Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August brings a marginal elevation to a still warm 81.3°F (27.4°C) from July's 83.1°F (28.4°C) in Mountain Lakes's average high-temperatures. Throughout August nights, Mountain Lakes experiences a consistent temperature average of 63°F (17.2°C).Heat index
The heat index value during August is computed to be a tropical 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. 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. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In August, the average relative humidity is 76%.Rainfall
In August, in Mountain Lakes, the rain falls for 15 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 161.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Mountain Lakes, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:31 pm EDT.
Sunshine
In Mountain Lakes, New Jersey, the average sunshine in August is 9.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Mountain Lakes. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 6 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Mountain Lakes?
What is the average humidity in August in Mountain Lakes?
How many days does it rain in August in Mountain Lakes?
When it does not snow in Mountain Lakes?
What is the average length of the day in August in Mountain Lakes?
When are sunrise and sunset in August in Mountain Lakes?
How many hours of sunshine does Mountain Lakes have in August?
When is the highest UV index in Mountain Lakes?
How high is the UV index in August in Mountain Lakes?
Average temperature in August
Mountain Lakes, NJ
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Mountain Lakes, NJ
- Average pressure in August: 29.99"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
Mountain Lakes, NJ
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in August
Mountain Lakes, NJ
- Average humidity in August: 76%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Mountain Lakes, NJ
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Mountain Lakes, NJ
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in August
Mountain Lakes, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mountain Lakes, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mountain Lakes, NJ
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in August
Mountain Lakes, NJ
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in August
Mountain Lakes, 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
Mountain Lakes, NJ
- Average cloud cover in August: 35
The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in August
Mountain Lakes, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).
Mountain Lakes, New Jersey, USA
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