World Resorts USA Dennis Port Weather

Dennis Port weather in May

Weather in Dennis Port: May

Average day temperature: 58.5°F
Average night temperature: 52.7°F
Sea water temperature: 54.0°F
Number of sunny days: 10 days
Day length: 14.0 - 15.0 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 69°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during May were 61.2°F and 53.3°F.

Sea water temperature in Dennis Port in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 58.3°F and 48.6°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 Dennis Port in May is 0.8 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 11.6 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: 7.5.

Best time for vacation in Dennis Port

Sunniest months:
November 15 days
June 13 days
August 13 days
Warmest months:
July 75.7 °F
August 74.7 °F
September 69.3 °F
Warmest sea temp:
August 72.9 °F
July 71.9 °F
September 69.0 °F
Coldest months:
January 36.7 °F
February 37.0 °F
December 42.5 °F
Rainiest months:
January 3 days
October 3 days
April 2 days
Windiest months:
January 14.0 mph
March 13.9 mph
November 13.7 mph

Dennis Port on a weather map

Dennis Port
+21°F
SE 25 mph
Feels like: +7°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
Dennis Port
Local time: 23:40
December 05, friday
0000
21°F
SE
25 mph
0300
19°F
SE
20 mph
0600
18°F
S
12 mph
0900
21°F
SE
4 mph
1200
28°F
NE
6 mph
1500
32°F
NE
11 mph
1800
30°F
NE
8 mph
2100
32°F
NE
6 mph
Units of measurement: °C / °F