August weather forecastMontgomery, NJ
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Montgomery, New Jersey, with an average temperature ranging between min 63.7°F (17.6°C) and max 82°F (27.8°C).Temperature
The transition from July to August brings an average high-temperature of a still warm 82°F (27.8°C), barely different from July's 84.2°F (29°C). Montgomery usually reports an average low-temperature of 63.7°F (17.6°C) during the month of August.Heat index
The heat index value for August is computed to be a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in August is 77%.Rainfall
In Montgomery, in August, during 12.2 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
In Montgomery, snow does not fall in June through October.Daylight
In Montgomery, the average length of the day in August is 13h and 44min.On the first day of August, sunrise is at 5:56 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:31 pm EDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Montgomery, 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 (35.4°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in August
Montgomery, 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
Montgomery, NJ
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in August
Montgomery, NJ
- Average humidity in August: 77%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Montgomery, NJ
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in August
Montgomery, NJ
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Montgomery, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Montgomery, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Montgomery, NJ
- Average daylight in August: 13h and 42min
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: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Montgomery, NJ
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).
Average UV index in August
Montgomery, NJ
- Average UV index in August: 6
The months with the highest UV index are May, 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
Montgomery, NJ
- Average cloud cover in August: 36
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in August
Montgomery, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
