Boston has 4 distinct seasons. Fall is spectacular (foliage). Spring is mild but rainy. Summer is humid. Winter is cold + snowy but charming.
Quick Answer: Best Months for Boston
Best months overall: May, June, September, October
Cheapest months: January, February (cold), August (hot + tourists)
Weather overview: Boston is humid continental: cold snowy winters (20-40F), hot humid summers (70-85F), gorgeous springs (50-70F) and falls (45-65F).
Month-by-Month Guide to Boston
January
Cold (20-40F). Cheap. Snow possible. NYE recovery.
February
Cold (20-40F). Cheap. Snow + Valentine’s at Fenway tour.
March
Cool (30-50F). St. Patrick’s parade. Spring training in nearby Fort Myers.
April
Mild (40-60F). Boston Marathon (Patriots Day mid-April). Red Sox open.
May
Mild (55-70F). BEST MONTH – perfect weather, flowers blooming.
June
Warm (60-80F). BEST MONTH – perfect weather, longer days, Red Sox active.
July
Warm (70-85F). 4th of July HUGE in Boston. Humid + crowded.
August
Warm (70-85F). Most humid. Many Bostonians vacation.
September
Mild (60-80F). BEST MONTH – perfect weather, college towns reawake.
October
Mild (50-70F). BEST MONTH – PEAK FALL FOLIAGE mid-October. Marathon.
November
Cool (40-60F). Lower crowds. Pre-Thanksgiving deals.
December
Cold (30-45F). Christmas in Boston. Boston Common holiday lights.
How to Save Money on Your Boston Trip
Visit shoulder season: May/September/October offer 20-30% lower hotel rates with similar weather.
Book 2-3 months ahead: Flights and hotels are cheapest 8-12 weeks out.
Travel midweek: Tuesday-Wednesday flights are 20-30% cheaper.
FAQ
What is the cheapest time to visit Boston?
The cheapest months are January, February (cold), August (hot + tourists). Hotels drop 30-50% off peak.
When is peak season in Boston?
Peak season is May, June, September, October when weather is ideal.
Does Boston get hot in summer?
Boston is humid continental: cold snowy winters (20-40F), hot humid summers (70-85F), gorgeous springs (50-70F) and falls (45-65F). Plan summer activities for early morning or indoors.
What festivals happen in Boston?
Each city has signature festivals – check local calendars. Plan around them for either to attend (book hotels 4+ months ahead) or avoid crowds + price spikes.
How early should I book for the best season?
Book 2-3 months ahead for spring/fall. Book 4-6 months ahead for major events. Last-minute deals are rare in peak season.
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