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 welcomes an average high-temperature of a still warm 81.9°F (27.7°C), not much different from the preceding month. Montclair experiences an average low-temperature of 66.6°F (19.2°C) in month of August.Heat index
The heat index value for August is calculated to be a tropical 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The months with the lowest humidity are April and August, with an average relative humidity of 72%.Rainfall
In Montclair, in August, it is raining for 16.3 days, with typically 2.6" (66mm) of accumulated precipitation. In Montclair, during the entire year, the rain falls for 153.3 days and collects up to 24.92" (633mm) of precipitation.Snowfall
In Montclair, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:30 pm EDT.
Sunshine
In Montclair, the average sunshine in August is 10.3h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In August, a regular UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What are the least humid months?
What is the average humidity in August?
How many days does it rain in August in Montclair?
When it does not snow?
How many hours of daylight does Montclair have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Montclair have in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Montclair, NJ
- Average high temperature in August: 81.9°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 (35.2°F).
- Average low temperature in August: 66.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in August
Montclair, 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
Montclair, NJ
- Average wind speed in August: 5.8mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in August
Montclair, NJ
- Average humidity in August: 72%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in August
Montclair, NJ
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in August
Montclair, NJ
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in August
Montclair, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Montclair, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Montclair, 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: 10h and 2min
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 42min).
Average sunshine days in August
Montclair, NJ
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in August
Montclair, 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
Montclair, NJ
- Average cloud cover in August: 31
The 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
Montclair, 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).
Montclair, New Jersey, USA
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