August weather forecast
Runnemede, NJ

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Weather in August

The last month of the summer, August, is another warm month in Runnemede, New Jersey, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 83.7°F (28.7°C).

Temperature

The arrival of August brings an average high-temperature of a still warm 83.7°F (28.7°C), subtly diverging from July's 85.8°F (29.9°C). Runnemede experiences an average low-temperature reading of 68.2°F (20.1°C) throughout August.

Heat index

In August, the heat index is evaluated at a hot 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In August, the average relative humidity in Runnemede is 72%.

Rainfall

August is the month with the most rainfall in Runnemede. Rain falls for 12 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

April, June through October are months without snowfall in Runnemede.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

In Runnemede, the average sunshine in August is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

Is it hot in Runnemede during August?

In August, in Runnemede, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 68.2°F (20.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in August in Runnemede?

The average relative humidity in August in Runnemede is 72%.

What is the wettest month in Runnemede?

The month with the most rainfall is August, when the rain falls for 12 days and typically aggregates up to 1.38" (35mm) of precipitation.

How much does it rain in Runnemede in August?

In August, the rain falls for 12 days. Throughout August, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Runnemede?

April, June through October are months without snowfall in Runnemede.

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

In August, the average day length is 13h and 41min.

When are sunrise and sunset in August in Runnemede?

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 Runnemede have in August?

In Runnemede, the average sunshine duration in August is 10.3h.

What are the months with the highest UV index in Runnemede?

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

How high is the UV index in August in Runnemede?

The average daily maximum UV index in August in Runnemede, New Jersey, is 6. A UV Index reading 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
Runnemede, NJ

Average temperature in August - Runnemede, NJ
  • Average high temperature in August: 83.7°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 (37.9°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in August
Runnemede, NJ

Average pressure in August - Runnemede, 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 (29.94"Hg).

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Average wind speed in August
Runnemede, NJ

Average wind speed in August - Runnemede, NJ
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in August
Runnemede, NJ

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

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in August
Runnemede, NJ

Average rainfall in August - Runnemede, NJ
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").

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Average rainfall days in August
Runnemede, NJ

Average rainfall days in August - Runnemede, NJ
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in August
Runnemede, NJ

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

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in August
Runnemede, NJ

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

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Runnemede, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in August
Runnemede, NJ

Average sunshine days in August - Runnemede, NJ
  • Average sunshine days in August: 15.6 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).

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Average UV index in August
Runnemede, NJ

Average UV index in August - Runnemede, 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).

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Average cloud cover in August
Runnemede, NJ

Average cloud cover in August - Runnemede, NJ
  • Average cloud cover in August: 31

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 31).

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Average visibility in August
Runnemede, NJ

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

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