Temperature
Cold by day, cold at night.
Allegan is usually most comfortable in June and September. Typical daytime highs range from 32–82°F across the year. Rain varies by season.

Cold by day, cold at night.
Some precipitation is expected this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 37° and nights feel near 30°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 44°F, easing to about 41°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 32 | 20 | 2.7 | 12 | 4.6 | 79 |
| Feb | 35 | 21 | 2.1 | 9 | 6.6 | 75 |
| Mar | 46 | 29 | 2.6 | 10 | 8.4 | 68 |
| Apr | 58 | 40 | 4.0 | 12 | 9.2 | 64 |
| May | 70 | 51 | 4.4 | 13 | 10.7 | 67 |
| Jun | 79 | 61 | 4.3 | 12 | 12.2 | 70 |
| Jul | 82 | 64 | 4.1 | 12 | 12.5 | 72 |
| Aug | 80 | 63 | 3.9 | 11 | 11.3 | 75 |
| Sep | 73 | 55 | 3.2 | 10 | 9.8 | 75 |
| Oct | 61 | 45 | 3.4 | 11 | 7.6 | 75 |
| Nov | 47 | 35 | 2.8 | 10 | 5.5 | 75 |
| Dec | 37 | 26 | 2.5 | 12 | 4.3 | 79 |
Similar climates
Want a side-by-side climate view? Compare Allegan with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology