The official National Weather Service forecast for Spring Hill — 28.4769°N, 82.5255°W, population 169,050, 13.7 miles from I-75. Forecasts here are written by NWS TBW, this county’s forecast office.
| Hernando County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 69 | 73 | 78 | 83 | 88 | 90 | 91 | 91 | 89 | 84 | 77 | 72 | 82 |
| Avg low °F | 47 | 51 | 54 | 59 | 66 | 72 | 73 | 74 | 72 | 64 | 56 | 51 | 62 |
| Precip in | 2.7 | 2.5 | 3.1 | 2.4 | 3.0 | 8.0 | 8.7 | 8.1 | 6.3 | 2.5 | 1.9 | 2.5 | 51.7 |
1996–2025 normals for Hernando County — the climate division Spring Hill sits in. All-time county record high 98.9°F (1981-06-18); record low 17.1°F (1962-12-13). Source: NOAA / National Weather Service.