The official National Weather Service forecast for Ennis — 32.3293°N, 96.6253°W, population 19,763, 2 miles from I-45. Forecasts here are written by NWS FWD, this county’s forecast office.
| Ellis County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 61 | 69 | 76 | 84 | 91 | 96 | 96 | 90 | 80 | 68 | 60 | 77 |
| Avg low °F | 36 | 40 | 48 | 55 | 64 | 71 | 75 | 75 | 67 | 56 | 47 | 39 | 56 |
| Precip in | 2.6 | 2.8 | 3.7 | 3.7 | 4.8 | 3.9 | 2.0 | 2.6 | 3.0 | 4.5 | 2.9 | 2.9 | 39.4 |
1996–2025 normals for Ellis County — the climate division Ennis sits in. All-time county record high 110.7°F (1954-07-26); record low 0.4°F (2021-02-16). Source: NOAA / National Weather Service.