Wonder Lake, IL Weather & Climate Normals
Wonder Lake's real weather, in one number
Wonder Lake, IL scores 44/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Wonder Lake's hottest and coldest months
Wonder Lake's hottest month is Jul, averaging 73°F; its coldest is Jan, averaging 22°F, a 51.1°F swing across the year, one of the widest gaps in this dataset.
Wonder Lake's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 31°F | 13°F | 1.65in | 11in |
| Feb | 35°F | 16°F | 1.56in | 8.9in |
| Mar | 46°F | 26°F | 2.21in | 3.9in |
| Apr | 59°F | 37°F | 3.63in | 1in |
| May | 70°F | 47°F | 4.47in | 0in |
| Jun | 80°F | 57°F | 4.81in | 0in |
| Jul | 84°F | 62°F | 3.8in | 0in |
| Aug | 82°F | 60°F | 3.7in | 0in |
| Sep | 76°F | 51°F | 3.61in | 0in |
| Oct | 63°F | 40°F | 3.21in | 0.1in |
| Nov | 48°F | 29°F | 2.38in | 1.4in |
| Dec | 36°F | 19°F | 1.94in | 8.2in |
May, Jun, Jul, Aug, and Sep are the best time to see Wonder Lake at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Wonder Lake
Wonder Lake averages 36.97in of precipitation a year across roughly 119 days with measurable rain or snow, and 34.5in of snow a year.
Where Wonder Lake ranks
Wonder Lake ranks 3936 of 4876 US cities in this dataset for comfort score, and 227 of 330 within IL. About 5,296 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Mc Henry -Wg Stratton L&D, IL US, 6.6 miles from Wonder Lake, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station