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Weather in St. Louis for April 2025

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 16.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.6 °F by the end of April.

  • With an average of 5 rainy days, St. Louis experiences minimal rainfall in April, ensuring that most days remain pleasantly dry.

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Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/6°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
67 %
Avg humidity

St. Louis in April average weather

Move between months or click on a day
March
May
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
18°
2
Partly cloudy
20°
3
Overcast
14°
4
Overcast
17°
5
Moderate or heavy rain shower
16°
6
Partly cloudy
14°
7
Overcast
19°
8
Cloudy
22°
9
Partly cloudy
19°
10
Overcast
17°
11
Sunny
19°
12
Sunny
21°
13
Partly cloudy
25°
14
Patchy rain possible
25°
15
Moderate or heavy rain shower
26°
16
Patchy rain possible
20°
17
Sunny
20°
18
Overcast
21°
19
Overcast
22°
20
Moderate or heavy rain shower
19°
21
Cloudy
18°
22
Cloudy
14°
23
Partly cloudy
16°
24
Overcast
16°
25
Overcast
17°
26
Overcast
18°
27
Moderate rain at times
17°
28
Overcast
21°
29
Overcast
21°
30
Patchy rain possible
20°
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Temperatures trend during April in St. Louis

See the weather trend as well as the moving average line

April weather day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Overcast
Overcast
 18° /10° 12.9 mm 0 cm
Apr. 2 Partly cloudy
Partly cloudy
 20° /4° 4.6 mm 0 cm
Apr. 3 Overcast
Overcast
 14° /6° 2.1 mm 0 cm
Apr. 4 Overcast
Overcast
 17° /9° 0.2 mm 0.1 cm
Apr. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /4° 6.3 mm 0 cm
Apr. 6 Partly cloudy
Partly cloudy
 14° /2° 0 mm 0 cm
Apr. 7 Overcast
Overcast
 19° /5° 2.9 mm 0 cm
Apr. 8 Cloudy
Cloudy
 22° /7° 0 mm 0 cm
Apr. 9 Partly cloudy
Partly cloudy
 19° /10° 0.2 mm 0 cm
Apr. 10 Overcast
Overcast
 17° /9° 17.4 mm 0 cm
Apr. 11 Sunny
Sunny
 19° /9° 24.6 mm 0 cm
Apr. 12 Sunny
Sunny
 21° /9° 0 mm 0 cm
Apr. 13 Partly cloudy
Partly cloudy
 25° /9° 0 mm 0 cm
Apr. 14 Patchy rain possible
Patchy rain possible
 25° /13° 0.1 mm 0 cm
Apr. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /15° 12.2 mm 0 cm
Apr. 16 Patchy rain possible
Patchy rain possible
 20° /12° 10.2 mm 0 cm
Apr. 17 Sunny
Sunny
 20° /9° 0.2 mm 0 cm
Apr. 18 Overcast
Overcast
 21° /9° 1.8 mm 0 cm
Apr. 19 Overcast
Overcast
 22° /10° 0 mm 0 cm
Apr. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /10° 9.5 mm 0 cm
Apr. 21 Cloudy
Cloudy
 18° /8° 1.5 mm 0 cm
Apr. 22 Cloudy
Cloudy
 14° /5° 0 mm 0 cm
Apr. 23 Partly cloudy
Partly cloudy
 16° /6° 0.4 mm 0 cm
Apr. 24 Overcast
Overcast
 16° /4° 0 mm 0 cm
Apr. 25 Overcast
Overcast
 17° /7° 0.2 mm 0 cm
Apr. 26 Overcast
Overcast
 18° /9° 7.9 mm 0 cm
Apr. 27 Moderate rain at times
Moderate rain at times
 17° /8° 3.8 mm 0 cm
Apr. 28 Overcast
Overcast
 21° /13° 1.4 mm 0 cm
Apr. 29 Overcast
Overcast
 21° /12° 23.2 mm 0 cm
Apr. 30 Patchy rain possible
Patchy rain possible
 20° /9° 0.3 mm 0 cm
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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.

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 22° and cooler nights around 6°. 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 284.1 mm is expected in St. Louis during April, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in St. Louis during April?
St. Louis experiences an average snowfall of 0.1 cm during April, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in St. Louis during April?
The average wind speed in St. Louis during April is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

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Get accurate weather forecasts for St. Louis, located at latitude 38.627 and longitude -90.198. Stay updated with localized weather information tailored for St. Louis.

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