Hull, IA
Climate overview — based on NOAA 1991-2020 normals from ROCK VALLEY, IA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Hull
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 0.52 in | 6.7 in | 5 |
| February | °F | °F | °F | 0.81 in | 7.3 in | 4 |
| March | °F | °F | °F | 1.51 in | 4.7 in | 6 |
| April | °F | °F | °F | 3.03 in | 2.8 in | 9 |
| May | °F | °F | °F | 4.07 in | 0.1 in | 12 |
| June | °F | °F | °F | 4.60 in | — | 11 |
| July | °F | °F | °F | 3.37 in | — | 8 |
| August | °F | °F | °F | 3.54 in | — | 8 |
| September | °F | °F | °F | 3.38 in | — | 8 |
| October | °F | °F | °F | 2.50 in | 0.5 in | 7 |
| November | °F | °F | °F | 1.33 in | 3.7 in | 5 |
| December | °F | °F | °F | 0.86 in | 8.5 in | 5 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when