Weather in Provincetown: May
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Average day temperature: | 57.6°F |
| Average night temperature: | 51.9°F | |
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Sea water temperature: | 50.6°F |
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Number of sunny days: | 10 days |
| Day length: | 14.1 - 15.0 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Provincetown |
sea water
temperature
temperature
| Provincetown |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 59°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during May were 52.5°F and 50.6°F.
Sea water temperature in Provincetown in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 49.9°F. The highest and lowest sea temperatures during the month were 53.6°F and 45.9°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 Provincetown in May is 0.9 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 11.8 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 Provincetown
Provincetown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Provincetown
Local time: 15:10
January 11, sunday
1800
41°F
SE
16 mph
16 mph
2100
39°F
SE
29 mph
29 mph
January 12, monday
0000
36°F
E
28 mph
28 mph
0300
34°F
E
32 mph
32 mph
0600
30°F
E
34 mph
34 mph
0900
30°F
E
30 mph
30 mph
1200
32°F
E
25 mph
25 mph
1500
34°F
E
22 mph
22 mph
