World Resorts USA Chicago Weather

Chicago sea water temperature

Current sea water temperature:
+39.2°F
Minimum sea water temperature in December: 47.7°F
Maximum sea water temperature in December: 32.2°F
Average sea water temperature in December: 40.8°F

Sea water temperature for the last 10 days:

December 21 39.2°F December 16 39.4°F
December 20 39.0°F December 15 39.4°F
December 19 38.8°F December 14 39.2°F
December 18 38.8°F December 13 39.4°F
December 17 39.6°F December 12 39.6°F

When is the warmest sea in Chicago?

Based on the data about daily sea water temperature for the last three years the warmest sea in Chicago was noticed in August, July and September.

Monthly Sea Temperatures in Chicago, °F

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 74.5°F. The highest and lowest sea temperatures during the month were 76.6°F and 72.1°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 71.3°F. The highest and lowest sea temperatures during the month were 75.0°F and 65.8°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 71.6°F. The highest and lowest sea temperatures during the month were 75.2°F and 68.5°F.

Best time for vacation in Chicago

Sunniest months:
July 16 days
August 16 days
September 16 days
Warmest months:
July 80.2 °F
August 79.9 °F
June 74.0 °F
Warmest sea temp:
August 70.0 °F
July 67.8 °F
September 66.2 °F
Coldest months:
January 28.4 °F
February 30.9 °F
December 36.1 °F
Rainiest months:
June 7 days
May 7 days
July 6 days
Windiest months:
November 12.3 mph
January 12.0 mph
February 11.8 mph

Chicago on a weather map

Chicago
+23°F
SE 2 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+23°F
+28°F
+75°F
+75°F
+61°F
+59°F
+68°F
+25°F
+55°F
+57°F
+55°F
+55°F
+54°F
+54°F
+23°F
24 Hours Forecast
Chicago
Local time: 20:50
December 21, saturday
2100
23°F
SE
2 mph
December 22, sunday
0000
23°F
NE
2 mph
0300
23°F
N
5 mph
0600
25°F
N
8 mph
0900
27°F
N
9 mph
1200
30°F
N
12 mph
1500
34°F
N
14 mph
1800
34°F
N
15 mph
Units of measurement: °C / °F