Sag Harbor Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sag Harbor.
Climate overview of Sag Harbor
Temperatures in Sag Harbor, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while February is the coldest at 4°C (39°F).
The city has a wet climate, receiving around 1220 mm (48 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. December is the wettest month.
Sag Harbor Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sag Harbor - and find the best time to visit.
Monthly Temperature in Sag Harbor
The climate in Sag Harbor is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a chilly 4°C (39°F) in February.
Nighttime temperatures range from 19°C (66°F) in July to -5°C (23°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sag Harbor
Sag Harbor has a notably wet climate with abundant precipitation, recording 1220 mm (48 in) of rain/snowfall per year. The wettest period in Sag Harbor occurs in December, which receives around 131 mm (5.2 in) of precipitation. During the driest month, July, Sag Harbor experiences moderate rainfall, totaling 86 mm (3.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Sag Harbor Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Sag Harbor
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Fewer rainy days: February, July, August, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: February, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Sag Harbor
What is the best time to visit Sag Harbor?
July and August typically offer the most optimal weather in Sag Harbor. In contrast, January, February, March and December tend to have less optimal conditions. Sag Harbor has warm summers and cold winters.
What temperatures can I expect in Sag Harbor?
Daytime highs range from 4°C (39°F) in February to 28°C (82°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Sag Harbor get?
Annual rainfall is around 1220 mm (48 in). December is the wettest month with 131 mm (5.2 in), while July is the driest with 86 mm (3.4 in).
Sag Harbor 3-Day Forecast
Sag Harbor 3-Day Forecast
Sag Harbor on the map
Sag Harbor is highlighted - select any city to see its climate.
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