September on Boston Common with skyline

Best time to visit Boston for good weather

When is the best weather in Boston? Monthly breakdown of temperature, rainfall, and sunshine hours — ranked by what actually matters for your trip.

Best month

September

University move-in chaos first weekend, then the best Boston month — 23°C, dry blue skies, foliage prelude.

Best balance of weather, crowds, prices after Labor Day

Harbor cruises and whale-watching still daily

Red Sox playoff push at Fenway

All months ranked — Good weather

September

Best match

University move-in chaos first weekend, then the best Boston month — 23°C, dry blue skies, foliage prelude.

#1 for good weather

October

Best match

Fall foliage peak (Oct 10-25) plus Salem Halloween Month — Boston's most photographed weeks.

#2 for good weather

May

Best match

Peak spring — 19°C, magnolias on Commonwealth Avenue, every harbor cruise reopens.

#3 for good weather

April

Best match

Patriots' Day weekend — Boston Marathon (third Mon), Red Sox at Fenway, spring tulips on Comm Ave.

#4 for good weather

June

Best match

Bunker Hill Day, Pride parade, university grads gone — Boston at warm peak.

#5 for good weather

July

Strong option

July 4th at the Esplanade — Boston Pops, fireworks over the Charles, full patriotic Americana.

#6 for good weather

March

Strong option

St Patrick's Day — Boston's most Irish weekend, parade in Southie, Guinness everywhere.

#7 for good weather

August

Strong option

Maximum visitor density — Freedom Trail conga line, North End feast weekends, Cape Cod gridlock.

#8 for good weather

November

Strong option

Thanksgiving in Plymouth (30 min south, original 1621 site) — the most authentically American week.

#9 for good weather

December

Worth considering

Holiday Boston — Faneuil Hall tree (the country's second-tallest), Boston Tea Party reenactment (16 Dec).

#10 for good weather

January

Worth considering

Nor'easter season — snowed-in Beacon Hill cobbles, museum culture, Restaurant Week prices.

#11 for good weather

February

Worth considering

Coldest month — Harvard reading week brings university energy without tourism.

#12 for good weather

Other priorities for Boston

Good weather in other destinations

Scores are directional — designed to compare months within Boston, not to make precise claims. Full methodology →