August weather forecast
Sag Harbor, NY

Share

Weather in August

August, the last month of the summer in Sag Harbor, is another warm month, with an average temperature ranging between min 71.2°F (21.8°C) and max 75.9°F (24.4°C).

Temperature

August is the month when Sag Harbor sees the highest average temperatures, with a high of 75.9°F (24.4°C) and a low of 71.2°F (21.8°C).

Humidity

In Sag Harbor, the average relative humidity in August is 77%.

Rainfall

In Sag Harbor, in August, during 14.9 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Sag Harbor, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

April through October are months without snowfall.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 73.2°F (22.9°C).
Note: People sensitive to cold might find swimming in 73.2°F (22.9°C) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of August, sunrise is at 5:45 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:22 pm EDT.

Sunshine

July and August, with an average of 10.6h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The UV exposure is heightened with reflections from sand and water.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

August brings the highest temperatures, with an average high of 75.9°F (24.4°C) and an average low of 71.2°F (21.8°C).

What is the usual temperature for Sag Harbor in August?

The average high-temperature, in August, in Sag Harbor, is 75.9°F (24.4°C), while the average low-temperature is 71.2°F (21.8°C).

What is the average humidity in August?

The average relative humidity in August in Sag Harbor is 77%.

How many days does it rain in August?

In Sag Harbor, during August, the rain falls for 14.9 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow?

In Sag Harbor, snow does not fall in April through October.

What is the month with the warmest ocean?

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

How warm is the water in August?

In Sag Harbor, the average seawater temperature in August is 73.2°F (22.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.2°F (22.9°C) water.

What is the average length of the day in August?

In August, the average day length is 13h and 46min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:22 pm EDT.

What are the months with the most sunshine?

July and August, with an average of 10.6h of sunshine, are months with the most sunshine.

How many hours of sunshine does Sag Harbor have in August?

The average sunshine duration in August is 10.6h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Sag Harbor, NY

Average temperature in August - Sag Harbor, NY
  • Average high temperature in August: 75.9°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in August
Sag Harbor, NY

Average pressure in August - Sag Harbor, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Sag Harbor, NY

Average wind speed in August - Sag Harbor, NY
  • Average wind speed in August: 10.6mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

Average humidity in August
Sag Harbor, NY

Average humidity in August - Sag Harbor, NY
  • Average humidity in August: 77%

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

Average rainfall in August
Sag Harbor, NY

Average rainfall in August - Sag Harbor, NY
  • Average rainfall in August: 2.76"

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

Average rainfall days in August
Sag Harbor, NY

Average rainfall days in August - Sag Harbor, NY
  • Average rainfall days in August: 14.9 days

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

Average snowfall in August
Sag Harbor, NY

Average snowfall in August - Sag Harbor, NY
  • Average snowfall in August: 0"

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

Average snowfall days in August
Sag Harbor, NY

Average snowfall days in August - Sag Harbor, NY
  • Average snowfall days in August: 0 days

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

Average sea temperature in August
Sag Harbor, NY

Average sea temperature in August - Sag Harbor, NY
  • Average sea temperature in August: 73.3°F

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 in August /
Average sunshine in August
Sag Harbor, NY

Average daylight in August / Average sunshine in August - Sag Harbor, NY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in August
Sag Harbor, NY

Average sunshine days in August - Sag Harbor, NY
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in August
Sag Harbor, NY

Average UV index in August - Sag Harbor, NY
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in August
Sag Harbor, NY

Average cloud cover in August - Sag Harbor, NY
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Sag Harbor, NY

Average visibility in August - Sag Harbor, NY
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Sag Harbor, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location