August weather forecast
Merchantville, NJ

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Weather in August

August, the last month of the summer in Merchantville, is another warm month, with an average temperature varying between 68.5°F (20.3°C) and 84.2°F (29°C).

Temperature

The shift into August uncovers an average high-temperature of a moderately hot 84.2°F (29°C), subtly different from the previous month. During August, Merchantville witnesses a consistent average low-temperature of 68.5°F (20.3°C).

Heat index

The average heat index in August is computed to be a hot 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In August, the average relative humidity in Merchantville is 71%.

Rainfall

The month with the most rainfall in Merchantville is August, when the rain falls for 12.4 days and typically aggregates up to 1.46" (37mm) of precipitation.

Snowfall

June through October are months without snowfall in Merchantville.

Daylight

In Merchantville, the average length of the day in August is 13h and 42min.
On the first day of August in Merchantville, New Jersey, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

How hot does it get in Merchantville in August?

The high-temperature, in August, in Merchantville, records 84.2°F (29°C), while the low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 91.4°F (33°C).

What is the average humidity in August in Merchantville?

In Merchantville, the average relative humidity in August is 71%.

What is the rainiest month in Merchantville?

August is the month with the most rainfall. Rain falls for 12.4 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Merchantville in August?

In August, in Merchantville, New Jersey, the rain falls for 12.4 days. Throughout August, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Merchantville?

June through October are months without snowfall in Merchantville, New Jersey.

How many hours of daylight does Merchantville have in August?

In Merchantville, the average day length in August is 13h and 42min.

When are sunrise and sunset in August in Merchantville?

On the first day of August, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

How many hours of sunshine does Merchantville have in August?

In August, the average sunshine duration is 10.2h.

What is the month with the highest UV index in Merchantville?

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

How high is the UV index in August in Merchantville?

In Merchantville, 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
Merchantville, NJ

Average temperature in August - Merchantville, NJ
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in August
Merchantville, NJ

Average pressure in August - Merchantville, NJ
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Merchantville, NJ

Average wind speed in August - Merchantville, NJ
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in August
Merchantville, NJ

Average humidity in August - Merchantville, NJ
  • Average humidity in August: 71%

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in August
Merchantville, NJ

Average rainfall in August - Merchantville, NJ
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in August
Merchantville, NJ

Average rainfall days in August - Merchantville, NJ
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in August
Merchantville, NJ

Average snowfall in August - Merchantville, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Merchantville, NJ

Average snowfall days in August - Merchantville, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Merchantville, NJ

Average daylight in August / Average sunshine in August - Merchantville, NJ
  • 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 24min).

  • Average sunshine in August: 10h and 1min

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 48min).

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Average sunshine days in August
Merchantville, NJ

Average sunshine days in August - Merchantville, NJ
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).

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Average UV index in August
Merchantville, NJ

Average UV index in August - Merchantville, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Merchantville, NJ

Average cloud cover in August - Merchantville, NJ
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in August
Merchantville, NJ

Average visibility in August - Merchantville, NJ
  • 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).

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Merchantville, New Jersey, USA

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