Climate almanac
Manchester
Iowa, United States · 42.48°, -91.46°
What is the climate like in Manchester?
The best time to visit Manchester is typically August – September, with trip comfort peaking in August (6.7/10). Manchester is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 14°F (-10°C). The wettest month is typically May and the driest is February; the year sees roughly 41 in (1032 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in August (6.7/10)
- Warmest monthJuly — average high 83°F (28°C)
- Coolest monthJanuary — average low 14°F (-10°C)
- Wettest monthMay (5.4 in (137 mm))
- Driest monthFebruary (1.7 in (42 mm))
- Annual precipitation41 in (1032 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromManchester #2, 1 km away (1976-2026)