Chelsea

What is the climate like in Chelsea?

The best time to visit Chelsea is typically August – September, with trip comfort peaking in September (7.1/10). Chelsea is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically July and the driest is November; the year sees roughly 38 in (964 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.1/10)
• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthJuly (4.3 in (110 mm))
• Driest monthNovember (2.4 in (61 mm))
• Annual precipitation38 in (964 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromChelsea, 1 km away (2002-2026)