August weather forecastMount Joy, NJ
August
Weather in August
The last month of the summer, August, is another warm month in Mount Joy, New Jersey, with an average temperature ranging between max 81.1°F (27.3°C) and min 61.5°F (16.4°C).Temperature
A minor adjustment in Mount Joy's average high-temperature is noted with the start of August, touching a still moderately hot 81.1°F (27.3°C) from July's 83.3°F (28.5°C). In the month of August, Mount Joy's average low-temperature falls to a comfortable 61.5°F (16.4°C).Heat index
The heat index value for August is evaluated at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. 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
In August, the average relative humidity is 78%.Rainfall
In Mount Joy, during August, the rain falls for 12.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 124.4 rainfall days, and 13.39" (340mm) of precipitation is accumulated.Snowfall
In Mount Joy, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August, sunrise is at 5:58 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:34 pm EDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mount Joy, NJ
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Mount Joy, NJ
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Mount Joy, NJ
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Mount Joy, NJ
- Average humidity in August: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in August
Mount Joy, NJ
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in August
Mount Joy, NJ
- Average rainfall days in August: 12.7 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in August
Mount Joy, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Mount Joy, 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
Mount Joy, 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 54min
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 36min).
Average sunshine days in August
Mount Joy, NJ
- Average sunshine days in August: 16.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in August
Mount Joy, NJ
- Average UV index in August: 5
The months with the highest UV index are June and July (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
Mount Joy, NJ
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in August
Mount Joy, NJ
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
