The month in detail
What to expect in August
Summer in Cape Cod brings pleasant temperatures (77°F) and long sunny days (8.0h of sunshine). Rain risk remains low (22% of days), leaving good room for outdoor activities.
August is the best month of the year in Cape Cod. Compared to July: −2°F daytime.
This month's conditions
What it's like in August
UV index
7 · high
sunscreen and hat advised
Feels like
muggy at times
19°
Sea
25°C
pleasant for swimming
Daylight
13.7h of daylight
Air quality
fair
AQI 41
Compare
Is August the right month?
August is actually the best month of the year in Cape Cod. Good timing.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Cape Cod
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Cape Cod
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.
Country · United States
🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 79°F
❄️Coolest monthJanuary · 39°F
🌧️Rainiest month ⓘMay · 30%
🏖️ Beach trip
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in August
If August doesn't convince you for this destination, compare with others.
Location
Where is Cape Cod ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
United StatesTemperate oceanic climate with a 8.5 → 1.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
41.67°N · 70.22°W
Questions
Frequently asked questions
What is the best time to visit Cape Cod?
July is the best month with 79°F highs, 68°F lows, 8.1h of sunshine and 24.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Cape Cod get in July?
Cape Cod averages 8.1 sunshine hours per day in July. It is the sunniest month with a climate score of 8.0/10.
What is the rainiest month in Cape Cod?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Cape Cod in July?
In July, overnight lows reach 68°F, while afternoon highs average 79°F.
Is Cape Cod good in winter?
In winter (December-February), Cape Cod scores 1.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.0/10.
When should you avoid Cape Cod?
January is the most difficult month to visit Cape Cod, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Cape Cod in August?
In August, the sea averages 77°F in Cape Cod: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Cape Cod in August?
The average UV index reaches 7 in August in Cape Cod (high), with about 13.7h of daylight. Sunscreen and hat advised.