Brookport, IL
Climate overview — based on NOAA 1991-2020 normals from BROOKPORT DAM 52, IL US.
Year-round temperatures (°F)
Climate summary
Brookport has an annual average temperature of 57.3°F with about 49.1 inches of precipitation per year and 3.1 inches of snow. The warmest month is July (average high 88.6°F), and the coldest is January (average low 25.1°F). April is typically the wettest month (5.10 in) and August the driest (2.93 in). Snow typically falls from December through February.
Best time to visit Brookport
Full guide →Climate change signal
All-time records →24 of 366 (6.6%) of Brookport'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.
| 1920s | 0 | |
| 1930s | 0 | |
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 82 | |
| 1970s | 49 | |
| 1980s | 69 | |
| 1990s | 49 | |
| 2000s | 52 | |
| 2010s | 65 |
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 | 43.0°F | 25.1°F | 34.1°F | 3.72 in | 0.7 in | 9 |
| February | 47.6°F | 27.9°F | 37.8°F | 3.79 in | 1.8 in | 8 |
| March | 57.6°F | 36.2°F | 46.9°F | 4.63 in | 0.1 in | 10 |
| April | 69.0°F | 46.2°F | 57.6°F | 5.10 in | — | 11 |
| May | 77.4°F | 56.0°F | 66.7°F | 4.83 in | — | 11 |
| June | 85.4°F | 64.5°F | 75.0°F | 4.67 in | — | 8 |
| July | 88.6°F | 68.2°F | 78.4°F | 3.85 in | — | 8 |
| August | 88.0°F | 66.4°F | 77.2°F | 2.93 in | — | 6 |
| September | 82.0°F | 58.6°F | 70.3°F | 3.49 in | — | 7 |
| October | 70.9°F | 46.8°F | 58.8°F | 4.08 in | — | 7 |
| November | 57.2°F | 36.0°F | 46.6°F | 3.97 in | — | 8 |
| December | 46.7°F | 29.0°F | 37.9°F | 4.05 in | 0.5 in | 10 |
Climate twins of Brookport
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).