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United States weather

Weather in Decatur, Illinois for April 2027

Your guide to Decatur weather in April - trends and predictions

    Temperatures

  • In general, the average temperature in Decatur at the beginning of April is 13.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.5 °C by the end of April.

    • Rain 🌧️

  • The climate of Decatur in April is notably wet, with an average of 13 rainy days, and a total of 327 mm of precipitation.

    • More

  • Is April a good time to visit Decatur? check out the best time to travel to Decatur page.

  • ✨ Is April a good time to visit Decatur? – Ask the AI Weatherman

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/9°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Decatur Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
18°
2
Moderate rain
19°
3
Moderate rain
14°
4
Heavy rain
15°
5
Heavy rain
9°
6
Sunny
10°
7
Light rain shower
12°
8
Overcast
16°
9
Light rain
15°
10
Moderate rain
14°
11
Moderate rain
14°
12
Overcast
17°
13
Light rain
23°
14
Thundery outbreaks possible
21°
15
Patchy light rain with thunder
21°
16
Moderate rain
22°
17
Patchy rain possible
20°
18
Heavy rain
19°
19
Heavy rain
16°
20
Partly cloudy
15°
21
Light rain
18°
22
Overcast
19°
23
Light rain shower
20°
24
Light rain
19°
25
Overcast
21°
26
Light rain
19°
27
Moderate rain
21°
28
Patchy rain possible
23°
29
Light rain
21°
30
Sunny
20°

Temperatures trend during April in Decatur

See the weather trend as well as the moving average line

April weather in Decatur day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Moderate rain
Moderate rain
 18° /8° 17.2 mm 0 cm
Apr. 2 Moderate rain
Moderate rain
 19° /8° 20.3 mm 0 cm
Apr. 3 Moderate rain
Moderate rain
 14° /7° 16.4 mm 0 cm
Apr. 4 Heavy rain
Heavy rain
 15° /5° 33 mm 0.3 cm
Apr. 5 Heavy rain
Heavy rain
 9° /3° 66.4 mm 0 cm
Apr. 6 Sunny
Sunny
 10° /2° 0 mm 0 cm
Apr. 7 Light rain shower
Light rain shower
 12° /3° 1.9 mm 0 cm
Apr. 8 Overcast
Overcast
 16° /4° 0 mm 0 cm
Apr. 9 Light rain
Light rain
 15° /8° 3.7 mm 0 cm
Apr. 10 Moderate rain
Moderate rain
 14° /8° 10 mm 0 cm
Apr. 11 Moderate rain
Moderate rain
 14° /6° 12.6 mm 0 cm
Apr. 12 Overcast
Overcast
 17° /7° 0 mm 0 cm
Apr. 13 Light rain
Light rain
 23° /10° 3.4 mm 0 cm
Apr. 14 Thundery outbreaks possible
Thundery outbreaks possible
 21° /14° 0.1 mm 0 cm
Apr. 15 Patchy light rain with thunder
Patchy light rain with thunder
 21° /13° 6.5 mm 0 cm
Apr. 16 Moderate rain
Moderate rain
 22° /12° 11.3 mm 0 cm
Apr. 17 Patchy rain possible
Patchy rain possible
 20° /12° 2 mm 0 cm
Apr. 18 Heavy rain
Heavy rain
 19° /10° 34.6 mm 0 cm
Apr. 19 Heavy rain
Heavy rain
 16° /6° 44.5 mm 0 cm
Apr. 20 Partly cloudy
Partly cloudy
 15° /6° 0.5 mm 0 cm
Apr. 21 Light rain
Light rain
 18° /8° 8.3 mm 0 cm
Apr. 22 Overcast
Overcast
 19° /9° 0.1 mm 0 cm
Apr. 23 Light rain shower
Light rain shower
 20° /12° 1.8 mm 0 cm
Apr. 24 Light rain
Light rain
 19° /10° 4.4 mm 0 cm
Apr. 25 Overcast
Overcast
 21° /8° 0.6 mm 0 cm
Apr. 26 Light rain
Light rain
 19° /8° 5.2 mm 0 cm
Apr. 27 Moderate rain
Moderate rain
 21° /12° 11.4 mm 0 cm
Apr. 28 Patchy rain possible
Patchy rain possible
 23° /13° 2.2 mm 0 cm
Apr. 29 Light rain
Light rain
 21° /14° 8.1 mm 0 cm
Apr. 30 Sunny
Sunny
 20° /10° 0.1 mm 0 cm
Next
Important Notice
Our weather forecast for Decatur 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 Decatur forecast closer to your planned date for the most up-to-date weather information.
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Decatur in April - FAQ

What are the expected maximum and minimum temperatures in Decatur during April?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Decatur during April?
Significant rainfall exceeding 327 mm is expected in Decatur during April, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Decatur in April 2027?
Decatur typically sees 0.3 cm of snowfall during April.

What are the typical wind conditions in Decatur during April?
The average wind speed in Decatur during April is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Decatur snow forecast April 2027

Track daily snowfall levels and discover Decatur’s snowy potential this April ❄️

April rainfall patterns in Decatur

Explore the daily rainfall trends and prepare for Decaturs April weather 💧
Typically, Decatur has 13 rainy days in April with a total of 327 mm of rainfall.

UV exposure in Decatur during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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Location coordinates Where is Decatur?

Get accurate weather forecasts for Decatur, located at latitude 39.84 and longitude -88.955. Stay updated with localized weather information tailored for Decatur.

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