Sibley, IL
Climate overview — based on NOAA 1991-2020 normals from GIBSON CITY, IL US.
Year-round temperatures (°F)
Climate summary
Sibley has an annual average temperature of 50.7°F with about 37.7 inches of precipitation per year and 18.3 inches of snow. The warmest month is July (average high 84.0°F), and the coldest is January (average low 16.0°F). June is typically the wettest month (4.57 in) and February the driest (1.77 in). Snow typically falls from November through April.
Best time to visit Sibley
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Sibley'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.
| 1930s | 0 | |
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 0 | |
| 1970s | 0 | |
| 1980s | 150 | |
| 1990s | 115 | |
| 2000s | 101 |
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 | 32.0°F | 16.0°F | 24.0°F | 1.95 in | 6.7 in | 9 |
| February | 36.5°F | 19.7°F | 28.1°F | 1.77 in | 4.1 in | 7 |
| March | 48.2°F | 29.3°F | 38.8°F | 2.74 in | 1.4 in | 10 |
| April | 61.6°F | 39.1°F | 50.3°F | 3.57 in | 0.3 in | 11 |
| May | 72.5°F | 51.2°F | 61.9°F | 4.51 in | — | 12 |
| June | 81.7°F | 60.7°F | 71.2°F | 4.57 in | — | 10 |
| July | 84.0°F | 63.6°F | 73.8°F | 3.57 in | — | 9 |
| August | 82.7°F | 61.5°F | 72.1°F | 3.64 in | — | 9 |
| September | 77.8°F | 53.2°F | 65.5°F | 3.20 in | — | 7 |
| October | 64.1°F | 41.4°F | 52.7°F | 3.40 in | 0.1 in | 9 |
| November | 49.3°F | 30.9°F | 40.1°F | 2.63 in | 1.1 in | 10 |
| December | 36.7°F | 22.1°F | 29.4°F | 2.18 in | 4.6 in | 9 |
Climate twins of Sibley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).