Watertown

What is the climate like in Watertown?

The best time to visit Watertown is typically June – September, with trip comfort peaking in September (7.4/10). Watertown is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 9°F (-13°C). The wettest month is typically August and the driest is February; the year sees roughly 29 in (739 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.4/10)
• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthJanuary — average low 9°F (-13°C)
• Wettest monthAugust (4.4 in (111 mm))
• Driest monthFebruary (0.7 in (18 mm))
• Annual precipitation29 in (739 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWatertown Rgnl AP, 3 km away (1893-2026)