Watertown

What is the climate like in Watertown?

The best time to visit Watertown is typically June – September, with trip comfort peaking in September (6.8/10). Watertown is warmest in July, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is February; the year sees roughly 37 in (933 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (6.8/10)
• Warmest monthJuly — average high 82°F (28°C)
• Coolest monthJanuary — average low 16°F (-9°C)
• Wettest monthMay (4.0 in (101 mm))
• Driest monthFebruary (1.6 in (41 mm))
• Annual precipitation37 in (933 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWatertown Wwtp, 2 km away (1893-2026)