August weather forecast
Robertsville, NJ

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Weather in August

August, the last month of the summer in Robertsville, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 68.4°F (20.2°C).

Temperature

The ushering in of August brings an average high-temperature of a still warm 81.1°F (27.3°C), closely mirroring the 82.8°F (28.2°C) of July. In the month of August, the nighttime temperature in Robertsville dips to a steady average of 68.4°F (20.2°C).

Heat index

The average heat index in August is appraised at a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

January, March, April, August and November, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Robertsville, in August, during 14.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Robertsville.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of August in Robertsville, New Jersey, sunrise is at 5:55 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

Sunshine

In Robertsville, 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 in Robertsville. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in August translates into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the temperatures in Robertsville in August?

In Robertsville, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 68.4°F (20.2°C). In August, 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 least humid month in Robertsville?

January, March, April, August and November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in August in Robertsville?

The average relative humidity in August in Robertsville, New Jersey, is 74%.

How much does it rain in Robertsville in August?

In August, in Robertsville, the rain falls for 14.3 days. Throughout August, 2.83" (72mm) of precipitation is accumulated.

When it does not snow in Robertsville?

May through September are months without snowfall in Robertsville, New Jersey.

How many hours of daylight does Robertsville have in August?

The average day length in August in Robertsville is 13h and 43min.

What time are sunrise and sunset in August in Robertsville?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:11 pm. On the last day of the month, in Robertsville, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

How long on average sun shines in August in Robertsville?

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

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

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

What is the UV index intensity in August in Robertsville?

In Robertsville, New Jersey, 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 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
Robertsville, NJ

Average temperature in August - Robertsville, NJ
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 68.4°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in August
Robertsville, NJ

Average pressure in August - Robertsville, 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
Robertsville, NJ

Average wind speed in August - Robertsville, NJ
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are January and March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in August
Robertsville, NJ

Average humidity in August - Robertsville, NJ
  • Average humidity in August: 74%

The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are January, March, April, August and November (74%).

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Average rainfall in August
Robertsville, NJ

Average rainfall in August - Robertsville, NJ
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in August
Robertsville, NJ

Average rainfall days in August - Robertsville, NJ
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is July (16.4 days).
The months with the least rainy days are January and November (9.8 days).

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Average snowfall in August
Robertsville, NJ

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

The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Robertsville, NJ

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

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Robertsville, 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 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 54min).

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Average sunshine days in August
Robertsville, NJ

Average sunshine days in August - Robertsville, NJ
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Robertsville, NJ

Average UV index in August - Robertsville, 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
Robertsville, NJ

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

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in August
Robertsville, NJ

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

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