Watertown

What is the climate like in Watertown?

The best time to visit Watertown is typically September, the year's most comfortable month (6.8/10). Watertown is warmest in July, when daily highs average 78°F (26°C), and coolest in January, when lows fall to about 19°F (-7°C). The wettest month is typically October and the driest is September; the year sees roughly 51 in (1284 mm) of precipitation.

• Best time to visitSeptember — the year's comfort peak (6.8/10)
• Warmest monthJuly — average high 78°F (26°C)
• Coolest monthJanuary — average low 19°F (-7°C)
• Wettest monthOctober (5.5 in (141 mm))
• Driest monthSeptember (3.0 in (75 mm))
• Annual precipitation51 in (1284 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWatertown, 3 km away (1893-2026)