Keyesport, IL
Climate overview — based on NOAA 1991-2020 normals from CARLYLE RSVR, IL US.
Year-round temperatures (°F)
Climate summary
Keyesport has an annual average temperature of 55.7°F with about 45.9 inches of precipitation per year. The warmest month is July (average high 88.3°F), and the coldest is January (average low 21.5°F). May is typically the wettest month (5.23 in) and February the driest (2.45 in).
Best time to visit Keyesport
Full guide →Climate change signal
All-time records →78 of 366 (21.3%) of Keyesport'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.
| 1960s | 67 | |
| 1970s | 48 | |
| 1980s | 82 | |
| 1990s | 23 | |
| 2000s | 33 | |
| 2010s | 74 | |
| 2020s | 39 |
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 | 39.1°F | 21.5°F | 30.3°F | 3.05 in | — | 10 |
| February | 44.8°F | 24.9°F | 34.8°F | 2.45 in | — | 9 |
| March | 54.8°F | 34.5°F | 44.6°F | 3.67 in | — | 11 |
| April | 66.6°F | 44.8°F | 55.7°F | 4.90 in | — | 11 |
| May | 75.9°F | 55.9°F | 65.9°F | 5.23 in | — | 12 |
| June | 84.8°F | 64.9°F | 74.9°F | 4.87 in | — | 11 |
| July | 88.3°F | 68.1°F | 78.2°F | 4.24 in | — | 9 |
| August | 87.4°F | 66.2°F | 76.8°F | 3.59 in | — | 8 |
| September | 81.0°F | 58.1°F | 69.5°F | 3.65 in | — | 8 |
| October | 69.5°F | 46.3°F | 57.9°F | 3.39 in | — | 9 |
| November | 55.1°F | 35.5°F | 45.3°F | 3.72 in | — | 9 |
| December | 43.3°F | 26.3°F | 34.8°F | 3.10 in | — | 11 |
Climate twins of Keyesport
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).