30YearWeather
Nantucket in May
Nantucket weather in May - United States
🌤️Mild & Comfortable

Nantucket Weather in May

Plan your May trip to Nantucket, United States. Based on 30 years of NASA data, expect temperatures of 12°C (high) to 10°C (low), with 25% rain probability and 8 hours of daily sunshine. Pack rain gear for around 13 rainy days.

Avg High
12°C

Hottest around day 31

Avg Low
10°C

Coolest around day 1

Rainy Days
13days

25% avg rain chance

Sunshine
8hrs/day

Spring season

Nantucket May Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Nantucket

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
44/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Apr

Monthly Traffic Distribution

17
Jan
15
Feb
15
Mar
15
Apr
31
May
102
Jun
96
Jul
142
Aug
74
Sep
33
Oct
17
Nov
17
Dec
Traffic Level
Low Season

Key Connections

Boston General Edward Lawrence Logan (BOS)
Hyannis Barnstable Municipal Boardman Polando Field (HYA)
White Plains Westchester County (HPN)
Martha's Vineyard (MVY)
Teterboro (TEB)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is May a Good Time to Visit Nantucket?

👍Solid choice for most travelers
Short Answer

Shoulder-season May in Nantucket delivers: 12°C comfortable weather, 25% rain chance, and significant savings as visitor numbers sit at 22% capacity.

Decision Factors

Very high humidity

86% average humidity

Off-peak season - fewer crowds

Only 22% of peak - better deals and quiet crowds

Plenty of sunshine

9.8h of sunshine daily

Good For

  • 💰
    Budget travelers

    Off-peak pricing with acceptable weather conditions

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 👴
    Elderly travelers

    86% humidity creates difficult conditions

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nantucket in May averages 12°C with 25% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Nantucket in May

What are the temperatures in Nantucket in May?

Daytime highs average 12°C, nights drop to 10°C. Temperatures remain fairly consistent.

How many rainy days in Nantucket in May?

Expect around 13 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Nantucket in May?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is May peak season in Nantucket?

This is shoulder season—moderate prices and manageable crowds.