August weather forecast
Riverside, NJ

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Weather in August

The last month of the summer, August, is also a moderately hot month in Riverside, New Jersey, with an average temperature ranging between min 67.6°F (19.8°C) and max 83.8°F (28.8°C).

Temperature

The commencement of August brings an average high-temperature of a still moderately hot 83.8°F (28.8°C), marking an inconsequential divergence from July. Throughout August, Riverside witnesses a nighttime temperature average of 67.6°F (19.8°C).

Heat index

During August, the heat index is computed to be a tropical 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In Riverside, during August, the rain falls for 13.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Riverside, during the entire year, the rain falls for 153.2 days and collects up to 27.72" (704mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Riverside, New Jersey, the average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 5:58 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 August, the average sunshine is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot is it in Riverside in August?

Riverside in August has an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 67.6°F (19.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in August?

In Riverside, the average relative humidity in August is 73%.

How many days does it rain in August?

In August, in Riverside, the rain falls for 13.8 days. Throughout August, 2.64" (67mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:58 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 Riverside have in August?

In August, the average sunshine duration is 10.2h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August in Riverside is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Riverside, NJ

Average temperature in August - Riverside, NJ
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in August
Riverside, NJ

Average pressure in August - Riverside, 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 (29.93"Hg).

Average wind speed in August
Riverside, NJ

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

The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in August
Riverside, NJ

Average humidity in August - Riverside, NJ
  • Average humidity in August: 73%

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

Average rainfall in August
Riverside, NJ

Average rainfall in August - Riverside, NJ
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in August
Riverside, NJ

Average rainfall days in August - Riverside, NJ
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Riverside, NJ

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

The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Riverside, NJ

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

The month with the highest number of snowfall days is January (6 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
Riverside, NJ

Average daylight in August / Average sunshine in August - Riverside, 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
Riverside, NJ

Average sunshine days in August - Riverside, NJ
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in August
Riverside, NJ

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

Average cloud cover in August
Riverside, NJ

Average cloud cover in August - Riverside, NJ
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Riverside, NJ

Average visibility in August - Riverside, 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).

Riverside, New Jersey, USA

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