The official National Weather Service forecast for Britt — 43.0977°N, 93.8019°W, 25.3 miles from I-35.
| Hancock County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 29 | 43 | 58 | 70 | 80 | 83 | 80 | 75 | 61 | 45 | 30 | 57 |
| Avg low °F | 8 | 11 | 24 | 36 | 47 | 58 | 62 | 59 | 51 | 38 | 26 | 14 | 36 |
| Precip in | 0.9 | 1.0 | 1.9 | 3.6 | 4.8 | 5.2 | 4.1 | 3.9 | 3.1 | 2.4 | 1.4 | 1.3 | 33.6 |
1996–2025 normals for Hancock County — the climate division Britt sits in. All-time county record high 102.4°F (1985-06-09); record low -28.7°F (1996-02-02). Source: NOAA / National Weather Service.