August weather forecast
Mount Sinai, NY

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Weather in August

August, the last month of the summer in Mount Sinai, is also a moderately hot month, with an average temperature ranging between max 78.4°F (25.8°C) and min 71.1°F (21.7°C).

Temperature

The transition into August is marked with an average high-temperature of a still warm 78.4°F (25.8°C), showing an insignificant shift from July's 79.2°F (26.2°C). Nights in August cool down in Mount Sinai, indicating a minor disparity from daytime highs with an average low-temperature of 71.1°F (21.7°C).

Humidity

The average relative humidity in August in Mount Sinai, New York, is 73%.

Rainfall

In August, in Mount Sinai, New York, the rain falls for 15.7 days. Throughout August, 3.31" (84mm) of precipitation is accumulated. In Mount Sinai, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.

Snowfall

April through September are months without snowfall.

Ocean temperature

The month with the warmest seawater in Mount Sinai is August, with an average ocean temperature of 73.9°F (23.3°C).
Note: People sensitive to cold might find swimming in 73.9°F (23.3°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

The average length of the day in August in Mount Sinai is 13h and 46min.
On the first day of August, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:25 pm EDT.

Sunshine

The average sunshine in August in Mount Sinai is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mount Sinai in August?

In August, in Mount Sinai, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 71.1°F (21.7°C).

What is the average humidity in August in Mount Sinai?

In August, the average relative humidity is 73%.

How much does it rain in Mount Sinai in August?

In Mount Sinai, during August, the rain falls for 15.7 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in Mount Sinai?

In Mount Sinai, snow does not fall in April through September.

What is the month with the warmest ocean in Mount Sinai?

August is the month with the warmest seawater in Mount Sinai, with an average ocean temperature of 73.9°F (23.3°C).

What is the water temperature in August in Mount Sinai?

In Mount Sinai, New York, the average seawater temperature in August is 73.9°F (23.3°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.9°F (23.3°C) water.

What is the average length of the day in August in Mount Sinai?

In Mount Sinai, New York, the average day length in August is 13h and 46min.

When is the sunrise / sunset in August in Mount Sinai?

In August, on the first day of the month, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of the month, in Mount Sinai, New York, sunrise is at 6:18 am and sunset at 7:25 pm EDT.

How long on average sun shines in August in Mount Sinai?

In August, the average sunshine duration in Mount Sinai, New York, is 10.5h.

What are the months with the highest UV index in Mount Sinai?

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

What is the UV index intensity in August in Mount Sinai?

In Mount Sinai, New York, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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
Mount Sinai, NY

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

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in August: 71.1°F

The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in August
Mount Sinai, NY

Average pressure in August - Mount Sinai, 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
Mount Sinai, NY

Average wind speed in August - Mount Sinai, NY
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in August
Mount Sinai, NY

Average humidity in August - Mount Sinai, NY
  • Average humidity in August: 73%

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in August
Mount Sinai, NY

Average rainfall in August - Mount Sinai, NY
  • Average rainfall in August: 3.31"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in August
Mount Sinai, NY

Average rainfall days in August - Mount Sinai, NY
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in August
Mount Sinai, NY

Average snowfall in August - Mount Sinai, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
Mount Sinai, NY

Average snowfall days in August - Mount Sinai, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in August
Mount Sinai, NY

Average sea temperature in August - Mount Sinai, NY
  • Average sea temperature in August: 74°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in August /
Average sunshine in August
Mount Sinai, NY

Average daylight in August / Average sunshine in August - Mount Sinai, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Mount Sinai, NY

Average sunshine days in August - Mount Sinai, NY
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).

Average UV index in August
Mount Sinai, NY

Average UV index in August - Mount Sinai, 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, November and December (UV index 2).

Average cloud cover in August
Mount Sinai, NY

Average cloud cover in August - Mount Sinai, NY
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Mount Sinai, NY

Average visibility in August - Mount Sinai, 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).

Mount Sinai, New York, USA

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