Harrisburg, SD Weather & Climate Normals
Harrisburg's real weather, in one number
Harrisburg, SD scores 41/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Harrisburg's hottest and coldest months
Harrisburg's hottest month is Jul, averaging 73°F; its coldest is Jan, averaging 16°F, a 57°F swing across the year, one of the widest gaps in this dataset.
Harrisburg's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 25°F | 6°F | 0.56in | 7in |
| Feb | 31°F | 11°F | 0.75in | 8.5in |
| Mar | 44°F | 22°F | 1.31in | 4.7in |
| Apr | 58°F | 34°F | 2.88in | 2.8in |
| May | 70°F | 47°F | 4.08in | 0.1in |
| Jun | 80°F | 58°F | 4.66in | 0in |
| Jul | 83°F | 62°F | 3.55in | 0in |
| Aug | 80°F | 59°F | 2.99in | 0in |
| Sep | 74°F | 50°F | 2.9in | 0in |
| Oct | 60°F | 36°F | 2.21in | 0.8in |
| Nov | 44°F | 23°F | 1.15in | 4.8in |
| Dec | 29°F | 11°F | 0.77in | 7.4in |
May, Jun, Jul, Aug, and Sep are the best time to see Harrisburg at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Harrisburg
Harrisburg averages 27.81in of precipitation a year across roughly 92 days with measurable rain or snow, and 36.1in of snow a year.
Where Harrisburg ranks
Harrisburg ranks 4430 of 4876 US cities in this dataset for comfort score, and 12 of 18 within SD. About 10,203 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Canton, SD US, 10.6 miles from Harrisburg, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station