Boston’s Back Bay skyline and the Charles River in warm evening light
United States · Destination guide
Boston, United States
Best seasonMay–Oct
CurrencyUnited States dollar (USD)
Plug typesA, B · 120 VCheck adapter →
Time zoneAmerica/New_York (UTC-4)
Emergency number911
Destination guide

A first look at Boston

Spend the first day on a manageable historic-street route and the North End, then choose a garden and harbor outing for the second. Leave time for individual admissions and meals instead of racing to every Freedom Trail stop.

Explore our Boston guides

Weather guide

Weather in Boston

Winter needs insulating layers and footwear with grip; summer calls for breathable clothes and rain protection. NOAA Logan Airport 1991–2020 monthly normals provide a seasonal baseline, while exposed harbor wind and actual travel dates need a current forecast.

15–19°C

Changeable temperatures with cooler mornings and evenings; keep rain protection accessible.

October · representative month, not a forecast
Evenings
7–11°C
Rain
Showers possible
Daylight
Use daylight for historic streets and park paths, with a layer for later returns.
See weather details →

What this means for packing

October calls for a shirt, removable sweater and rain-resistant jacket. Garden paths and exposed waterfront pauses may need more warmth than a brisk downtown walk. Shoes with grip help on wet leaves; put the longer outdoor route in daylight and check reduced site schedules.

Choosing a season

The best-season badge suggests months for general sightseeing, using the typical daytime temperatures and rainfall in our monthly guides. Beach holidays, festivals, winter sports and northern lights trips may suit different dates.

Climate methodology

NOAA NCEI Boston Logan International Airport station USW00014739, 1991–2020 normals: mean daily maximum 62.1°F (16.7°C), minimum 47.5°F (8.6°C); monthly precipitation 4.03 inches (102.4 mm). Clothing bands convert to Celsius, round and expand 2°C each way; these are outfit prompts, not forecast limits. Precipitation includes water-equivalent snow. Airport exposure differs from sheltered city streets and harbor decks; check your actual travel dates.

Reviewed 2026-10-13

NOAA NCEI: Boston Logan airport monthly normals · NPS: visitor access and weather · MBTA: current fares and transport

About the climate in Boston

Winter needs insulating layers and footwear with grip; summer calls for breathable clothes and rain protection. NOAA Logan Airport 1991–2020 monthly normals provide a seasonal baseline, while exposed harbor wind and actual travel dates need a current forecast.

Packing guide

What to wear in Boston in December.

An example packing list for Boston in December

Use this as a starting point and choose what suits your plans. Packtricia tailors your list and quantities to your trip length, weather and preferences.

Clothing

  • Underwear
  • Bras (if worn)
  • Socks
  • Sleepwear
  • Thermal long-sleeved base-layer top
  • Comfortable trousers
  • Warm sweater or fleece
  • Insulated wind-resistant coat
  • Water-resistant insulated boots with grip
  • Thermal leggings (for long outdoor stops)
  • Warm hat
  • Scarf
  • Insulated gloves

Toiletries

  • Toothbrush
  • Toothpaste
  • Shampoo
  • Conditioner
  • Body wash or soap
  • Deodorant
  • Skincare products
  • Sunscreen
  • Hairbrush or comb
  • Shaving supplies (if used)
  • Menstrual products (if needed)
  • Contact lens solution (if used)

Essentials

  • Passport or accepted travel ID
  • Travel tickets and booking confirmations
  • Wallet and payment cards
  • Phone
  • Charging cable and charger
  • Travel adapter (if needed)
  • Medication (if needed)
  • Glasses or contact lenses (if used)
  • Refillable water bottle
  • Day bag
  • Power bank (if needed)
  • Water-resistant pouch
  • Compact umbrella (if preferred)
Monthly weather and packing notes

December needs a proper insulating coat, sweater, scarf, hat and gloves. Boots with grip help when snow or ice affects historic streets, and a bag can hold removed layers indoors. Use daylight for garden and harbor views and confirm holiday opening before relying on an interior visit.

Daytime
4–8°C
Evenings
-4–0°C
Rain
Rain, snow or slush possible
Daylight
Shorter days: use daylight for garden and harbor views.
Packing style
Insulating layers and weather-resistant walking footwear

NOAA NCEI Boston Logan International Airport station USW00014739, 1991–2020 normals: mean daily maximum 42.2°F (5.7°C), minimum 29.2°F (-1.6°C); monthly precipitation 4.3 inches (109.2 mm). Clothing bands convert to Celsius, round and expand 2°C each way; these are outfit prompts, not forecast limits. Precipitation includes water-equivalent snow. Airport exposure differs from sheltered city streets and harbor decks; check your actual travel dates.

Outfit ideas for your outings

December on the downtown Freedom Trail

  • Thermal long-sleeved base-layer top
  • Warm sweater or fleece
  • Comfortable long trousers
  • Walking footwear with grip
  • Insulated wind-resistant coat

Public Garden and a quieter street walk

  • Thermal long-sleeved base-layer top
  • Warm sweater or fleece
  • Insulated wind-resistant coat
  • Comfortable trousers
  • Walking shoes with seasonal grip

Harbor viewpoint or available boat outing

  • Thermal long-sleeved base-layer top
  • Warm sweater or fleece
  • Insulated wind-resistant coat
  • Hat and warm gloves
  • Secure comfortable footwear

What to leave behind

  • Stiff unworn shoes: test footwear before historic brick paving, park paths and transit steps.
  • Only thin indoor clothes: winter waits and harbor wind need insulating layers.

Reviewed 2026-10-13

NOAA NCEI: Boston Logan airport monthly normals · NPS: visitor access and weather · MBTA: current fares and transport

Transport guide

Getting around Boston

Use MBTA Go for Boston-area arrivals, vehicle positions and service-closure information. Check fare payment separately: a live route or arrival screen is not a ticket, and commuter-rail journeys can use different products.

Check the operator’s current service notices and ticket instructions before travelling.

Practical essentials

Language and calling code

Language
English
Calling code
+1
Useful essentials for Boston
  • Walking shoes with seasonal grip
  • Warmth or a breathable layer for the month
  • Wind and rain protection
  • Small secure day bag
  • Historic-site confirmations and transport route
  • US socket adapter if needed

Do you need a visa?

Check travel-document and visa requirements for your passport, destination and transit stops.

Check your requirements on TravelDoc

Use the checker as a starting point, then confirm requirements with the relevant government or embassy before travelling.

Things to do in Boston

Find a guided walk or an attraction visit to fit around your plans in Boston.

Stay connected

Mobile data for your trip. Check what your current plan includes for roaming. If you need another option for maps, messages and booking details, compare NXTL eSIM coverage and rates. Check that your phone supports eSIM and is unlocked, and check coverage for every stop. Download important maps and confirmations for offline use too.