August weather forecast
Port Monmouth, NJ

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Weather in August

August, the last month of the summer in Port Monmouth, is another warm month, with an average temperature varying between 70.3°F (21.3°C) and 80.1°F (26.7°C).

Temperature

Port Monmouth's average high-temperature in August is a still warm 80.1°F (26.7°C), indicating a subtle variation from July. Port Monmouth experiences an average temperature drop to a pleasant 70.3°F (21.3°C) during August nights.

Humidity

In Port Monmouth, the average relative humidity in August is 74%.

Rainfall

In August, the rain falls for 12.6 days. Throughout August, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Port Monmouth, there are 127 rainfall days, and 12.99" (330mm) of precipitation is accumulated.

Snowfall

In Port Monmouth, snow does not fall in April through September.

Daylight

In Port Monmouth, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

Sunshine

In August, the average sunshine is 10.5h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

In August, in Port Monmouth, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 70.3°F (21.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

How much does it rain in August?

In Port Monmouth, in August, during 12.6 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

April through September are months without snowfall.

How many hours of daylight does Port Monmouth have in August?

The average day length in August is 13h and 44min.

When is the sunrise / sunset in August in Port Monmouth?

On the first day of August, sunrise is at 5:54 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Port Monmouth have in August?

In August, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

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

How high is the UV index in August?

In Port Monmouth, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Port Monmouth, NJ

Average temperature in August - Port Monmouth, NJ
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 70.3°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in August
Port Monmouth, NJ

Average pressure in August - Port Monmouth, 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).

Average wind speed in August
Port Monmouth, NJ

Average wind speed in August - Port Monmouth, NJ
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in August
Port Monmouth, NJ

Average humidity in August - Port Monmouth, NJ
  • Average humidity in August: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in August
Port Monmouth, NJ

Average rainfall in August - Port Monmouth, NJ
  • Average rainfall in August: 1.65"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in August
Port Monmouth, NJ

Average rainfall days in August - Port Monmouth, NJ
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in August
Port Monmouth, NJ

Average snowfall in August - Port Monmouth, NJ
  • Average snowfall in August: 0"

The months with the highest snowfall are January and December (0.47").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
Port Monmouth, NJ

Average snowfall days in August - Port Monmouth, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Port Monmouth, NJ

Average daylight in August / Average sunshine in August - Port Monmouth, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Port Monmouth, NJ

Average sunshine days in August - Port Monmouth, NJ
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.2 days).

Average UV index in August
Port Monmouth, NJ

Average UV index in August - Port Monmouth, 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).

Average cloud cover in August
Port Monmouth, NJ

Average cloud cover in August - Port Monmouth, NJ
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Port Monmouth, NJ

Average visibility in August - Port Monmouth, 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).

Port Monmouth, New Jersey, USA

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