World Resorts USA Chicago Weather

Chicago Sea Temperature in May

Average sea water temperature in May:
+49.8°F
Minimum sea water temperature in May: 64.4°F
Maximum sea water temperature in May: 32.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 54.4°F. The highest and lowest sea temperatures during the month were 60.4°F and 50.5°F.

Monthly sea water temperature in Chicago, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
South Padre Island 79.1°F 80.0°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F
St. George Island 77.8°F 79.2°F

Best time for vacation in Chicago

Sunniest months:
September 17 days
June 16 days
July 16 days
Warmest months:
July 80.1 °F
August 79.6 °F
June 74.0 °F
Warmest sea temp:
August 70.4 °F
July 68.5 °F
September 66.1 °F
Coldest months:
January 28.1 °F
February 31.1 °F
December 35.7 °F
Rainiest months:
June 6 days
May 6 days
July 5 days
Windiest months:
November 12.2 mph
January 12.0 mph
February 11.6 mph

Chicago on a weather map

Chicago
+72°F
NW 12 mph
Feels like: +75°F
Precip.: 2%
Places in USA:
Name
°F
+68°F
+75°F
+79°F
+91°F
+84°F
+86°F
+72°F
+91°F
+75°F
+72°F
+64°F
+77°F
+88°F
+72°F
24 Hours Forecast
Chicago
Local time: 15:54
September 14, monday
1800
72°F
NW
14 mph
2100
66°F
NW
16 mph
September 15, tuesday
0000
66°F
N
14 mph
0300
66°F
N
17 mph
0600
68°F
N
14 mph
0900
66°F
N
11 mph
1200
72°F
NE
9 mph
1500
77°F
E
7 mph
Units of measurement: °C / °F