August weather forecast
Cape May, NJ

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The superior design on the city of Cape May, New Jersey, with deep road veins and city buildings near the vast, blue sea in a far view
The superior design on the city of Cape May, New Jersey, with deep road veins and city buildings near the vast, blue sea in a far view

Weather in August

August weather in Cape May mostly replicates that of July. Despite a marginal decline in temperature from the July records, August remains a time of high warmness. The warmth of the sea reaches its peak in August, making sea activities highly favorable. It is also a month of somewhat high rainfall, reaching the highest levels of the year, but it rarely disrupts outdoor activities. Gradual cooling and shorter daylight hours signal the onset of September.

Temperature

The commencement of August records an average high-temperature of a still warm 78.6°F (25.9°C), barely varying from July's 79.3°F (26.3°C). In Cape May, the nightly August temperatures experience a slight descent from daily highs to an average low of 73°F (22.8°C).

Humidity

In August, the average relative humidity in Cape May, New Jersey, is 77%.

Rainfall

The month with the most rainfall in Cape May is August, when the rain falls for 16 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

April through November are months without snowfall in Cape May.

Ocean temperature

With an average ocean temperature of 75.2°F (24°C), August is the month with the warmest seawater.
Note: Swimming in 75.2°F (24°C) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.

Daylight

In August, the average length of the day in Cape May is 13h and 38min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:31 pm EDT.

Sunshine

In August, the average sunshine in Cape May, New Jersey, is 10.5h.

UV index

The months with the highest UV index in Cape May are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be attentive! The UV exposure is heightened with reflections from sand and water.
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Frequently asked questions

What is the average August temperature in Cape May?

Cape May in August has an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 73°F (22.8°C).

What is the average humidity in August in Cape May?

In Cape May, New Jersey, the average relative humidity in August is 77%.

What is the wettest month in Cape May?

August is the month with the most rainfall. Rain falls for 16 days and accumulates 3.86" (98mm) of precipitation.

How much does it rain in Cape May in August?

In Cape May, in August, during 16 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

When it does not snow in Cape May?

April through November are months without snowfall.

What is the month with the warmest ocean in Cape May?

August is the month with the warmest seawater in Cape May, with an average ocean temperature of 75.2°F (24°C).

What is the ocean temperature in August in Cape May?

In Cape May, New Jersey, in August, the average water temperature is 75.2°F (24°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.2°F (24°C) water.

What is the average length of the day in August in Cape May?

In August, the average day length is 13h and 38min.

When are sunrise and sunset in August in Cape May?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:31 pm EDT.

How long on average sun shines in August in Cape May?

In Cape May, New Jersey, the average sunshine duration in August is 10.5h.

What is the month with the highest UV index in Cape May?

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

How high is the UV index in August in Cape May?

In August, the average daily maximum UV index in Cape May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Cape May, NJ

Average temperature in August - Cape May, NJ
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in August: 73°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

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Average pressure in August
Cape May, NJ

Average pressure in August - Cape May, 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
Cape May, NJ

Average wind speed in August - Cape May, NJ
  • Average wind speed in August: 9.3mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).

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Average humidity in August
Cape May, NJ

Average humidity in August - Cape May, NJ
  • Average humidity in August: 77%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in August
Cape May, NJ

Average rainfall in August - Cape May, NJ
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in August
Cape May, NJ

Average rainfall days in August - Cape May, NJ
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in August
Cape May, NJ

Average snowfall in August - Cape May, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Cape May, NJ

Average snowfall days in August - Cape May, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in August
Cape May, NJ

Average sea temperature in August - Cape May, NJ
  • Average sea temperature in August: 75°F

The best month for swimming (with the highest average sea temperature) is August (75°F).
The coldest months (with the lowest average sea temperature) are February and March (43°F).

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Average daylight in August /
Average sunshine in August
Cape May, NJ

Average daylight in August / Average sunshine in August - Cape May, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 3min

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 54min).

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Average sunshine days in August
Cape May, NJ

Average sunshine days in August - Cape May, NJ
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are May and June (12.5 days).

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Average UV index in August
Cape May, NJ

Average UV index in August - Cape May, NJ
  • 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 and December (UV index 2).

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Average cloud cover in August
Cape May, NJ

Average cloud cover in August - Cape May, NJ
  • Average cloud cover in August: 27

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in August
Cape May, NJ

Average visibility in August - Cape May, 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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Cape May, New Jersey, USA

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