Climate almanac
Harrisburg
South Dakota, United States · 43.43°, -96.70°
What is the climate like in Harrisburg?
The best time to visit Harrisburg is typically June – September, with trip comfort peaking in September (7.3/10). Harrisburg is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 13°F (-11°C). The wettest month is typically May and the driest is February; the year sees roughly 31 in (800 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.3/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 13°F (-11°C)
- Wettest monthMay (4.4 in (112 mm))
- Driest monthFebruary (0.9 in (23 mm))
- Annual precipitation31 in (800 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromCanton, 16 km away (1896-2026)