Rockbridge, IL
Climate overview — based on NOAA 1991-2020 normals from GREENFIELD, IL US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Rockbridge
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 2.25 in | 5.8 in | 8 |
| February | °F | °F | °F | 2.08 in | 4.5 in | 7 |
| March | °F | °F | °F | 3.23 in | 2.5 in | 10 |
| April | °F | °F | °F | 4.53 in | 0.3 in | 11 |
| May | °F | °F | °F | 4.92 in | — | 12 |
| June | °F | °F | °F | 4.61 in | — | 9 |
| July | °F | °F | °F | 3.72 in | — | 8 |
| August | °F | °F | °F | 3.45 in | — | 7 |
| September | °F | °F | °F | 2.94 in | — | 7 |
| October | °F | °F | °F | 3.45 in | — | 8 |
| November | °F | °F | °F | 3.40 in | 0.8 in | 8 |
| December | °F | °F | °F | 2.39 in | 3.7 in | 8 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when