The official National Weather Service forecast for Galena — 38.3517°N, 85.9416°W, 4.5 miles from I-64. Forecasts here are written by NWS LMK, this county’s forecast office.
| Floyd County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 57 | 68 | 77 | 85 | 87 | 86 | 81 | 69 | 56 | 46 | 67 |
| Avg low °F | 24 | 27 | 35 | 44 | 55 | 63 | 66 | 64 | 57 | 46 | 35 | 29 | 45 |
| Precip in | 3.8 | 3.7 | 4.7 | 5.5 | 5.2 | 4.6 | 4.5 | 3.5 | 4.0 | 3.7 | 3.6 | 4.2 | 51.0 |
1996–2025 normals for Floyd County — the climate division Galena sits in. All-time county record high 104.5°F (2012-06-30); record low -21.9°F (1994-01-19). Source: NOAA / National Weather Service.