Monroe Center, IL
Climate overview — based on NOAA 1991-2020 normals from ROCKFORD GTR ROCKFORD AP, IL US.
Year-round temperatures (°F)
Climate summary
Monroe Center has an annual average temperature of 49.4°F with about 37.2 inches of precipitation per year and 37.1 inches of snow. The warmest month is July (average high 83.9°F), and the coldest is January (average low 14.5°F). June is typically the wettest month (5.23 in) and January the driest (1.60 in). Snow typically falls from October through April.
Best time to visit Monroe Center
Full guide →Climate change signal
All-time records →72 of 366 (19.7%) of Monroe Center'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.
| 1950s | 60 | |
| 1960s | 25 | |
| 1970s | 34 | |
| 1980s | 54 | |
| 1990s | 37 | |
| 2000s | 45 | |
| 2010s | 63 | |
| 2020s | 48 |
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 | 29.1°F | 14.5°F | 21.8°F | 1.60 in | 10.9 in | 10 |
| February | 33.4°F | 17.8°F | 25.6°F | 1.63 in | 8.5 in | 9 |
| March | 46.5°F | 28.1°F | 37.3°F | 2.40 in | 4.9 in | 11 |
| April | 59.7°F | 38.5°F | 49.1°F | 3.75 in | 0.9 in | 12 |
| May | 71.2°F | 49.5°F | 60.4°F | 4.18 in | — | 13 |
| June | 80.7°F | 59.6°F | 70.1°F | 5.23 in | — | 11 |
| July | 83.9°F | 63.6°F | 73.8°F | 3.81 in | — | 9 |
| August | 82.0°F | 61.8°F | 71.9°F | 4.19 in | — | 9 |
| September | 75.3°F | 53.5°F | 64.4°F | 3.62 in | — | 8 |
| October | 62.3°F | 41.8°F | 52.0°F | 2.63 in | 0.2 in | 10 |
| November | 47.1°F | 30.5°F | 38.8°F | 2.27 in | 2.3 in | 9 |
| December | 34.3°F | 20.2°F | 27.3°F | 1.93 in | 9.4 in | 10 |
Climate twins of Monroe Center
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).