Early September (late August to mid-September) for ideal weather; April for cherry blossoms. WeatherSpark identifies the tourism comfort score peak in the first week of September, with temperatures in the ideal 65–80°F range, low humidity, and clear skies. April is best for the Essex County Cherry Blossom Festival at Branch Brook Park (peak bloom typically first two weeks of April)
| Month | High (°F) | Low (°F) | Notes |
|---|---|---|---|
| Jan | 39 | 25 | crisp & changeable |
| Feb | 42 | 25 | crisp & changeable |
| Mar | 50 | 32 | cool & changeable |
| Apr | 62 | 43 | mild & changeable |
| May | 71 | 53 | mild & changeable |
| Jun | 80 | 63 | warm & changeable |
| Jul | 86 | 69 | hot & changeable |
| Aug | 83 | 67 | warm & changeable |
| Sep | 77 | 61 | warm & changeable |
| Oct | 65 | 51 | mild & changeable |
| Nov | 54 | 39 | cool & changeable |
| Dec | 44 | 31 | crisp & changeable |