Morton Grove, IL
Climate overview — based on NOAA 1991-2020 normals from CHICAGO BOTANIC GARDEN, IL US.
Year-round temperatures (°F)
Climate summary
Morton Grove has an annual average temperature of 49.6°F with about 39.5 inches of precipitation per year and 33.6 inches of snow. The warmest month is July (average high 83.5°F), and the coldest is January (average low 16.3°F). May is typically the wettest month (4.84 in) and February the driest (1.98 in). Snow typically falls from November through April.
Best time to visit Morton Grove
Full guide →Climate change signal
All-time records →40 of 366 (10.9%) of Morton Grove'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.
| 1980s | 77 | |
| 1990s | 100 | |
| 2000s | 92 | |
| 2010s | 97 |
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 | 32.3°F | 16.3°F | 24.3°F | 2.10 in | 11.3 in | 11 |
| February | 36.0°F | 19.1°F | 27.5°F | 1.98 in | 7.7 in | 9 |
| March | 45.8°F | 28.2°F | 37.0°F | 2.26 in | 5.6 in | 10 |
| April | 56.8°F | 37.6°F | 47.2°F | 4.00 in | 1.1 in | 13 |
| May | 68.2°F | 47.6°F | 57.9°F | 4.84 in | — | 13 |
| June | 78.4°F | 57.3°F | 67.9°F | 4.31 in | — | 12 |
| July | 83.5°F | 63.4°F | 73.4°F | 3.74 in | — | 10 |
| August | 82.0°F | 62.3°F | 72.2°F | 4.16 in | — | 10 |
| September | 75.2°F | 54.7°F | 64.9°F | 3.56 in | — | 10 |
| October | 62.8°F | 42.7°F | 52.7°F | 3.59 in | 0.1 in | 11 |
| November | 49.0°F | 32.5°F | 40.8°F | 2.63 in | 1.9 in | 10 |
| December | 37.5°F | 22.3°F | 29.9°F | 2.34 in | 5.9 in | 11 |
Climate twins of Morton Grove
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).