August weather forecastPerryville, MD
August
Weather in August
August, the last month of the summer in Perryville, is another warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 65.1°F (18.4°C).Temperature
The advent of August brings an average high-temperature of a still warm 82.8°F (28.2°C), almost identical to the preceding month. Throughout August, the average low-temperature records at an enjoyable 65.1°F (18.4°C).Heat index
The heat index in August is appraised at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Perryville, the average relative humidity in August is 78%.Rainfall
August is the month with the most rainfall. Rain falls for 14.9 days and accumulates 3.43" (87mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Perryville, Maryland, the average length of the day in August is 13h and 41min.On the first day of August, sunrise is at 6:04 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:36 pm EDT.
Sunshine
The average sunshine in August is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete 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
Perryville, MD
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in August: 65.1°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in August
Perryville, MD
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Perryville, MD
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Perryville, MD
- Average humidity in August: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Perryville, MD
- Average rainfall in August: 3.43"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in August
Perryville, MD
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in August
Perryville, MD
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Perryville, MD
- 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
Perryville, MD
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in August
Perryville, MD
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in August
Perryville, MD
- 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
Perryville, MD
- Average cloud cover in August: 32
The months with the most cloud cover are February, March and May (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Perryville, MD
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
