Average annual temperature is 12.8 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 176 days
Number of rainy days: 183 days
Number of snow days: 6 days
Look at detailed online map of Sag Harbor
* Weather data for Sag Harbor 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) | 14.9 | 16.3 | 12.7 | 21.7 | 22.4 | 24.5 | 30.1 | 27.7 | 31.5 | 24.0 | 18.2 | 15.9 |
| Average daytime temperature (°C) | 7.9 | 6.7 | 8.0 | 13.1 | 17.1 | 20.9 | 27.2 | 25.4 | 22.8 | 18.5 | 11.1 | 9.2 |
| Average temperature (°C) | 5.3 | 3.6 | 5.1 | 10.4 | 13.9 | 17.9 | 24.0 | 22.4 | 20.0 | 15.2 | 8.0 | 6.6 |
| Average night temperature (°C) | 3.2 | 0.4 | 2.6 | 8.1 | 11.3 | 15.6 | 21.3 | 19.9 | 17.8 | 12.6 | 5.3 | 4.2 |
| Absolute minimum temperature (°C) | -0.9 | -17.5 | -1.8 | 2.6 | 7.3 | 9.7 | 16.6 | 17.6 | 13.1 | 8.1 | -0.6 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 6.6 | 7.5 | 8.7 | 12.3 | 11.7 | 11.7 | 10.6 | 7.8 | 8.4 | 7.3 | 5.8 |
| Precipitation (mm) | 138 | 53 | 123 | 114 | 67 | 64 | 79 | 179 | 201 | 75 | 40 | 144 |
| Sunny days | 9 | 13 | 15 | 14 | 23 | 13 | 11 | 12 | 14 | 13 | 20 | 19 |
| Rainy days | 21 | 12 | 15 | 16 | 8 | 17 | 20 | 19 | 16 | 18 | 9 | 12 |
| Snow days | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Sag Harbor during the most sunny months:
The largest precipitation sum in Sag Harbor is at