August weather forecast
Riverton, NJ

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Weather in August

August, the last month of the summer in Riverton, is another warm month, with an average temperature varying between 67.6°F (19.8°C) and 84.2°F (29°C).

Temperature

The average high-temperature is a moderately hot 84.2°F (29°C) in August, hardly different from the 86.4°F (30.2°C) recorded in July. An average nighttime temperature of 67.6°F (19.8°C) is observed during August.

Heat index

The average heat index in August is computed to be a hot 91.4°F (33°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

April, July and August, with an average relative humidity of 71%, are the least humid months.

Rainfall

In August, in Riverton, the rain falls for 16 days. Throughout August, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

In Riverton, the average sunshine in August is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 suggests this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

How hot does it get in August?

During August, Riverton experiences an average high-temperature of 84.2°F (29°C) and a low-temperature of 67.6°F (19.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 91.4°F (33°C).

What is the least humid month?

April, July and August, with an average relative humidity of 71%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 71%.

How much does it rain in August?

In Riverton, during August, the rain falls for 16 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow?

In Riverton, snow does not fall in June through October.

What is the average length of the day in August in Riverton?

In August, the average day length is 13h and 42min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

How many hours of sunshine does Riverton have in August?

In Riverton, the average sunshine duration in August is 10.1h.

What are the months with the highest UV index?

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

What is the UV index intensity in August in Riverton?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Riverton, NJ

Average temperature in August - Riverton, NJ
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Riverton, NJ

Average pressure in August - Riverton, NJ
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Riverton, NJ

Average wind speed in August - Riverton, NJ
  • Average wind speed in August: 5.6mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in August
Riverton, NJ

Average humidity in August - Riverton, NJ
  • Average humidity in August: 71%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in August
Riverton, NJ

Average rainfall in August - Riverton, NJ
  • Average rainfall in August: 3.35"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in August
Riverton, NJ

Average rainfall days in August - Riverton, NJ
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in August
Riverton, NJ

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

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Riverton, NJ

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

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Riverton, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Riverton, NJ

Average sunshine days in August - Riverton, NJ
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in August
Riverton, NJ

Average UV index in August - Riverton, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, 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
Riverton, NJ

Average cloud cover in August - Riverton, NJ
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in August
Riverton, NJ

Average visibility in August - Riverton, NJ
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Riverton, New Jersey, USA

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