August weather forecast
East Moriches, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in East Moriches, New York, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 77.5°F (25.3°C).

Temperature

The warmest time of the year is August, with temperatures averaging a high of 77.5°F (25.3°C) and a low of 71.4°F (21.9°C).

Humidity

In East Moriches, New York, the average relative humidity in August is 75%.

Rainfall

In August, the rain falls for 15.2 days. Throughout August, 2.68" (68mm) of precipitation is accumulated. In East Moriches, during the entire year, the rain falls for 156.2 days and collects up to 30.2" (767mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

With an average ocean temperature of 73.8°F (23.2°C), August is the month with the warmest seawater.
Note: If cold is not your friend, swimming at 73.8°F (23.2°C) might be daunting. But the right mix of sunshine, wind, and external temperature can make a difference. Although wetsuits are not essential, they can enhance the swimming experience.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:24 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.8h of 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

East Moriches records the warmest temperatures in August, averaging a high of 77.5°F (25.3°C) and a low of 71.4°F (21.9°C).

What is the usual temperature for East Moriches in August?

August temperatures vary between a high-temperature of 77.5°F (25.3°C) and a low-temperature of 71.4°F (21.9°C).

What is the average humidity in August in East Moriches?

In East Moriches, the average relative humidity in August is 75%.

How much does it rain in August?

In East Moriches, in August, it is raining for 15.2 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What month is the ocean warmest?

The month with the warmest seawater is August, with an average ocean temperature of 73.8°F (23.2°C).

What is the ocean temperature in August?

In East Moriches, the average seawater temperature in August is 73.8°F (23.2°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 73.8°F (23.2°C) water may be enjoyable.

How many hours of daylight does East Moriches have in August?

The average day length in August is 13h and 45min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:48 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:24 pm EDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.8h of sunshine.

How many hours of sunshine does East Moriches have in August?

The average sunshine duration in August is 10.8h.

When is the highest UV index?

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

What is the UV index intensity in August?

In East Moriches, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
East Moriches, NY

Average temperature in August - East Moriches, NY
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 71.4°F

The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
East Moriches, NY

Average pressure in August - East Moriches, 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
East Moriches, NY

Average wind speed in August - East Moriches, NY
  • Average wind speed in August: 9.6mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).

Average humidity in August
East Moriches, NY

Average humidity in August - East Moriches, NY
  • Average humidity in August: 75%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

Average rainfall in August
East Moriches, NY

Average rainfall in August - East Moriches, NY
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").

Average rainfall days in August
East Moriches, NY

Average rainfall days in August - East Moriches, NY
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).

Average snowfall in August
East Moriches, NY

Average snowfall in August - East Moriches, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
East Moriches, NY

Average snowfall days in August - East Moriches, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in August
East Moriches, NY

Average sea temperature in August - East Moriches, NY
  • Average sea temperature in August: 73.7°F

The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (38°F).

Average daylight in August /
Average sunshine in August
East Moriches, NY

Average daylight in August / Average sunshine in August - East Moriches, 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 5min

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

Average sunshine days in August
East Moriches, NY

Average sunshine days in August - East Moriches, NY
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in August
East Moriches, NY

Average UV index in August - East Moriches, 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
East Moriches, NY

Average cloud cover in August - East Moriches, NY
  • Average cloud cover in August: 26

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in August
East Moriches, NY

Average visibility in August - East Moriches, 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).

East Moriches, New York, USA

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