ROCK VALLEY, IA US
GHCN ID: USC00137152 · IA, US · 379.8 m elevation · Records 1978-2026 (48 years)
Primary station for Doon, IA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | °F | °F | °F | 0.52 in | 6.7 in |
| February | °F | °F | °F | 0.81 in | 7.3 in |
| March | °F | °F | °F | 1.51 in | 4.7 in |
| April | °F | °F | °F | 3.03 in | 2.8 in |
| May | °F | °F | °F | 4.07 in | 0.1 in |
| June | °F | °F | °F | 4.60 in | — |
| July | °F | °F | °F | 3.37 in | — |
| August | °F | °F | °F | 3.54 in | — |
| September | °F | °F | °F | 3.38 in | — |
| October | °F | °F | °F | 2.50 in | 0.5 in |
| November | °F | °F | °F | 1.33 in | 3.7 in |
| December | °F | °F | °F | 0.86 in | 8.5 in |