Morton, IL
Climate overview — based on NOAA 1991-2020 normals from MORTON, IL US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Morton
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 2.21 in | 7.1 in | 9 |
| February | °F | °F | °F | 2.00 in | 6.5 in | 9 |
| March | °F | °F | °F | 2.76 in | 2.9 in | 10 |
| April | °F | °F | °F | 3.96 in | 0.9 in | 11 |
| May | °F | °F | °F | 5.04 in | — | 13 |
| June | °F | °F | °F | 4.00 in | — | 11 |
| July | °F | °F | °F | 4.10 in | — | 9 |
| August | °F | °F | °F | 3.52 in | — | 9 |
| September | °F | °F | °F | 3.27 in | — | 8 |
| October | °F | °F | °F | 3.21 in | — | 10 |
| November | °F | °F | °F | 2.94 in | 0.7 in | 9 |
| December | °F | °F | °F | 2.28 in | 5.8 in | 10 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when