Cape Cod

Cape Cod Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Cape Cod, the United States of America in August.

Considering a trip to Cape Cod, the United States of America this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Cape Cod in August

Cape Cod, the United States of America is a region in the United States of America. August in Cape Cod generally has warm temperatures, with moderate precipitation. August falls during the summer season.

Temperatures

You can expect warm maximum daytime temperatures of around 25°C (77°F) and nighttime temperatures around 18°C (64°F) in Provincetown (P-town).

To explore the conditions in Cape Cod, the United States of America in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Provincetown (P-town) with an average of 65 mm (2.6 in) to moderate rainfall in Sandwich with 88 mm (3.5 in). Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in Provincetown (P-town), marking it as the year's driest month.

Explore Cape Cod by month

Pick a month to see the average temperature, rainfall and sunshine in Cape Cod — and find the best time to visit. (based on Provincetown (P-town))

Best Places to Visit in Cape Cod in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Cape Cod.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Cape Cod

What is the weather like in August for some of the most popular destinations in Cape Cod, the United States of America?

Temperature range in Cape Cod (August)

Precipitation variation in Cape Cod (August)

Provincetown (P-town)

In August Provincetown (P-town) generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
25°C (77°F)
22°C (72°F)
Min temperature
19°C (66°F)
18°C (64°F)
14°C (57°F)
Monthly rainfall
77 mm (3 in)
65 mm (2.6 in)
74 mm (2.9 in)
Monthly rainy days
10 days
9 days
8 days
Weather conditions

Dennis

In August Dennis generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
22°C (72°F)
Min temperature
19°C (66°F)
18°C (64°F)
14°C (57°F)
Monthly sun hours
301 hours
278 hours
231 hours
Monthly rainfall
84 mm (3.3 in)
80 mm (3.1 in)
98 mm (3.9 in)
Monthly rainy days
10 days
9 days
8 days
Weather conditions

Falmouth

In August Falmouth generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
23°C (73°F)
Min temperature
19°C (66°F)
17°C (63°F)
14°C (57°F)
Monthly sun hours
301 hours
278 hours
231 hours
Monthly rainfall
89 mm (3.5 in)
79 mm (3.1 in)
94 mm (3.7 in)
Monthly rainy days
11 days
9 days
8 days
Weather conditions

Chatham

In August Chatham generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
22°C (72°F)
Min temperature
18°C (64°F)
18°C (64°F)
15°C (59°F)
Monthly sun hours
301 hours
278 hours
231 hours
Monthly rainfall
85 mm (3.3 in)
71 mm (2.8 in)
82 mm (3.2 in)
Monthly rainy days
9 days
8 days
8 days
Weather conditions

Eastham

In August Eastham generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
22°C (72°F)
Min temperature
19°C (66°F)
18°C (64°F)
15°C (59°F)
Monthly sun hours
301 hours
278 hours
231 hours
Monthly rainfall
84 mm (3.3 in)
76 mm (3 in)
90 mm (3.5 in)
Monthly rainy days
10 days
9 days
8 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Cape Cod, in the United States of America.

Popular cities in August

Day & night temperatures, rainfall and average weather in Cape Cod in August.

City Weather Day temp Night temp Rainfall
Provincetown (P-town) 25°C (77°F) 18°C (64°F) 65 mm (2.6 in)
Dennis 26°C (79°F) 18°C (64°F) 80 mm (3.1 in)
Falmouth 26°C (79°F) 17°C (63°F) 79 mm (3.1 in)
Chatham 25°C (77°F) 18°C (64°F) 71 mm (2.8 in)
Eastham 26°C (79°F) 18°C (64°F) 76 mm (3 in)
Sandwich 26°C (79°F) 17°C (63°F) 88 mm (3.5 in)

Cape Cod weather in August: frequently asked questions

What is the weather like in Cape Cod, the United States of America in August?

August in Cape Cod, the United States of America brings perfect weather. In Provincetown (P-town), daytime temperatures are typically around 25°C (77°F) and nighttime lows hover near 18°C (64°F).

What is the average temperature in Cape Cod, the United States of America in August?

In Provincetown (P-town), the average daytime high in August is 25°C (77°F), while nighttime temperatures drop to around 18°C (64°F).

Does Cape Cod, the United States of America get a lot of rain in August?

August is on the drier side in Cape Cod, the United States of America. Provincetown (P-town) averages only about 65 mm (2.6 in), with most days staying dry.

Is August a Good Time to Visit Cape Cod, the United States of America?

We consider August to be one of the best times to travel to Cape Cod, the United States of America. Typically, the climate in Provincetown (P-town) is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, June, July, August and September provide perfect weather in Provincetown (P-town). The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Cape Cod.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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