August weather forecastAllentown, NJ
August
Weather in August
August, the last month of the summer in Allentown, is also a moderately hot month, with an average temperature varying between 82.6°F (28.1°C) and 66.2°F (19°C).Temperature
On the advent of August, Allentown's average high-temperature exhibits a minor adjustment to a still moderately hot 82.6°F (28.1°C) from July's 84.4°F (29.1°C). Allentown in August experiences a low-temperature average of 66.2°F (19°C).Heat index
In August, the heat index is evaluated at a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in August is 76%.Rainfall
In Allentown, in August, during 15.6 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 152.9 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 43min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:31 pm EDT.
Sunshine
In Allentown, the average sunshine in August is 10.2h.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 health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Allentown, NJ
- Average high temperature in August: 82.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 66.2°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 (25°F).
Average pressure in August
Allentown, 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
Allentown, NJ
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Allentown, NJ
- Average humidity in August: 76%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Allentown, NJ
- Average rainfall in August: 3.15"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in August
Allentown, NJ
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Allentown, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Allentown, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.3 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
Allentown, 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 24min).
- Average sunshine in August: 10h and 12min
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 48min).
Average sunshine days in August
Allentown, NJ
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in August
Allentown, 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, November and December (UV index 2).
Average cloud cover in August
Allentown, NJ
- Average cloud cover in August: 33
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Allentown, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
