30YearWeather
Nantucket in January
Nantucket weather in January - United States
❄️Cool & Crisp

Nantucket Weather in January

Plan your January trip to Nantucket, United States. Based on 30 years of NASA data, expect temperatures of 4°C (high) to 0°C (low), with 29% rain probability and 8 hours of daily sunshine. Pack rain gear for around 23 rainy days.

Avg High
4°C

Hottest around day 1

Avg Low
0°C

Coolest around day 22

Rainy Days
23days

29% avg rain chance

Sunshine
8hrs/day

Winter season

Nantucket January 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 January a Good Time to Visit Nantucket?

👍Solid choice for most travelers
Short Answer

January brings winter conditions to Nantucket with 5°C average highs. The 29% precipitation chance may include snow. Essential: warm coat, layers, and waterproof footwear.

Decision Factors

Cold weather expected

4.5°C average highs

Wind chill makes it feel colder

Feels like -2°C with 42.1km/h wind

Off-peak season - fewer crowds

Only 12% of peak - better deals and empty crowds

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

  • 🌡️
    Heat-sensitive visitors

    Manageable 4.5°C without oppressive humidity

Who Should Avoid

  • 🏖️
    Beach lovers

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

  • 👴
    Elderly travelers

    -2°C temperatures require extra precautions

  • 💑
    Honeymoon couples

    Wedding score only 22/100 - better months available

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nantucket in January averages 4°C with 29% precipitation probability."

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

Frequently Asked Questions: Nantucket in January

What are the temperatures in Nantucket in January?

Daytime highs average 4°C, nights drop to 0°C. Temperatures remain fairly consistent.

How many rainy days in Nantucket in January?

Expect around 23 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Nantucket in January?

Warm winter clothing: insulated jacket, boots, gloves.

Is January peak season in Nantucket?

This is shoulder season—moderate prices and manageable crowds.