August weather forecast
Melville, NY

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Weather in August

August, the last month of the summer in Melville, is also a moderately hot month, with an average temperature ranging between min 71.8°F (22.1°C) and max 78.6°F (25.9°C).

Temperature

August's arrival shows an average high-temperature of a still warm 78.6°F (25.9°C), hardly different from the previous month. During August, Melville perceives a slight decrease in temperature from daytime highs, settling at an average low of 71.8°F (22.1°C).

Humidity

In Melville, the average relative humidity in August is 73%.

Rainfall

In Melville, during August, the rain falls for 13.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Melville, New York, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.

Snowfall

In Melville, snow does not fall in June through October.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of August, in Melville, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

Sunshine

In Melville, 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 in Melville. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Melville?

The average high-temperature and low-temperature in Melville during August are 78.6°F (25.9°C) and 71.8°F (22.1°C) respectively.

What is the average humidity in August in Melville?

In Melville, the average relative humidity in August is 73%.

How many days does it rain in August in Melville?

In August, in Melville, New York, the rain falls for 13.4 days. Throughout August, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Melville?

In Melville, snow does not fall in June through October.

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

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

When are sunrise and sunset in August in Melville?

In August, on the first day of the month, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of the month, in Melville, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Melville have in August?

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

When is the highest UV index in Melville?

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

What is the UV index intensity in August in Melville?

In August, the average daily maximum UV index in Melville is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Melville, NY

Average temperature in August - Melville, NY
  • Average high temperature in August: 78.6°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 (37.8°F).

  • Average low temperature in August: 71.8°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in August
Melville, NY

Average pressure in August - Melville, 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
Melville, NY

Average wind speed in August - Melville, NY
  • Average wind speed in August: 8.8mph

The windiest month (with the highest average wind speed) is January (13.3mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

Average humidity in August
Melville, NY

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

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

Average rainfall in August
Melville, NY

Average rainfall in August - Melville, NY
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in August
Melville, NY

Average rainfall days in August - Melville, NY
  • Average rainfall days in August: 13.4 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in August
Melville, NY

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

The month with the highest snowfall is March (0.35").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Melville, NY

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

The month with the highest number of snowfall days is February (3.8 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
Melville, NY

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

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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Melville, NY

Average sunshine days in August - Melville, NY
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14 days).

Average UV index in August
Melville, NY

Average UV index in August - Melville, 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
Melville, NY

Average cloud cover in August - Melville, 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
Melville, NY

Average visibility in August - Melville, 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).

Melville, New York, USA

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