The official National Weather Service forecast for Spring Valley — 34.345°N, 112.159°W, 2.9 miles from I-17. Forecasts here are written by NWS FGZ, this county’s forecast office.
| Yavapai County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 59 | 65 | 73 | 82 | 92 | 95 | 92 | 87 | 77 | 66 | 56 | 75 |
| Avg low °F | 30 | 32 | 37 | 41 | 49 | 58 | 66 | 64 | 58 | 47 | 37 | 30 | 46 |
| Precip in | 1.4 | 1.5 | 1.3 | 0.5 | 0.3 | 0.2 | 1.9 | 2.3 | 1.4 | 1.0 | 0.9 | 1.3 | 14.0 |
1996–2025 normals for Yavapai County — the climate division Spring Valley sits in. All-time county record high 108.5°F (2017-06-21); record low 2.2°F (1990-12-23). Source: NOAA / National Weather Service.