Cape Cod · SummerMonth summary
Cape Cod weather in August
✅ Good
🌡️ Temperature min / max
20°C – 25°C
🌧 Rainy days
28% of days
☀️ Sunshine
12.7h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.2/10
📅 📅 Best month
July (8.3/10)
Quick decision
Should you visit Cape Cod in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: Favourable conditions in August (8.2/10). July scores higher but the gap is small.
By trip type
Cape Cod in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
Summer in Cape Cod brings pleasant temperatures (25°C) and long sunny days (12.7h of sunshine). Expect rain on 28% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.3/10) remains theoretically better.
Browse by month
All months for Cape Cod
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | -2°C | 4°C | 36% | 4.0 | 7.6h | 4.0/10 |
| 🌦️ February | -1°C | 5°C | 39% | 3.8 | 8.1h | 4.0/10 |
| 🌦️ March | 2°C | 7°C | 35% | 3.9 | 9.7h | 4.3/10 |
| 🌦️ April | 5°C | 11°C | 39% | 3.7 | 10.6h | 5.0/10 |
| 🌦️ May | 10°C | 16°C | 42% | 3.5 | 11.7h | 7.0/10 |
| 🌤️ June | 16°C | 22°C | 33% | 2.6 | 13.3h | 7.8/10 |
| 🌤️ July | 20°C | 26°C | 31% | 2.7 | 13.0h | 8.3/10 |
| 🌤️ August | 20°C | 25°C | 28% | 2.4 | 12.7h | 8.2/10 |
| 🌤️ September | 17°C | 22°C | 34% | 3.9 | 11.0h | 7.5/10 |
| ⛅ October | 12°C | 17°C | 34% | 4.5 | 9.8h | 7.0/10 |
| 🌫️ November | 5°C | 11°C | 30% | 2.9 | 8.5h | 5.0/10 |
| 🌦️ December | 1°C | 6°C | 36% | 4.0 | 7.1h | 4.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Cape Cod averages 25°C, 28% rainy days and 12.7h of sunshine per day. Overall weather score: 8.2/10.
See methodology →
Comparison
August vs July (best month)
The best month is July (score 8.3/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : +3%
- ☀️ Sunshine : +0.3h/day
FAQ
FAQ — Cape Cod in August
Is August a good time to visit Cape Cod?
August is an excellent time to visit Cape Cod (score 8.2/10). With 25°C, 12.7h of sunshine and 28% rain, conditions are very favourable.
What to do in Cape Cod in August?
With 25°C and 12.7h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
Find a place to stay in Cape Cod
Find places to stay in Cape Cod in August
Search on Hotels.com
Activities & tours
Activities and tours in Cape Cod
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Cape Cod
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in August
Toronto
Sarajevo🌍 Top destinations
Other top destinations in August
Larnaca
Saint Thomas
Cape Verde
Djerba
Turks and CaicosWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons