Climate almanac
Aberdeen
South Dakota, United States · 45.46°, -98.49°
What is the climate like in Aberdeen?
The best time to visit Aberdeen is typically May – October, with trip comfort peaking in September (7.6/10). Aberdeen is warmest in July, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 9°F (-13°C). The wettest month is typically August and the driest is January; the year sees roughly 25 in (636 mm) of precipitation.
- Best time to visitMay – October — comfort peaks in September (7.6/10)
- Warmest monthJuly — average high 85°F (30°C)
- Coolest monthJanuary — average low 9°F (-13°C)
- Wettest monthAugust (3.9 in (99 mm))
- Driest monthJanuary (0.6 in (15 mm))
- Annual precipitation25 in (636 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAberdeen, 6 km away (1893-2026)