When to go · Boston, United States
Best time to visit Boston
The sweet spot is June, September and July — averages 20°C, 10 rainy days, peak-season crowds and peak prices.
May–June and September–October; October brings New England's autumn colour. Summer is warm and busy; winters are cold and snowy.
Humid continental: warm summers (26–28°C), cold snowy winters (-2 to 3°C) with nor'easter storms. Autumn is crisp and bright.
The short answer
20°C · 10 rainy days · high season
19°C · 8 rainy days · high season
23°C · 9 rainy days · high season
Hardest months: December and January. averages a raw 1°C, 11 rainy days, moderate crowds.
Month by month
| Month | Avg temp | Rain days | Crowds | Verdict |
|---|---|---|---|---|
| January | -2°C | 11d | low | Cold |
| February | -1°C | 10d | low | Cold |
| March | 3°C | 11d | low | Cold |
| April | 9°C | 11d | mid | Chilly |
| May | 15°C | 11d | mid | Mild |
| June | 20°C | 10d | high | Comfortable but damp |
| July | 23°C | 9d | high | Comfortable but damp |
| August | 23°C | 9d | high | Comfortable but damp |
| September | 19°C | 8d | high | Comfortable but damp |
| October | 13°C | 9d | high | Mild |
| November | 7°C | 10d | mid | Cold |
| December | 1°C | 11d | mid | Cold |
Verdicts are read off the three columns to their left — temperature distance from 21°C first, then rainfall, with crowds breaking ties. Averages, so any given week can differ.
If you'd rather go cheap than perfect
January, February and March are low season in Boston — thinner crowds, and the months where accommodation is easiest to book late. Budget travellers already work to about $75–130 a day here; low season is where the accommodation share of that goes furthest.
Book the month you picked
Fares move with the same seasons as the crowds — the quiet months above are usually the cheap ones to fly.