Lake in the Hills, IL Weather & Climate Normals
What a normal year in Lake in the Hills actually looks like
On the 30-year record NOAA keeps for Lake in the Hills, IL, the comfort score comes out to 44/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Lake in the Hills's weather actually swings
Average temperatures in Lake in the Hills run from 23°F in Jan up to 73°F in Jul, a 50.4°F seasonal swing, one of the widest gaps in this dataset.
Lake in the Hills, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 32°F | 14°F | 1.97in | 10in |
| Feb | 35°F | 16°F | 1.84in | 9in |
| Mar | 47°F | 26°F | 2.51in | 4.4in |
| Apr | 59°F | 37°F | 3.76in | 1.2in |
| May | 71°F | 48°F | 4.98in | 0in |
| Jun | 80°F | 58°F | 5.26in | 0in |
| Jul | 84°F | 63°F | 3.9in | 0in |
| Aug | 82°F | 61°F | 3.81in | 0in |
| Sep | 74°F | 52°F | 3.54in | 0in |
| Oct | 62°F | 42°F | 3.2in | 0.2in |
| Nov | 48°F | 31°F | 2.48in | 1.6in |
| Dec | 36°F | 20°F | 2.1in | 8.7in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Lake in the Hills's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Lake in the Hills actually gets
Over a typical year, Lake in the Hills sees about 39.35in of precipitation a year across roughly 110 days with measurable rain or snow, with 35.1in of snow a year.
Lake in the Hills against the rest of the country
Out of 4876 cities scored here, Lake in the Hills comes in at 3729; within IL alone it ranks 180 of 330. Population is about 28,706.
Checking the actual forecast
These figures come from Crystal Lake 4nw, IL US, the NOAA station 7.0 miles from Lake in the Hills, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is