August weather forecast
Watchung, NJ

Share

Weather in August

The last month of the summer, August, is another warm month in Watchung, New Jersey, with an average temperature ranging between min 66.2°F (19°C) and max 82°F (27.8°C).

Temperature

August's onset brings an average high-temperature of a still warm 82°F (27.8°C), showing a minute difference from July's 84.2°F (29°C). Throughout August, the average low-temperature records at a comfortable 66.2°F (19°C).

Heat index

In August, the heat index is appraised at a tropical 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The months with the lowest humidity are April and August, with an average relative humidity of 73%.

Rainfall

In Watchung, during August, the rain falls for 15.6 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 160.7 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Watchung, New Jersey.

Daylight

The average length of the day in August in Watchung is 13h and 44min.
On the first day of August, sunrise is at 5:55 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:31 pm EDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Watchung. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Watchung in August?

The high-temperature, in August, in Watchung, records 82°F (27.8°C), while the low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 87.8°F (31°C).

What is the least humid month in Watchung?

The months with the lowest humidity are April and August, with an average relative humidity of 73%.

What is the average humidity in August in Watchung?

The average relative humidity in August in Watchung, New Jersey, is 73%.

How much does it rain in Watchung in August?

In Watchung, New Jersey, during August, the rain falls for 15.6 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in Watchung?

In Watchung, New Jersey, snow does not fall in June through September.

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

In August, the average day length in Watchung is 13h and 44min.

What time are sunrise and sunset in August in Watchung?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:12 pm. On the last day of the month, in Watchung, New Jersey, sunrise is at 6:24 am and sunset at 7:31 pm EDT.

How many hours of sunshine does Watchung have in August?

In Watchung, New Jersey, the average sunshine duration in August is 10.1h.

When is the highest UV index in Watchung?

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

What is the UV index intensity in August in Watchung?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Watchung, NJ

Average temperature in August - Watchung, NJ
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in August
Watchung, NJ

Average pressure in August - Watchung, 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
Watchung, NJ

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

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Watchung, NJ

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

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and August (73%).

Average rainfall in August
Watchung, NJ

Average rainfall in August - Watchung, NJ
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
Watchung, NJ

Average rainfall days in August - Watchung, NJ
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in August
Watchung, NJ

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

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Watchung, NJ

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

The months with the highest number of snowfall days are January and February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Watchung, 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 18min).

  • 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 36min).

Average sunshine days in August
Watchung, NJ

Average sunshine days in August - Watchung, NJ
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in August
Watchung, NJ

Average UV index in August - Watchung, 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
Watchung, NJ

Average cloud cover in August - Watchung, NJ
  • Average cloud cover in August: 32

The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in August
Watchung, NJ

Average visibility in August - Watchung, 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).

Watchung, New Jersey, USA

Weather forecast for your location

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