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. | |
| more information | ||
14 days
forecast
forecast
| Dennis Port |
sea water
temperature
temperature
| Dennis Port |
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
Dennis Port on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dennis Port
Local time: 18:09
December 23, tuesday
2100
37°F
NW
13 mph
13 mph
December 24, wednesday
0000
37°F
E
16 mph
16 mph
0300
37°F
E
16 mph
16 mph
0600
37°F
E
21 mph
21 mph
0900
37°F
SE
26 mph
26 mph
1200
39°F
SE
35 mph
35 mph
1500
41°F
S
27 mph
27 mph
1800
39°F
S
21 mph
21 mph
