Climate almanac

Aberdeen

South Dakota, United States · 45.46°, -98.49°

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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)