The official National Weather Service forecast for Spirit Lake — 43.4222°N, 95.1022°W, population 12,956, 63 miles from I-90.
| Dickinson County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 29 | 42 | 57 | 69 | 80 | 83 | 80 | 75 | 60 | 44 | 29 | 56 |
| Avg low °F | 7 | 10 | 23 | 35 | 47 | 58 | 62 | 59 | 51 | 38 | 25 | 13 | 36 |
| Precip in | 0.7 | 0.8 | 1.6 | 3.0 | 4.3 | 4.6 | 3.5 | 3.6 | 3.0 | 2.5 | 1.3 | 1.0 | 29.9 |
1996–2025 normals for Dickinson County — the climate division Spirit Lake sits in. All-time county record high 101.4°F (1995-07-13); record low -31.3°F (1970-01-21). Source: NOAA / National Weather Service.