August weather forecast
Seaford, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Seaford, New York, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 78.4°F (25.8°C).

Temperature

July and August, when the average high-temperature reaches 78.4°F (25.8°C), are the warmest months.

Humidity

The average relative humidity in August is 73%.

Rainfall

In Seaford, in August, during 15.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

In Seaford, snow does not fall in May through September.

Ocean temperature

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.
Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 74.1°F (23.4°C). (Olympic swimming regulations state a water temperature of 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

Sunshine

In Seaford, New York, the average sunshine in August is 10.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during August translates into the following guidance:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! The Sun's UV rays intensify with reflections from sand and water.

Frequently asked questions

What month is the hottest?

The months of July and August bring the highest temperatures, averaging a high of 78.4°F (25.8°C).

What is the usual temperature for Seaford in August?

The average high-temperature and low-temperature during August are 78.4°F (25.8°C) and 72°F (22.2°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In August, the rain falls for 15.3 days. Throughout August, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

When is the ocean warmest?

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.

How warm is the water in August?

In Seaford, in August, the average water temperature is 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

How many hours of daylight does Seaford have in August?

The average day length in August in Seaford, New York, is 13h and 44min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

How long on average sun shines in August?

In Seaford, the average sunshine duration in August is 10.7h.

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?

The average daily maximum UV index in August is 6. A UV Index value 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
Seaford, NY

Average temperature in August - Seaford, NY
  • Average high temperature in August: 78.4°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in August: 72°F

The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in August
Seaford, NY

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

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Seaford, NY

Average wind speed in August - Seaford, NY
  • Average wind speed in August: 9.3mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

Average humidity in August
Seaford, NY

Average humidity in August - Seaford, NY
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in August
Seaford, NY

Average rainfall in August - Seaford, NY
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in August
Seaford, NY

Average rainfall days in August - Seaford, NY
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in August
Seaford, NY

Average snowfall in August - Seaford, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Seaford, NY

Average snowfall days in August - Seaford, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in August
Seaford, NY

Average sea temperature in August - Seaford, NY
  • Average sea temperature in August: 74.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight in August /
Average sunshine in August
Seaford, NY

Average daylight in August / Average sunshine in August - Seaford, NY
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Seaford, NY

Average sunshine days in August - Seaford, NY
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in August
Seaford, NY

Average UV index in August - Seaford, 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
Seaford, NY

Average cloud cover in August - Seaford, NY
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Seaford, NY

Average visibility in August - Seaford, 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).

Seaford, New York, USA

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