August weather forecast
Plainsboro Center, NJ

Share

Weather in August

August, the last month of the summer in Plainsboro Center, is also a moderately hot month, with an average temperature fluctuating between 65.8°F (18.8°C) and 82.9°F (28.3°C).

Temperature

Plainsboro Center registers an average high-temperature of a still warm 82.9°F (28.3°C) at the commencement of August, closely related to the preceding month. An average nighttime temperature of 65.8°F (18.8°C) is recorded during August.

Heat index

In August, the average heat index is estimated at a hot 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Plainsboro Center, in August, it is raining for 12.6 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 119.3 rainfall days, and 12.72" (323mm) of precipitation is accumulated.

Snowfall

In Plainsboro Center, snow does not fall in June through October.

Daylight

In August, the average length of the day in Plainsboro Center is 13h and 43min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:12 pm. On the last day of August, in Plainsboro Center, New Jersey, sunrise is at 6:25 am and sunset at 7:31 pm EDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 6 suggests this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In August, in Plainsboro Center, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in August in Plainsboro Center?

In Plainsboro Center, the average relative humidity in August is 75%.

How much does it rain in Plainsboro Center in August?

In Plainsboro Center, in August, it is raining for 12.6 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall in Plainsboro Center.

What is the average length of the day in August?

In August, the average day length is 13h and 43min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:56 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:31 pm EDT.

How many hours of sunshine does Plainsboro Center have in August?

The average sunshine duration in August is 10.1h.

When is the highest UV index?

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

How high is the UV index in August in Plainsboro Center?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Plainsboro Center, NJ

Average temperature in August - Plainsboro Center, NJ
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in August
Plainsboro Center, NJ

Average pressure in August - Plainsboro Center, 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
Plainsboro Center, NJ

Average wind speed in August - Plainsboro Center, NJ
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Plainsboro Center, NJ

Average humidity in August - Plainsboro Center, NJ
  • Average humidity in August: 75%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Plainsboro Center, NJ

Average rainfall in August - Plainsboro Center, NJ
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").

Average rainfall days in August
Plainsboro Center, NJ

Average rainfall days in August - Plainsboro Center, NJ
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in August
Plainsboro Center, NJ

Average snowfall in August - Plainsboro Center, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Plainsboro Center, NJ

Average snowfall days in August - Plainsboro Center, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.6 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
Plainsboro Center, NJ

Average daylight in August / Average sunshine in August - Plainsboro Center, 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 48min).

Average sunshine days in August
Plainsboro Center, NJ

Average sunshine days in August - Plainsboro Center, NJ
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in August
Plainsboro Center, NJ

Average UV index in August - Plainsboro Center, 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
Plainsboro Center, NJ

Average cloud cover in August - Plainsboro Center, NJ
  • Average cloud cover in August: 33

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in August
Plainsboro Center, NJ

Average visibility in August - Plainsboro Center, NJ
  • Average visibility in August: 6mi

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

Plainsboro Center, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location