Lake in the Hills, IL
Climate overview — based on NOAA 1991-2020 normals from CRYSTAL LAKE 4NW, IL US.
Year-round temperatures (°F)
Climate summary
Lake in the Hills has an annual average temperature of 49.2°F with about 39.3 inches of precipitation per year and 35.1 inches of snow. The warmest month is July (average high 84.0°F), and the coldest is January (average low 14.2°F). June is typically the wettest month (5.26 in) and February the driest (1.84 in). Snow typically falls from October through April.
Best time to visit Lake in the Hills
Full guide →Climate change signal
All-time records →254 of 366 (69.4%) of Lake in the Hills'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 | 0 | |
| 2000s | 0 | |
| 2010s | 215 | |
| 2020s | 151 |
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 | 31.5°F | 14.2°F | 22.9°F | 1.97 in | 10.0 in | 9 |
| February | 35.2°F | 16.3°F | 25.8°F | 1.84 in | 9.0 in | 8 |
| March | 46.8°F | 26.4°F | 36.6°F | 2.51 in | 4.4 in | 8 |
| April | 59.2°F | 36.7°F | 48.0°F | 3.76 in | 1.2 in | 11 |
| May | 71.3°F | 47.9°F | 59.6°F | 4.98 in | — | 12 |
| June | 80.3°F | 58.4°F | 69.4°F | 5.26 in | — | 10 |
| July | 84.0°F | 62.5°F | 73.3°F | 3.90 in | — | 9 |
| August | 82.0°F | 61.2°F | 71.6°F | 3.81 in | — | 9 |
| September | 74.4°F | 52.4°F | 63.4°F | 3.54 in | — | 8 |
| October | 61.9°F | 42.4°F | 52.2°F | 3.20 in | 0.2 in | 9 |
| November | 47.5°F | 30.5°F | 39.0°F | 2.48 in | 1.6 in | 9 |
| December | 35.5°F | 20.4°F | 28.0°F | 2.10 in | 8.7 in | 9 |
Climate twins of Lake in the Hills
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).