The official National Weather Service forecast for Miller — 44.5183°N, 98.9884°W, 52.7 miles from I-90.
| Hand County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 30 | 43 | 57 | 69 | 79 | 86 | 83 | 76 | 60 | 44 | 30 | 57 |
| Avg low °F | 7 | 10 | 21 | 32 | 44 | 55 | 61 | 58 | 49 | 36 | 22 | 11 | 34 |
| Precip in | 0.5 | 0.6 | 1.0 | 2.3 | 3.5 | 3.6 | 2.9 | 2.7 | 2.2 | 1.9 | 0.6 | 0.7 | 22.5 |
1996–2025 normals for Hand County — the climate division Miller sits in. All-time county record high 111.7°F (2006-07-16); record low -36.9°F (1966-01-29). Source: NOAA / National Weather Service.