Marstons Mills

What is the climate like in Marstons Mills?

The best time to visit Marstons Mills is typically June – August, with trip comfort peaking in August (7.0/10). Marstons Mills is warmest in July, when daily highs average 77°F (25°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically October and the driest is August; the year sees roughly 45 in (1150 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in August (7.0/10)
• Warmest monthJuly — average high 77°F (25°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthOctober (4.8 in (123 mm))
• Driest monthAugust (2.6 in (66 mm))
• Annual precipitation45 in (1150 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHyannis, 9 km away (1893-2026)