The official National Weather Service forecast for Savannah — 35.2248°N, 88.2492°W, population 8,828, 40.1 miles from I-40.
| Hardin County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 55 | 64 | 73 | 80 | 87 | 90 | 90 | 84 | 74 | 62 | 53 | 72 |
| Avg low °F | 30 | 33 | 40 | 47 | 57 | 65 | 69 | 67 | 60 | 48 | 38 | 33 | 49 |
| Precip in | 5.1 | 5.3 | 5.8 | 5.3 | 4.7 | 4.3 | 4.2 | 4.2 | 3.9 | 3.6 | 3.9 | 5.4 | 55.7 |
1996–2025 normals for Hardin County — the climate division Savannah sits in. All-time county record high 108.3°F (1952-07-28); record low -15.5°F (1951-02-02). Source: NOAA / National Weather Service.