World Resorts USA Provincetown Weather

Provincetown weather in August

Weather in Provincetown: August

Average day temperature: 73.5°F
Average night temperature: 67.8°F
Sea water temperature: 68.4°F
Number of sunny days: 13 days
Day length: 13.2 - 14.4 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 74°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during August were 67.4°F and 65.4°F.

Sea water temperature in Provincetown 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.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Provincetown in August is 0.9 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 9.7 mph It makes August lest windy month of the year.

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 August is: 8.3.

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
+21°F
SE 33 mph
Feels like: +1°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Provincetown
Local time: 23:12
December 05, friday
0000
21°F
SE
33 mph
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
Units of measurement: °C / °F