Sag Harbor
New York, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sag Harbor, NY

January, like December, in Sag Harbor, New York, is another cold winter month, with average temperature ranging between min 31.3°F (-0.4°C) and max 38.8°F (3.8°C). January is the coldest month, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 31.3°F (-0.4°C). Weather in January »

The last month of the winter, February, is also a wintry month in Sag Harbor, New York, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 31.5°F (-0.3°C). In Sag Harbor, the average high-temperature is essentially the same as in January - a still wintry 39.6°F (4.2°C). Weather in February »

March, the first month of the spring, in Sag Harbor, is a frosty month, with average temperature fluctuating between 36.1°F (2.3°C) and 43°F (6.1°C). In March, the average high-temperature is relatively the same as in February - a chilly 43°F (6.1°C). Weather in March »

April in Sag Harbor, New York, is a fresh spring month, with average temperature varying between 44.2°F (6.8°C) and 50°F (10°C). In Sag Harbor, the average high-temperature marginally rises, from a chilly 43°F (6.1°C) in March, to a fresh 50°F (10°C). Weather in April »

May, the last month of the spring, in Sag Harbor, is a moderate month, with average temperature ranging between max 58.6°F (14.8°C) and min 52.7°F (11.5°C). In May, the average high-temperature marginally rises, from a fresh 50°F (10°C) in April, to a mild 58.6°F (14.8°C). Weather in May »

June, the first month of the summer, in Sag Harbor, is an enjoyable month, with average temperature ranging between max 67.6°F (19.8°C) and min 62.6°F (17°C). In Sag Harbor, the average high-temperature increases, from a mild 58.6°F (14.8°C) in May, to an enjoyable 67.6°F (19.8°C). Weather in June »

July in Sag Harbor, New York, is a moderately hot summer month, with average temperature fluctuating between 70.3°F (21.3°C) and 75.7°F (24.3°C). In Sag Harbor, the average high-temperature slightly increases, from a comfortable 67.6°F (19.8°C) in June, to a warm 75.7°F (24.3°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Sag Harbor, New York, with average temperature fluctuating between 71.2°F (21.8°C) and 75.9°F (24.4°C). The warmest month is August, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 71.2°F (21.8°C). Weather in August »

September, the first month of the autumn, in Sag Harbor, is still a pleasant month, with average temperature fluctuating between 65.1°F (18.4°C) and 70.7°F (21.5°C). In September, the average high-temperature is practically the same as in August - an agreeable 70.7°F (21.5°C). Weather in September »

October, like September, in Sag Harbor, New York, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 56.3°F (13.5°C). In October, the average high-temperature marginally drops, from a pleasant 70.7°F (21.5°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Sag Harbor, New York, with average temperature varying between 52.7°F (11.5°C) and 45.5°F (7.5°C). In Sag Harbor, the average high-temperature in November decreases, from a comfortable 62.4°F (16.9°C) in October, to a cool 52.7°F (11.5°C). Weather in November »

The first month of the winter, December, is also a frosty month in Sag Harbor, New York, with average temperature fluctuating between 37.9°F (3.3°C) and 45°F (7.2°C). In December, the average high-temperature slightly decreases, from a cool 52.7°F (11.5°C) in November, to a chilly 45°F (7.2°C). Weather in December »

What is the coldest month in Sag Harbor?

January is the coldest month, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 31.3°F (-0.4°C).

How many days does it rain in Sag Harbor?

Throughout the year, in Sag Harbor, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

When does it snow in Sag Harbor?

Months with snowfall in Sag Harbor are January through March, November and December.

How many days does it snow in Sag Harbor?

In Sag Harbor, New York, during the entire year, snow falls for 13.9 days, and aggregates up to 6.61" (168mm) of snow.

When is the lowest UV index in Sag Harbor?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index.

When is the ocean coldest in Sag Harbor?

With an average ocean temperature of 39.7°F (4.3°C), February is the month with the coldest seawater in Sag Harbor, New York.

When does it snow the most in Sag Harbor?

March is the month with the most snowfall in Sag Harbor. Snow falls for 3 days and accumulates 2.36" (60mm) of snow.

When it does not snow in Sag Harbor?

April through October are months without snowfall in Sag Harbor, New York.

What are the most humid months in Sag Harbor?

May and June, with an average relative humidity of 81%, are most humid months.

When are the longest days in Sag Harbor?

With an average of 15.1h of daylight, June has the longest days of the year.

What are the months with the highest UV index in Sag Harbor?

Months with the highest UV index in Sag Harbor, New York, are June through August, with an average maximum UV index of 6.

What is the month with the most sunshine in Sag Harbor?

Months with the most sunshine in Sag Harbor are July and August, with an average of 10.6h of sunshine.

What is the warmest month in Sag Harbor?

With an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 71.2°F (21.8°C), August is the warmest month.

When is the ocean warmest in Sag Harbor?

The month with the warmest seawater is August, with an average ocean temperature of 73.2°F (22.9°C).

What is the driest month in Sag Harbor?

The month with the least rainfall is September when the rain falls for 12.6 days and typically collects 2.17" (55mm) of precipitation.

What is the least humid month in Sag Harbor?

November is the least humid month in Sag Harbor, with an average relative humidity of 72%.

What is the wettest month in Sag Harbor?

The month with the most rainfall in Sag Harbor, New York, is December when the rain falls for 12.8 days and typically aggregates up to 3.82" (97mm) of precipitation.

What is the month with the shortest days in Sag Harbor?

With an average of 9.3h of daylight, December has the shortest days of the year in Sag Harbor.

What is the month with the least sunshine in Sag Harbor?

With an average of 4.6h of sunshine, December has the least sunshine of the year.
Average temperature - Sag Harbor, NY
Average humidity - Sag Harbor, NY
Average rainfall - Sag Harbor, NY

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the lowest rainfall) is September (2.17").

Average rainfall days - Sag Harbor, NY

The month with the highest number of rainy days is May (15.3 days).
The month with the lowest number of rainy days is January (9.1 days).

Average snowfall - Sag Harbor, NY

The month with the highest snowfall is March (2.36").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Sag Harbor, NY

The month with the highest number of snowfall days is January (4.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Sag Harbor, NY

The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (39.8°F).

Average daylight / Average sunshine - Sag Harbor, NY

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

Months with most sunshine are July and August (Average sunshine: 10.6h).
The month with least sunshine is December (Average sunshine: 4.6h).

Average UV index - Sag Harbor, NY