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

Pleasant by day, brisk at night.
Several rainy days. About 12 wet days, fewer than in most months.
A mix of sunshine and cloud.
In September, afternoons feel about 70° and nights feel near 54°.
Partly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 70°F, easing to about 66°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 44 | 30 | 5.2 | 13 | 5.9 | 79 |
| Feb | 47 | 31 | 4.2 | 11 | 7.2 | 76 |
| Mar | 54 | 36 | 4.8 | 13 | 8.8 | 72 |
| Apr | 61 | 42 | 4.7 | 14 | 10.2 | 70 |
| May | 68 | 50 | 6.7 | 18 | 10.8 | 75 |
| Jun | 76 | 57 | 5.7 | 16 | 12.0 | 75 |
| Jul | 78 | 59 | 5.8 | 14 | 12.3 | 73 |
| Aug | 78 | 59 | 5.2 | 14 | 11.2 | 76 |
| Sep | 71 | 53 | 4.4 | 12 | 9.6 | 80 |
| Oct | 63 | 47 | 4.7 | 13 | 7.9 | 81 |
| Nov | 51 | 37 | 5.5 | 14 | 6.3 | 82 |
| Dec | 45 | 31 | 5.9 | 14 | 5.5 | 80 |
Similar climates
Want a side-by-side climate view? Compare Annecy 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 26, 2026
Data & methodology