CLEAR LAKE, SD US
GHCN ID: USC00391777 · SD, US · 552.3 m elevation · Records 1903-2026 (123 years)
Primary station for Altamont, SD.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 20.8°F | 2.4°F | 11.6°F | 0.72 in | 10.8 in |
| February | 25.5°F | 6.6°F | 16.0°F | 0.80 in | 10.3 in |
| March | 37.6°F | 18.2°F | 27.9°F | 1.55 in | 9.6 in |
| April | 52.8°F | 31.1°F | 42.0°F | 2.49 in | 7.0 in |
| May | 65.7°F | 44.4°F | 55.1°F | 3.42 in | 0.2 in |
| June | 75.4°F | 55.2°F | 65.3°F | 4.46 in | — |
| July | 80.3°F | 59.9°F | 70.1°F | 3.27 in | — |
| August | 78.1°F | 57.5°F | 67.8°F | 3.37 in | — |
| September | 70.3°F | 48.7°F | 59.5°F | 3.01 in | — |
| October | 56.2°F | 34.5°F | 45.4°F | 2.35 in | 1.4 in |
| November | 39.8°F | 21.2°F | 30.5°F | 1.13 in | 7.8 in |
| December | 26.0°F | 8.9°F | 17.4°F | 0.91 in | 13.6 in |