Florence, IL
Climate overview — based on NOAA 1991-2020 normals from WINCHESTER, IL US.
Year-round temperatures (°F)
Climate summary
Florence has an annual average temperature of 52.9°F with about 40.4 inches of precipitation per year. The warmest month is July (average high 86.8°F), and the coldest is January (average low 17.8°F). June is typically the wettest month (4.99 in) and February the driest (2.14 in).
Best time to visit Florence
Full guide →Climate change signal
All-time records →1 of 366 (0.3%) of Florence's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 17 | |
| 1900s | 83 | |
| 1990s | 29 | |
| 2000s | 163 | |
| 2010s | 74 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 35.7°F | 17.8°F | 26.7°F | 2.26 in | — | 7 |
| February | 41.1°F | 21.3°F | 31.2°F | 2.14 in | — | 7 |
| March | 52.5°F | 30.5°F | 41.5°F | 3.06 in | — | 9 |
| April | 65.1°F | 41.0°F | 53.0°F | 4.40 in | — | 10 |
| May | 74.9°F | 52.1°F | 63.5°F | 4.81 in | — | 11 |
| June | 83.6°F | 61.8°F | 72.7°F | 4.99 in | — | 9 |
| July | 86.8°F | 65.1°F | 76.0°F | 3.97 in | — | 7 |
| August | 86.1°F | 62.8°F | 74.5°F | 3.47 in | — | 7 |
| September | 80.1°F | 53.8°F | 66.9°F | 3.03 in | — | 7 |
| October | 67.8°F | 42.5°F | 55.1°F | 3.09 in | — | 8 |
| November | 52.7°F | 31.6°F | 42.1°F | 2.75 in | — | 6 |
| December | 40.9°F | 23.3°F | 32.1°F | 2.43 in | — | 8 |
Climate twins of Florence
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).