August weather forecast and climate
West Orange, NJ

The last month of the summer, August, is also a moderately hot month in West Orange, New Jersey, with average temperature ranging between max 81.9°F (27.7°C) and min 66.7°F (19.3°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still moderately hot 81.9°F (27.7°C). In West Orange, in August, the average low-temperature is 66.7°F (19.3°C).

Heat index

In August, the average heat index is evaluated at a hot 86.5°F (30.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, wind, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

Months with the lowest humidity are April and August, with an average relative humidity of 72%.

Rainfall

In August, in West Orange, the rain falls for 14.1 days. Throughout August, 1.38" (35mm) of precipitation is accumulated. In West Orange, New Jersey, during the entire year, the rain falls for 127.3 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

In West Orange snow does not fall in May through September.

Daylight

In West Orange, the average length of the day in August is 13.7h.

Sunshine

In West Orange, the average sunshine in August is 10.4h.

UV index

Months with the highest UV index are June 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 unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in West Orange?

The average high-temperature, in August, in West Orange, is 81.9°F (27.7°C), while the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, in August is calculated to 86.5°F (30.3°C).

What are the least humid months in West Orange?

April and August, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in August in West Orange?

The average relative humidity in August in West Orange, New Jersey, is 72%.

How much does it rain in West Orange in August?

In West Orange, New Jersey, in August, it is raining for 14.1 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in West Orange?

In West Orange snow does not fall in May through September.

What is the average length of the day in August in West Orange?

The average length of the day in August is 13.7h.

How long on average sun shines in August in West Orange?

In August, the average sunshine in West Orange, New Jersey, is 10.4h.

When is the highest UV index in West Orange?

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

How high is the UV index in August in West Orange?

In August, the average daily maximum UV index in West Orange, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in August - West Orange, NJ
  • Average high temperature in August: 27.7°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in August: 19.3°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

Average pressure in August - West Orange, NJ
  • Average pressure in August: 1015.4mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in August - West Orange, NJ
  • Average wind speed in August: 9.3km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (9.3km/h).

Average humidity in August - West Orange, NJ
  • Average humidity in August: 72%

Months with the highest relative humidity are February and December (78%).
Months with the lowest relative humidity are April and August (72%).

Average rainfall in August - West Orange, NJ
  • Average rainfall in August: 35mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is January (17mm).

Average rainfall days in August - West Orange, NJ
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in August - West Orange, NJ
  • Average snowfall in August: 0mm

The month with the highest snowfall is March (31mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in August - West Orange, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - West Orange, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 10.4h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in August - West Orange, NJ
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in August - West Orange, NJ
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August - West Orange, NJ
  • Average cloud cover in August: 31

Months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August - West Orange, NJ
  • Average visibility in August: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).