Dawson, IL
Climate overview — based on NOAA 1991-2020 normals from BUFFALO, IL US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Dawson
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 2.14 in | — | 8 |
| February | °F | °F | °F | 1.95 in | — | 9 |
| March | °F | °F | °F | 2.54 in | — | 10 |
| April | °F | °F | °F | 3.66 in | — | 11 |
| May | °F | °F | °F | 5.03 in | — | 13 |
| June | °F | °F | °F | 4.29 in | — | 11 |
| July | °F | °F | °F | 4.37 in | — | 9 |
| August | °F | °F | °F | 3.13 in | — | 9 |
| September | °F | °F | °F | 3.18 in | — | 7 |
| October | °F | °F | °F | 3.35 in | — | 10 |
| November | °F | °F | °F | 2.91 in | — | 9 |
| December | °F | °F | °F | 2.09 in | — | 9 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when