Cohasset

What is the climate like in Cohasset?

The best time to visit Cohasset is typically August, the year's most comfortable month (6.9/10). Cohasset is warmest in July, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically December and the driest is August; the year sees roughly 52 in (1316 mm) of precipitation.

• Best time to visitAugust — the year's comfort peak (6.9/10)
• Warmest monthJuly — average high 73°F (23°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthDecember (5.7 in (145 mm))
• Driest monthAugust (2.7 in (68 mm))
• Annual precipitation52 in (1316 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHingham, 9 km away (1960-2026)