Peak in August
Coolest in February
Heavy in April
Peak in dry season
Nantucket Monthly Weather Guide
Click any month to explore daily weather forecasts
January
February
March
April
May
June
July
August
September
October
November
December
Essential Travel Info for Nantucket
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Best Time to Visit Nantucket
Location, climate overview & historical trends
Tap to Explore Map
📍 41.2835° N, 70.0995° W
Open in Google MapsNantucket is a prominent destination in United States.
Located at 41.28°N latitude,Nantucket experiences a temperate climate with four distinct seasons.
Based on 30 years of data, August is the warmest month (avg. 21°C), while February is the coolest. April sees the most rain (29% chance), making July the driest month.
Historical Climate Trend
30-Year Analysis+1.82°C
Total over 30 years
+0.61°C
Per decade
Linear regression analysis of historical maximum temperatures for Nantucket, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)June, July, August
Best months to visit
12°C
Avg High
Based on 30 years of NASA satellite data,Nantucket receives approximately 709mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
11.6°
2024 Avg
13°
2040 Proj
13.7°
+0.61°C
per decade (observed)
+0.41°C
per decade (CMIP6)
🌡️ Nantucket has warmed by +1.8°C since 1995. By 2040, an additional +0.7°C is projected (based on CMIP6 rate of 0.411°C/decade), for a total of +2.5°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for Nantucket
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Flight Connectivity Analysis
Airport traffic data & seasonal patterns
Balanced traffic
0
slots per day
Peak
Aug
Low
Apr
Monthly Traffic Distribution
Key Connections
Health & Safety Advisory
CDC travel health recommendations
No Special Vaccinations Required
Standard travel precautions apply
Source: CDC Travelers' Health
View Complete Health GuideNantucket Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 4°C | 29% | ❄️ Cold |
| February | 4°C | 28% | ❄️ Cold |
| March | 5°C | 26% | Neutral |
| April | 8°C | 29% | Neutral |
| May | 12°C | 25% | Neutral |
| June | 17°C | 22% | 😊 Pleasant |
| July | 21°C | 18% | ✨ Perfect |
| August | 21°C | 21% | ✨ Perfect |
| September | 19°C | 20% | 😊 Pleasant |
| October | 16°C | 26% | 😊 Pleasant |
| November | 11°C | 24% | Neutral |
| December | 7°C | 28% | Neutral |
Weather in Cities Near Nantucket
Explore climate data for popular destinations within easy reach
Boston
United States
New York
United States
Montreal
Canada
Quebec City
Canada
Ottawa
Canada
Washington DC
United States
Compare weather conditions with nearby destinations for your trip planning
Compare Nantucket Weather vs Popular Destinations
Similar Climate Destinations
Discover destinations with weather similar to Nantucket
Amsterdam
Netherlands
Antwerp
Belgium
Aspen
United States
Bariloche
Argentina
Berlin
Germany
Bruges
Belgium
These destinations share similar weather patterns with Nantucket. Perfect alternatives if you're looking for the same climate in a different location.
Nantucket Weather FAQ
When is the best time to visit Nantucket?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, June, July, August are usually great choices.
When is the hottest month in Nantucket?
August is historically the hottest month in Nantucket with average highs of 21°C.
When does it rain the most in Nantucket?
April typically sees the highest probability of rain (29%).
Is Nantucket expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.