Climate almanac
Boone
Iowa, United States · 42.06°, -93.88°
What is the climate like in Boone?
The best time to visit Boone is typically June – September, with trip comfort peaking in September (7.0/10). Boone is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 15°F (-9°C). The wettest month is typically May and the driest is February; the year sees roughly 38 in (956 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.0/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 15°F (-9°C)
- Wettest monthMay (6.0 in (152 mm))
- Driest monthFebruary (1.3 in (34 mm))
- Annual precipitation38 in (956 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBoone, 2 km away (1905-2026)