Climate almanac
Yarmouth Port
Massachusetts, United States · 41.70°, -70.25°
What is the climate like in Yarmouth Port?
The best time to visit Yarmouth Port is typically June – August, with trip comfort peaking in August (6.9/10). Yarmouth Port is warmest in July, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically October and the driest is August; the year sees roughly 50 in (1258 mm) of precipitation.
- Best time to visitJune – August — comfort peaks in August (6.9/10)
- Warmest monthJuly — average high 73°F (23°C)
- Coolest monthJanuary — average low 32°F (0°C)
- Wettest monthOctober (5.8 in (147 mm))
- Driest monthAugust (2.8 in (70 mm))
- Annual precipitation50 in (1258 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHyannis, 6 km away (1893-2026)