Norwalk

What is the climate like in Norwalk?

The best time to visit Norwalk is typically August – September, with trip comfort peaking in September (7.0/10). Norwalk is warmest in July, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically July and the driest is September; the year sees roughly 47 in (1184 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.0/10)
• Warmest monthJuly — average high 82°F (28°C)
• Coolest monthJanuary — average low 25°F (-4°C)
• Wettest monthJuly (4.7 in (120 mm))
• Driest monthSeptember (3.0 in (77 mm))
• Annual precipitation47 in (1184 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromNorwalk Wwtp, 2 km away (1894-2026)