Cape Cod, United StatesQuick decision
When to visit Cape Cod?
🌞 Best time overall
July
🌡️ Optimal temperature
20°C–26°C in July
🌧 Least rain
31% rainy days in July
🌧 Wettest month
January (36%)
📅 Best score
8.3/10
Monthly climate data
Cape Cod weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | 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
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Challenging climate
Average 11°C, 39% rainy days, 10.7h sunshine/day. Score: 5.4/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 31% rainy days, 13.0h sunshine/day. Score: 8.1/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 17°C, 33% rainy days, 9.8h sunshine/day. Score: 6.5/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 5°C, 37% rainy days, 7.6h sunshine/day. Score: 4.0/10.
Accommodation
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Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in Cape Cod
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 31% rainy days and 26°C.
January is the wettest month with 36% rainy days.
Yes, July is the best month with an average of 26°C.
In winter, the average score is 4.0/10. Difficult period — prefer the peak season.
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