Temperature
Cold by day, freezing at night.
Bettendorf is usually most comfortable in September and October. Typical daytime highs range from 31–84°F across the year. Rain varies by season.

Cold by day, freezing at night.
Several rainy days. About 8 wet days, fewer than in most months.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 39° and nights feel near 28°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 46°F, easing to about 42°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 17 | 1.8 | 8 | 5.8 | 76 |
| Feb | 36 | 21 | 1.9 | 7 | 7.2 | 72 |
| Mar | 49 | 32 | 2.8 | 9 | 8.5 | 67 |
| Apr | 62 | 42 | 4.2 | 12 | 9.0 | 63 |
| May | 73 | 54 | 4.7 | 13 | 10.4 | 67 |
| Jun | 81 | 64 | 4.6 | 12 | 11.6 | 69 |
| Jul | 84 | 67 | 3.6 | 11 | 12.2 | 72 |
| Aug | 82 | 65 | 3.5 | 9 | 11.5 | 73 |
| Sep | 76 | 57 | 3.4 | 9 | 10.0 | 70 |
| Oct | 63 | 46 | 2.7 | 9 | 7.8 | 68 |
| Nov | 49 | 34 | 2.4 | 8 | 6.4 | 71 |
| Dec | 36 | 23 | 2.1 | 8 | 5.6 | 77 |
Similar climates
Want a side-by-side climate view? Compare Bettendorf 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