Climate almanac

Boston

New York, US · 42.63°, -78.74°

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What is the climate like in Boston?

The best time to visit Boston is typically August – September, with trip comfort peaking in September (7.0/10). Boston is warmest in July, when daily highs average 79°F (26°C), and coolest in January, when lows fall to about 22°F (-6°C). The wettest month is typically October and the driest is September; the year sees roughly 45 in of precipitation.

  • Best time to visitAugust – September — comfort peaks in September (7.0/10)
  • Warmest monthJuly — average high 79°F (26°C)
  • Coolest monthJanuary — average low 22°F (-6°C)
  • Wettest monthOctober (4.5 in)
  • Driest monthSeptember (2.8 in)
  • Annual precipitation45 in