Boston

What is the climate like in Boston?

The best time to visit Boston is typically June – August, with trip comfort peaking in August (7.0/10). Boston is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 36°F (2°C). The wettest month is typically October and the driest is April; the year sees roughly 29 in (734 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in August (7.0/10)
• Warmest monthJuly — average high 71°F (22°C)
• Coolest monthJanuary — average low 36°F (2°C)
• Wettest monthOctober (2.9 in (74 mm))
• Driest monthApril (1.7 in (43 mm))
• Annual precipitation29 in (734 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCranwell, 36 km away (2012-2026)