Late June through mid-September, with the third week of August cited as the tourism-score peak. WeatherSpark identifies mid-June to mid-September as optimal for warm-weather visits, with clear skies and temperatures between 65-80F. U.S. News Travel concurs that June-August offers the best mix of festivals, events, and pleasant weather without the cold of the long Michigan winter
| Month | High (°F) | Low (°F) | Notes |
|---|---|---|---|
| Jan | 32 | 20 | crisp & changeable |
| Feb | 34 | 19 | crisp & changeable |
| Mar | 45 | 29 | crisp & changeable |
| Apr | 57 | 40 | cool & changeable |
| May | 69 | 52 | mild & changeable |
| Jun | 78 | 62 | warm & changeable |
| Jul | 82 | 67 | warm & changeable |
| Aug | 80 | 65 | warm & changeable |
| Sep | 74 | 60 | warm & changeable |
| Oct | 61 | 48 | mild & changeable |
| Nov | 48 | 36 | cool & changeable |
| Dec | 38 | 27 | crisp & changeable |