Strawn, IL
Climate overview — based on NOAA 1991-2020 normals from FAIRBURY WWTP, IL US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Strawn
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 1.91 in | 3.7 in | 7 |
| February | °F | °F | °F | 1.60 in | 5.1 in | 7 |
| March | °F | °F | °F | 2.21 in | 1.4 in | 9 |
| April | °F | °F | °F | 3.28 in | 0.1 in | 10 |
| May | °F | °F | °F | 4.15 in | — | 11 |
| June | °F | °F | °F | 4.18 in | — | 10 |
| July | °F | °F | °F | 4.14 in | — | 8 |
| August | °F | °F | °F | 3.41 in | — | 8 |
| September | °F | °F | °F | 3.07 in | — | 7 |
| October | °F | °F | °F | 3.14 in | — | 9 |
| November | °F | °F | °F | 2.47 in | 0.4 in | 8 |
| December | °F | °F | °F | 1.93 in | 3.3 in | 8 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when