Pearl, IL
Climate overview — based on NOAA 1991-2020 normals from WHITE HALL 1 E, IL US.
Year-round temperatures (°F)
Climate summary
Pearl has an annual average temperature of 52.9°F with about 39.6 inches of precipitation per year and 18.2 inches of snow. The warmest month is July (average high 85.6°F), and the coldest is January (average low 18.4°F). May is typically the wettest month (4.81 in) and February the driest (2.05 in). Snow typically falls from November through April.
Best time to visit Pearl
Full guide →Climate change signal
All-time records →22 of 366 (6%) of Pearl'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 | 2 | |
| 1900s | 22 | |
| 1910s | 49 | |
| 1920s | 37 | |
| 1930s | 103 | |
| 1940s | 36 | |
| 1950s | 33 | |
| 1960s | 10 | |
| 1970s | 15 | |
| 1980s | 9 | |
| 1990s | 8 | |
| 2000s | 13 | |
| 2010s | 19 | |
| 2020s | 10 |
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 | 35.4°F | 18.4°F | 26.9°F | 2.06 in | 6.3 in | 8 |
| February | 40.5°F | 21.9°F | 31.2°F | 2.05 in | 4.7 in | 7 |
| March | 51.7°F | 31.5°F | 41.6°F | 2.91 in | 1.8 in | 11 |
| April | 64.1°F | 41.9°F | 53.0°F | 4.41 in | 0.4 in | 12 |
| May | 73.9°F | 53.2°F | 63.5°F | 4.81 in | — | 13 |
| June | 82.5°F | 62.3°F | 72.4°F | 4.67 in | — | 11 |
| July | 85.6°F | 65.7°F | 75.7°F | 3.87 in | — | 9 |
| August | 84.4°F | 63.6°F | 74.0°F | 3.35 in | — | 9 |
| September | 78.9°F | 55.1°F | 67.0°F | 2.99 in | — | 8 |
| October | 66.8°F | 43.4°F | 55.1°F | 3.02 in | — | 10 |
| November | 52.3°F | 32.6°F | 42.5°F | 3.11 in | 1.3 in | 9 |
| December | 40.5°F | 23.7°F | 32.1°F | 2.33 in | 3.7 in | 9 |
Climate twins of Pearl
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).