Current sea water temperature:
+44.8°F
| Minimum sea water temperature in December: | 50.9°F |
| Maximum sea water temperature in December: | 43.7°F |
| Average sea water temperature in December: | 47.3°F |
| more information | |
14 days
forecast
forecast
| Provincetown |
monthly
weather
weather
| Provincetown |
Sea water temperature for the last 10 days:
| December 16 | 44.8°F | December 11 | 46.4°F |
| December 15 | 45.3°F | December 10 | 46.9°F |
| December 14 | 45.7°F | December 9 | 47.5°F |
| December 13 | 45.1°F | December 8 | 47.5°F |
| December 12 | 45.7°F | December 7 | 47.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Provincetown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Provincetown was noticed in August, July and September.
Monthly Sea Temperatures in Provincetown, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.8°F. The highest and lowest sea temperatures during the month were 72.5°F and 62.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 69.6°F and 63.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 67.5°F and 61.7°F.
current
weather
weather
| Provincetown |
weather in
December
December
| Provincetown |
Best time for vacation in Provincetown
Provincetown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Provincetown
Local time: 08:57
December 16, tuesday
0900
30°F
E
15 mph
15 mph
1200
32°F
NE
11 mph
11 mph
1500
34°F
NE
14 mph
14 mph
1800
36°F
NE
12 mph
12 mph
2100
36°F
NE
19 mph
19 mph
December 17, wednesday
0000
37°F
NE
22 mph
22 mph
0300
37°F
NE
28 mph
28 mph
0600
39°F
NE
30 mph
30 mph
