World Resorts USA Port Clinton Weather

Port Clinton weather in May

Weather in Port Clinton: May

Average day temperature: 63.0°F
Average night temperature: 54.6°F
Sea water temperature: 57.8°F
Number of sunny days: 10 days
Day length: 14.0 - 15.0 hours
Number of rainy days: 3 days
Precipitation totals: 1.2 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 76°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during May were 59.6°F and 53.0°F.

Sea water temperature in Port Clinton in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 59.6°F. The highest and lowest sea temperatures during the month were 63.1°F and 54.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Port Clinton in May is 1.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 10.3 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 May is: 7.7.

Best time for vacation in Port Clinton

Sunniest months:
September 16 days
August 14 days
October 14 days
Warmest months:
July 78.7 °F
August 77.3 °F
June 74.4 °F
Warmest sea temp:
July 78.0 °F
August 77.1 °F
September 71.7 °F
Coldest months:
January 30.9 °F
February 32.3 °F
December 38.0 °F
Rainiest months:
July 4 days
April 3 days
May 3 days
Windiest months:
March 12.6 mph
November 12.5 mph
December 11.9 mph

Port Clinton on a weather map

Port Clinton
+16°F
N 6 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Port Clinton
Local time: 23:42
December 05, friday
0000
16°F
N
6 mph
0300
18°F
N
7 mph
0600
16°F
N
9 mph
0900
18°F
NE
8 mph
1200
25°F
NE
11 mph
1500
28°F
NE
11 mph
1800
28°F
NE
9 mph
2100
25°F
NE
11 mph
Units of measurement: °C / °F