Temperature
Pleasant by day, brisk at night.
Mild days with cool nights and some sun.

Pleasant by day, brisk at night.
Several rainy days. About 10 wet days, the lowest monthly average.
A mix of sunshine and cloud.
In September, afternoons feel about 65° and nights feel near 53°.
Mostly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 69°F, easing to about 65°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 47 | 38 | 2.5 | 12 | 4.5 | 86 | 47 |
| Feb | 49 | 39 | 2.1 | 11 | 6.1 | 82 | 46 |
| Mar | 54 | 41 | 2.2 | 12 | 8.0 | 78 | 46 |
| Apr | 59 | 44 | 2.1 | 11 | 10.5 | 74 | 49 |
| May | 65 | 49 | 2.3 | 12 | 11.0 | 75 | 52 |
| Jun | 71 | 55 | 2.4 | 11 | 12.2 | 74 | 57 |
| Jul | 74 | 58 | 2.3 | 11 | 12.0 | 74 | 61 |
| Aug | 74 | 58 | 2.4 | 10 | 11.0 | 75 | 63 |
| Sep | 69 | 54 | 2.1 | 10 | 9.3 | 78 | 63 |
| Oct | 62 | 50 | 2.8 | 13 | 6.8 | 83 | 60 |
| Nov | 53 | 44 | 2.8 | 13 | 5.2 | 86 | 55 |
| Dec | 48 | 40 | 3.1 | 14 | 4.3 | 86 | 51 |
Similar climates
Want a side-by-side climate view? Compare Deauville 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 22, 2026
Data & methodology