August weather forecast and climate
Wyckoff, NJ

The last month of the summer, August, is another warm month in Wyckoff, New Jersey, with average temperature varying between 63.1°F (17.3°C) and 81.3°F (27.4°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 81.3°F (27.4°C). The average low-temperature, in Wyckoff, is 63.1°F (17.3°C).

Heat index

The average heat index in August is evaluated at 86°F (30°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. Exposure to direct sunshine can increase heat index values 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. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, metabolic differences). 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 especially crucial for babies and toddlers. 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, July and August, with an average relative humidity of 74%.

Rainfall

In Wyckoff, New Jersey, during August, the rain falls for 15.7 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 148.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Wyckoff.

Daylight

In August, the average length of the day is 13.8h.

Sunshine

In August, the average sunshine is 10h.

UV index

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 threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Wyckoff?

In August, in Wyckoff, New Jersey, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 63.1°F (17.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines both air temperature and relative humidity, is calculated to 86°F (30°C).

What are the least humid months in Wyckoff?

April, July and August, with an average relative humidity of 74%, are the least humid months in Wyckoff, New Jersey.

What is the average humidity in August in Wyckoff?

In August, the average relative humidity in Wyckoff is 74%.

How many days does it rain in August in Wyckoff?

In Wyckoff, New Jersey, during August, the rain falls for 15.7 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Wyckoff?

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

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

The average length of the day in August in Wyckoff is 13.8h.

How many hours of sunshine does Wyckoff have in August?

In Wyckoff, New Jersey, the average sunshine in August is 10h.

What is the month with the highest UV index in Wyckoff?

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

What is the UV index intensity in August in Wyckoff?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in August - Wyckoff, NJ
  • Average high temperature in August: 27.4°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (1.4°C).

  • Average low temperature in August: 17.3°C

The month with the highest average low temperature is July (18.1°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in August - Wyckoff, 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 - Wyckoff, NJ
  • Average wind speed in August: 8.2km/h

The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

Average humidity in August - Wyckoff, NJ
  • Average humidity in August: 74%

Months with the highest relative humidity are February and December (80%).
Months with the lowest relative humidity are April, July and August (74%).

Average rainfall in August - Wyckoff, NJ
  • Average rainfall in August: 59mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in August - Wyckoff, NJ
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in August - Wyckoff, NJ
  • Average snowfall in August: 0mm

The month with the highest snowfall is March (108mm).
Months with the least snowfall are June, July, August and September (0mm).

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

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

Average daylight in August / Average sunshine in August - Wyckoff, NJ
  • Average daylight in August: 13.8h

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: 10h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

Average sunshine days in August - Wyckoff, NJ
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in August - Wyckoff, 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 - Wyckoff, NJ
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August - Wyckoff, NJ
  • Average visibility in August: 9km

Months with the highest visibility are January, March, April, July, August, October, November and December (9km).
Months with the lowest visibility are February, May, June and September (8km).