North Barrington, IL
Climate overview — based on NOAA 1991-2020 normals from MUNDELEIN 4 WSW, IL US.
Year-round temperatures (°F)
Climate summary
North Barrington has an annual average temperature of 47.9°F with about 38.4 inches of precipitation per year and 43.1 inches of snow. The warmest month is July (average high 82.1°F), and the coldest is January (average low 13.5°F). May is typically the wettest month (4.57 in) and January the driest (1.76 in). Snow typically falls from November through April.
Best time to visit North Barrington
Full guide →Climate change signal
All-time records →123 of 366 (33.6%) of North Barrington'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.
| 1990s | 1 | |
| 2000s | 166 | |
| 2010s | 142 | |
| 2020s | 57 |
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 | 28.9°F | 13.5°F | 21.2°F | 1.76 in | 11.0 in | 10 |
| February | 32.9°F | 16.3°F | 24.6°F | 1.93 in | 12.8 in | 10 |
| March | 44.2°F | 25.8°F | 35.0°F | 2.49 in | 5.3 in | 11 |
| April | 56.5°F | 36.0°F | 46.3°F | 3.95 in | 1.8 in | 12 |
| May | 68.0°F | 47.4°F | 57.7°F | 4.57 in | — | 14 |
| June | 77.9°F | 57.8°F | 67.8°F | 4.38 in | — | 12 |
| July | 82.1°F | 62.3°F | 72.2°F | 4.01 in | — | 10 |
| August | 80.7°F | 60.9°F | 70.8°F | 4.19 in | — | 10 |
| September | 73.7°F | 52.8°F | 63.3°F | 3.38 in | — | 9 |
| October | 60.8°F | 41.5°F | 51.1°F | 3.20 in | — | 11 |
| November | 46.6°F | 30.1°F | 38.3°F | 2.47 in | 2.5 in | 10 |
| December | 34.2°F | 19.6°F | 26.9°F | 2.12 in | 9.7 in | 11 |
Climate twins of North Barrington
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).