Climate almanac
Spencer
Iowa, United States · 43.14°, -95.14°
What is the climate like in Spencer?
The best time to visit Spencer is typically June – September, with trip comfort peaking in September (7.1/10). Spencer is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 13°F (-11°C). The wettest month is typically June and the driest is February; the year sees roughly 36 in (915 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.1/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 13°F (-11°C)
- Wettest monthJune (5.3 in (136 mm))
- Driest monthFebruary (1.2 in (30 mm))
- Annual precipitation36 in (915 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSpencer 1 N, 3 km away (1895-2026)