Keokuk

What is the climate like in Keokuk?

The best time to visit Keokuk is typically May – September, with trip comfort peaking in September (7.2/10). Keokuk is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically May and the driest is February; the year sees roughly 39 in (988 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthMay (4.8 in (123 mm))
• Driest monthFebruary (2.0 in (50 mm))
• Annual precipitation39 in (988 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKeokuk L&d 19, 1 km away (1933-2026)