Wenonah, IL
Climate overview — based on NOAA 1991-2020 normals from PANA, IL US.
Year-round temperatures (°F)
Climate summary
Wenonah has an annual average temperature of 53.6°F with about 42.3 inches of precipitation per year and 14.5 inches of snow. The warmest month is July (average high 87.3°F), and the coldest is January (average low 19.3°F). June is typically the wettest month (5.07 in) and February the driest (2.15 in). Snow typically falls from November through April.
Best time to visit Wenonah
Full guide →Climate change signal
All-time records →29 of 366 (7.9%) of Wenonah'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 | 8 | |
| 1900s | 17 | |
| 1910s | 41 | |
| 1920s | 38 | |
| 1930s | 70 | |
| 1940s | 32 | |
| 1950s | 41 | |
| 1960s | 3 | |
| 1970s | 7 | |
| 1980s | 25 | |
| 1990s | 19 | |
| 2000s | 21 | |
| 2010s | 26 | |
| 2020s | 18 |
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 | 36.6°F | 19.3°F | 27.9°F | 2.78 in | 5.1 in | 9 |
| February | 41.5°F | 22.6°F | 32.0°F | 2.15 in | 2.6 in | 8 |
| March | 52.8°F | 31.3°F | 42.1°F | 3.02 in | 2.6 in | 11 |
| April | 65.6°F | 41.3°F | 53.5°F | 4.80 in | 0.5 in | 12 |
| May | 75.5°F | 52.3°F | 63.9°F | 4.75 in | — | 13 |
| June | 84.1°F | 62.0°F | 73.1°F | 5.07 in | — | 11 |
| July | 87.3°F | 65.1°F | 76.2°F | 4.01 in | — | 9 |
| August | 86.3°F | 62.7°F | 74.5°F | 3.00 in | — | 8 |
| September | 80.8°F | 54.8°F | 67.8°F | 3.25 in | — | 8 |
| October | 68.2°F | 43.7°F | 55.9°F | 3.53 in | 0.1 in | 9 |
| November | 53.4°F | 33.2°F | 43.3°F | 3.68 in | 0.9 in | 10 |
| December | 41.6°F | 24.6°F | 33.1°F | 2.26 in | 2.7 in | 9 |
Climate twins of Wenonah
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).