1 mm | 5 | |
| Apr. 18 | Light rain | 19° /9° | 6.7 mm | 5 | |
| Apr. 19 | Moderate rain | 19° /8° | 12 mm | 5 | |
| Apr. 20 | Moderate rain | 17° /8° | 10.9 mm | 5 | |
| Apr. 21 | Light rain | 19° /8° | 3 mm | 5 | |
| Apr. 22 | Patchy rain possible | 19° /8° | 0.1 mm | 5 | |
| Apr. 23 | Overcast | 21° /10° | 0.3 mm | 6 | |
| Apr. 24 | Moderate rain | 19° /10° | 14.2 mm | 5 | |
| Apr. 25 | Patchy rain possible | 19° /9° | 2.1 mm | 5 | |
| Apr. 26 | Light rain | 19° /9° | 2.6 mm | 5 | |
| Apr. 27 | Light rain | 21° /12° | 6.7 mm | 5 | |
| Apr. 28 | Light rain | 22° /13° | 7.5 mm | 6 | |
| Apr. 29 | Moderate rain | 20° /13° | 19.5 mm | 5 | |
| Apr. 30 | Patchy rain possible | 21° /11° | 1.3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for St. Louis 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 St. Louis forecast closer to your planned date for the most up-to-date weather information.
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St. Louis in April - FAQ
What are the expected maximum and minimum temperatures in St. Louis 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 St. Louis during April?
Significant rainfall exceeding 203.8 mm is expected in St. Louis during April, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Louis in April 2027?
St. Louis typically sees 0 cm of snowfall during April.
What are the typical wind conditions in St. Louis during April?
The average wind speed in St. Louis during April is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in St. Louis
Explore the daily rainfall trends and prepare for St. Louiss April weather 💧
Typically, St. Louis has 10 rainy days in April with a total of 203.8 mm of rainfall.
UV exposure in St. Louis during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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