World Resorts USA Provincetown Weather

Provincetown sea water temperature

Current sea water temperature:
+47.8°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: 47.4°F

Sea water temperature for the last 10 days:

December 5 47.8°F November 30 48.2°F
December 4 48.2°F November 29 48.7°F
December 3 48.2°F November 28 49.6°F
December 2 48.6°F November 27 50.0°F
December 1 48.2°F November 26 49.6°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.

Best time for vacation in Provincetown

Sunniest months:
November 15 days
June 13 days
August 13 days
Warmest months:
July 74.3 °F
August 73.5 °F
September 68.6 °F
Warmest sea temp:
August 68.4 °F
July 67.5 °F
September 65.3 °F
Coldest months:
January 36.2 °F
February 36.5 °F
December 41.8 °F
Rainiest months:
January 3 days
April 3 days
October 3 days
Windiest months:
January 14.5 mph
February 14.2 mph
December 14.1 mph

Provincetown on a weather map

Provincetown
+19°F
SE 27 mph
Feels like: +3°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Provincetown
Local time: 02:39
December 05, friday
0300
19°F
SE
27 mph
0600
19°F
SE
12 mph
0900
21°F
SE
6 mph
1200
25°F
NE
8 mph
1500
28°F
NE
16 mph
1800
30°F
NE
14 mph
2100
32°F
NE
12 mph
December 06, saturday
0000
34°F
NE
11 mph
Units of measurement: °C / °F