Climate almanac
Shenandoah
Iowa, United States · 40.77°, -95.37°
What is the climate like in Shenandoah?
The best time to visit Shenandoah is typically May – September, with trip comfort peaking in September (7.3/10). Shenandoah is warmest in June, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 19°F (-7°C). The wettest month is typically May and the driest is February; the year sees roughly 38 in (964 mm) of precipitation.
- Best time to visitMay – September — comfort peaks in September (7.3/10)
- Warmest monthJune — average high 87°F (31°C)
- Coolest monthJanuary — average low 19°F (-7°C)
- Wettest monthMay (5.5 in (140 mm))
- Driest monthFebruary (1.1 in (29 mm))
- Annual precipitation38 in (964 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromShenandoah, 1 km away (1918-2026)