World Resorts USA Chicago Weather

Chicago weather in April

Weather in Chicago: April

Average day temperature: 51.3°F
Average night temperature: 43.7°F
Sea water temperature: 41.4°F
Number of sunny days: 9 days
Day length: 12.7 - 14.0 hours
Number of rainy days: 5 days
Precipitation totals: 2.6 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 72°F. At the same time the lowest night temperature was 27°F. Daily and nightly averages during April were 52.8°F and 44.1°F.

Sea water temperature in Chicago in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 43.9°F. The highest and lowest sea temperatures during the month were 48.0°F and 39.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Chicago in April is 2.7 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 10.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.7.

Best time for vacation in Chicago

Sunniest months:
September 17 days
August 16 days
July 15 days
Warmest months:
July 80.4 °F
August 79.9 °F
June 74.3 °F
Warmest sea temp:
August 70.3 °F
July 68.2 °F
September 66.1 °F
Coldest months:
January 28.2 °F
February 30.9 °F
December 36.0 °F
Rainiest months:
June 7 days
May 6 days
July 5 days
Windiest months:
November 12.2 mph
January 12.0 mph
February 11.7 mph

Chicago on a weather map

Chicago
+9°F
NE 6 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+77°F
+77°F
+57°F
+66°F
+72°F
+79°F
+70°F
+28°F
+66°F
+55°F
+66°F
+68°F
+46°F
+9°F
24 Hours Forecast
Chicago
Local time: 21:01
December 05, friday
0000
5°F
N
9 mph
0300
3°F
NE
9 mph
0600
5°F
NE
9 mph
0900
18°F
NE
11 mph
1200
23°F
NE
12 mph
1500
30°F
NE
12 mph
1800
30°F
NE
14 mph
2100
30°F
NE
13 mph
Units of measurement: °C / °F