The month in detail
What to expect in May
Spring marks the start of the good season in Cape Cod. Temperatures rise (61°F) and tourists have not yet arrived en masse. Expect rain on 30% of days — a light raincoat in the bag is recommended.
May ranks 5 out of 12 months in Cape Cod. Compared to April: +9°F daytime, +0.5h of sun per day.
This month's conditions
What it's like in May
UV index
6 · high
sunscreen and hat advised
Feels like
dry air
9°
Sea
14°C
cold, for the brave
Daylight
14.4h of daylight
Air quality
good
AQI 32
Compare
Is May the right month?
The best month in Cape Cod is August (8.5/10), 4.0 pts higher than May.
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 May
If May 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 May?
In May, the sea averages 58°F in Cape Cod: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Cape Cod in May?
The average UV index reaches 6 in May in Cape Cod (high), with about 14.4h of daylight. Sunscreen and hat advised.