US Geography / US Weather / South Dakota Weather / Yankton |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 27° | 32° | 44° | 60° | 72° | 82° | 87° | 85° | 75° | 64° | 46° | 31° |
| Avg. Low | 5° | 11° | 22° | 35° | 46° | 57° | 62° | 58° | 48° | 37° | 24° | 10° |
| Mean | 17° | 22° | 34° | 48° | 60° | 70° | 75° | 72° | 62° | 51° | 35° | 21° |
| Avg. Precip. | 0.4 in | 0.5 in | 1.7 in | 2.1 in | 3.6 in | 4.0 in | 3.1 in | 2.7 in | 2.3 in | 1.6 in | 1.0 in | 0.5 in |
Degrees in Fahrenheit
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