Weather in Provincetown: May
 |
Average day temperature: | 57.8°F |
| Average night temperature: | 51.8°F | |
 |
Sea water temperature: | 50.6°F |
 |
Number of sunny days: | 11 days |
| Day length: | 14.1 - 15.0 hours | |
 |
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:
2026
2025
2024
The highest day temperature during May of 2026 was 74°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during May were 59.3°F and 51.5°F.
Sea water temperature in Provincetown in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 50.6°F. The highest and lowest sea temperatures during the month were 55.6°F and 44.8°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 12.2 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: 8.0.
Best time for vacation in Provincetown
Provincetown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Provincetown
Local time: 06:10
September 19, saturday
0900
57°F
SW
19 mph
19 mph
1200
57°F
SW
17 mph
17 mph
1500
57°F
SW
12 mph
12 mph
1800
57°F
W
9 mph
9 mph
2100
59°F
NW
11 mph
11 mph
September 20, sunday
0000
59°F
NW
11 mph
11 mph
0300
59°F
NW
9 mph
9 mph
0600
59°F
NW
10 mph
10 mph
