August weather forecast
Mattituck, NY

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Weather in August

The last month of the summer, August, is another warm month in Mattituck, New York, with an average temperature ranging between min 71.2°F (21.8°C) and max 75.7°F (24.3°C).

Temperature

The start of August sees the average high-temperature at a still warm 75.7°F (24.3°C), showing little difference from July's 75.9°F (24.4°C). Mattituck's August nights demonstrate minimal variation from the daytime temperatures, with an average of 71.2°F (21.8°C).

Humidity

In August, the average relative humidity in Mattituck, New York, is 77%.

Rainfall

In Mattituck, in August, during 15.2 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 156.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

Snowfall

In Mattituck, snow does not fall in April, June through November.

Daylight

In Mattituck, the average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:06 pm. On the last day of August, in Mattituck, New York, sunrise is at 6:16 am and sunset at 7:23 pm EDT.

Sunshine

In August, the average sunshine in Mattituck is 10.6h.

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 hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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 Mattituck in August?

The high-temperature in Mattituck, New York, during August is 75.7°F (24.3°C) and the low-temperature is 71.2°F (21.8°C).

What is the average humidity in August in Mattituck?

The average relative humidity in August in Mattituck is 77%.

How many days does it rain in August in Mattituck?

In Mattituck, in August, it is raining for 15.2 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow in Mattituck?

In Mattituck, New York, snow does not fall in April, June through November.

What is the average length of the day in August in Mattituck?

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

When is the sunrise / sunset in August in Mattituck?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:23 pm EDT.

How many hours of sunshine does Mattituck have in August?

The average sunshine duration in August is 10.6h.

What are the months with the highest UV index in Mattituck?

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

What is the UV index intensity in August in Mattituck?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Mattituck, NY

Average temperature in August - Mattituck, NY
  • Average high temperature in August: 75.7°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 71.2°F

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

Average pressure in August
Mattituck, NY

Average pressure in August - Mattituck, 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
Mattituck, NY

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

The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).

Average humidity in August
Mattituck, NY

Average humidity in August - Mattituck, 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
Mattituck, NY

Average rainfall in August - Mattituck, NY
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in August
Mattituck, NY

Average rainfall days in August - Mattituck, NY
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in August
Mattituck, NY

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

The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in August
Mattituck, NY

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

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Mattituck, 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in August
Mattituck, NY

Average sunshine days in August - Mattituck, 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 (12.3 days).

Average UV index in August
Mattituck, NY

Average UV index in August - Mattituck, 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
Mattituck, NY

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

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Mattituck, NY

Average visibility in August - Mattituck, 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).

Mattituck, New York, USA

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