World Resorts USA Petoskey Weather

Petoskey sea water temperature

Current sea water temperature:
+35.2°F
Minimum sea water temperature in December: 48.0°F
Maximum sea water temperature in December: 35.2°F
Average sea water temperature in December: 41.9°F

Sea water temperature for the last 10 days:

December 28 35.2°F December 23 37.9°F
December 27 35.6°F December 22 39.9°F
December 26 36.1°F December 21 40.5°F
December 25 36.1°F December 20 40.5°F
December 24 36.3°F December 19 40.5°F

When is the warmest sea in Petoskey?

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

Monthly Sea Temperatures in Petoskey, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 73.4°F and 67.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 60.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 67.6°F and 63.7°F.

Best time for vacation in Petoskey

Sunniest months:
September 13 days
August 13 days
July 13 days
Warmest months:
August 73.9 °F
July 73.5 °F
September 68.0 °F
Warmest sea temp:
August 70.7 °F
July 67.7 °F
September 66.9 °F
Coldest months:
February 25.1 °F
January 25.7 °F
December 31.8 °F
Rainiest months:
October 3 days
July 2 days
March 2 days
Windiest months:
November 11.4 mph
December 10.8 mph
February 10.8 mph

Petoskey on a weather map

Petoskey
+34°F
W 10 mph
Feels like: +25°F
Precip.: 100%
Places in USA:
Name
°F
+41°F
+75°F
+75°F
+59°F
+68°F
+77°F
+75°F
+72°F
+32°F
+72°F
+54°F
+72°F
+73°F
+77°F
+48°F
24 Hours Forecast
Petoskey
Local time: 17:35
December 28, sunday
1800
34°F
W
10 mph
2100
34°F
W
14 mph
December 29, monday
0000
32°F
W
17 mph
0300
32°F
NW
11 mph
0600
27°F
N
20 mph
0900
21°F
SE
21 mph
1200
19°F
S
27 mph
1500
21°F
S
26 mph
Units of measurement: °C / °F