August weather forecast
Bayonne, NJ

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Weather in August

Contrasting the peak of July, August sees a slight dip in temperature, signaling the subtle shift towards autumn. The average high temperature drops a bit to 81.7°F (27.6°C) from July’s soaring highs. Consistent daylight hours continue to sprinkle sunshine, keeping the days long, warm, and pleasant. The weather remains ideal for outdoor activities, even as the sea temperature mildly decreases. August generally holds on to the remnants of summer, while subtly hinting at the oncoming fall.

Temperature

As July transitions into August, Bayonne records an average high-temperature of a still moderately hot 81.7°F (27.6°C), showing a gentle shift from the preceding month. August brings Bayonne a consistent average low-temperature of 68.9°F (20.5°C).

Heat index

The heat index for August is evaluated at a hot 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

August is the least humid month, with an average relative humidity of 72%.

Rainfall

In Bayonne, New Jersey, during August, the rain falls for 15.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Bayonne, there are 162 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 74.1°F (23.4°C).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 74.1°F (23.4°C) waters might be just right. Remember, Olympic swimmers are used to waters between 77°F (25°C) and 82.4°F (28°C).

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

Sunshine

In August, the average sunshine is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Bayonne. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be wary! Reflections from sand and water make UV radiation more intense.
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Frequently asked questions

What is the usual temperature for Bayonne in August?

The high-temperature, in August, in Bayonne, records 81.7°F (27.6°C), while the low-temperature is 68.9°F (20.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the least humid month in Bayonne?

August is the least humid month in Bayonne, New Jersey, with an average relative humidity of 72%.

What is the average humidity in August in Bayonne?

In Bayonne, New Jersey, the average relative humidity in August is 72%.

How much does it rain in Bayonne in August?

In Bayonne, during August, the rain falls for 15.4 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow in Bayonne?

May through October are months without snowfall in Bayonne, New Jersey.

What is the month with the warmest ocean in Bayonne?

August is the month with the warmest seawater in Bayonne, New Jersey, with an average ocean temperature of 74.1°F (23.4°C).

How warm is the water in August in Bayonne?

In Bayonne, New Jersey, in August, the average water temperature is 74.1°F (23.4°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.1°F (23.4°C) water may be enjoyable.

How many hours of daylight does Bayonne have in August?

In Bayonne, the average day length in August is 13h and 44min.

When are sunrise and sunset in August in Bayonne?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:11 pm. On the last day of the month, in Bayonne, New Jersey, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

How long on average sun shines in August in Bayonne?

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

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

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

What is the UV index reading in August in Bayonne?

In Bayonne, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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
Bayonne, NJ

Average temperature in August - Bayonne, NJ
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 68.9°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 (26.1°F).

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Average pressure in August
Bayonne, NJ

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Bayonne, NJ

Average wind speed in August - Bayonne, NJ
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in August
Bayonne, NJ

Average humidity in August - Bayonne, NJ
  • Average humidity in August: 72%

The months with the highest relative humidity are February, May and December (76%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in August
Bayonne, NJ

Average rainfall in August - Bayonne, NJ
  • Average rainfall in August: 2.87"

The wettest months (with the highest rainfall) are July and December (3.35").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Bayonne, NJ

Average rainfall days in August - Bayonne, NJ
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in August
Bayonne, NJ

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

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Bayonne, NJ

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

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Bayonne, NJ

Average sea temperature in August - Bayonne, NJ
  • Average sea temperature in August: 74.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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

Average daylight in August / Average sunshine in August - Bayonne, 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 18min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Bayonne, NJ

Average sunshine days in August - Bayonne, NJ
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in August
Bayonne, NJ

Average UV index in August - Bayonne, 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, March, November and December (UV index 2).

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Average cloud cover in August
Bayonne, NJ

Average cloud cover in August - Bayonne, NJ
  • Average cloud cover in August: 29

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Bayonne, NJ

Average visibility in August - Bayonne, 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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Bayonne, New Jersey, USA

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