Ionia, IA
Climate overview — based on NOAA 1991-2020 normals from IONIA 2 W, IA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Ionia
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 1.11 in | 8.1 in | 6 |
| February | °F | °F | °F | 1.03 in | 9.3 in | 7 |
| March | °F | °F | °F | 2.07 in | 5.0 in | 7 |
| April | °F | °F | °F | 3.72 in | 2.1 in | 10 |
| May | °F | °F | °F | 5.21 in | 0.4 in | 13 |
| June | °F | °F | °F | 5.69 in | — | 12 |
| July | °F | °F | °F | 4.62 in | — | 9 |
| August | °F | °F | °F | 4.38 in | — | 8 |
| September | °F | °F | °F | 3.63 in | — | 9 |
| October | °F | °F | °F | 2.63 in | 0.2 in | 9 |
| November | °F | °F | °F | 1.69 in | 1.6 in | 6 |
| December | °F | °F | °F | 1.30 in | 9.0 in | 7 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when