World Resorts USA South Haven Weather

South Haven sea water temperature

Current sea water temperature:
+47.1°F
Minimum sea water temperature in December: 49.6°F
Maximum sea water temperature in December: 38.5°F
Average sea water temperature in December: 44.6°F

Sea water temperature for the last 10 days:

December 4 47.1°F November 29 47.8°F
December 3 47.1°F November 28 48.4°F
December 2 47.1°F November 27 48.9°F
December 1 47.1°F November 26 49.1°F
November 30 47.3°F November 25 49.5°F

When is the warmest sea in South Haven?

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

Monthly Sea Temperatures in South Haven, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 77.2°F and 65.5°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.4°F. The highest and lowest sea temperatures during the month were 70.0°F and 66.2°F.

Best time for vacation in South Haven

Sunniest months:
September 16 days
August 15 days
July 14 days
Warmest months:
July 76.7 °F
August 76.7 °F
September 72.3 °F
Warmest sea temp:
August 72.0 °F
July 71.8 °F
September 69.0 °F
Coldest months:
January 29.7 °F
February 30.7 °F
December 36.7 °F
Rainiest months:
July 3 days
May 3 days
June 2 days
Windiest months:
November 13.5 mph
March 12.5 mph
December 12.4 mph

South Haven on a weather map

South Haven
+10°F
N 11 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
South Haven
Local time: 01:56
December 05, friday
0300
10°F
N
11 mph
0600
10°F
N
12 mph
0900
19°F
N
13 mph
1200
25°F
N
14 mph
1500
32°F
NE
16 mph
1800
28°F
N
16 mph
2100
30°F
NE
17 mph
December 06, saturday
0000
32°F
NE
18 mph
Units of measurement: °C / °F