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 advent of August reveals an average high-temperature of a still warm 78.6°F (25.9°C), showing minimal difference from the prior month. Throughout August, Cape May's nights experience a slight temperature dip to a pleasant 73°F (22.8°C).

Humidity

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

Rainfall

The month with the most rainfall 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.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 75.2°F (24°C).
Note: The allure of a swim in 75.2°F (24°C) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 77°F (25°C) to 82.4°F (28°C).

Daylight

In Cape May, New Jersey, the average length of the day in August is 13h and 38min.
On the first day of August, 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.

Sunshine

The average sunshine in August 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 value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

What are August temperatures in Cape May?

In August, the average high-temperature and low-temperature are 78.6°F (25.9°C) and 73°F (22.8°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 77%.

What is the wettest month?

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

How many days does it rain in August in Cape May?

In Cape May, during August, the rain falls for 16 days and regularly aggregates up to 3.86" (98mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

What is the month with the warmest ocean?

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

How warm is the water in August?

In Cape May, 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.

How many hours of daylight does Cape May have in August?

The average day length in August is 13h and 38min.

When are sunrise and sunset in August?

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 many hours of sunshine does Cape May have in August?

In August, the average sunshine duration is 10.5h.

When is the highest UV index?

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

What is the UV index reading in August?

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

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

Cape May, New Jersey, USA

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