Average annual temperature is 25.1 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of Fisher Island
* Weather data for Fisher Island United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.0 | 29.9 | 31.0 | 30.1 | 31.1 | 33.5 | 34.2 | 34.5 | 33.1 | 33.1 | 29.5 | 28.7 |
| Average daytime temperature (°C) | 25.1 | 26.7 | 27.4 | 27.8 | 29.2 | 29.5 | 32.1 | 32.1 | 30.7 | 29.3 | 27.2 | 24.1 |
| Average temperature (°C) | 21.5 | 23.4 | 23.7 | 24.6 | 25.5 | 26.3 | 28.5 | 28.7 | 27.5 | 25.9 | 24.1 | 21.3 |
| Average night temperature (°C) | 18.3 | 20.4 | 20.6 | 21.6 | 22.1 | 23.5 | 25.3 | 26.0 | 24.6 | 23.0 | 21.4 | 18.8 |
| Absolute minimum temperature (°C) | 5.7 | 13.4 | 15.2 | 18.2 | 18.8 | 20.6 | 24.0 | 23.8 | 22.7 | 14.9 | 14.3 | 11.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.6 | 10.3 | 10.6 | 10.8 | 11.9 | 10.8 | 10.9 | 10.8 | 9.8 | 9.9 | 9.0 | 6.6 |
| Precipitation (mm) | 21 | 63 | 132 | 180 | 124 | 292 | 150 | 187 | 186 | 79 | 263 | 263 |
| Sunny days | 16 | 15 | 11 | 1 | 9 | 0 | 2 | 0 | 1 | 7 | 8 | 13 |
| Rainy days | 15 | 13 | 20 | 29 | 22 | 30 | 29 | 31 | 29 | 24 | 22 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fisher Island is at