August weather forecastChester, MD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Chester, Maryland, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 69.6°F (20.9°C).Temperature
The commencement of August records an average high-temperature of a still warm 82.6°F (28.1°C), barely varying from July's 84.4°F (29.1°C). Chester encounters an average low-temperature of 69.6°F (20.9°C) during August nights.Heat index
The heat index in August is calculated to be a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Chester, in August, it is raining for 14 days, with typically 3.19" (81mm) of accumulated precipitation. In Chester, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.Snowfall
In Chester, snow does not fall in May through October.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 77.7°F (25.4°C).Note: For any water activity, temperatures between 77°F (25°C) and 84.2°F (29°C) are deemed excellent and extremely satisfying for enduring periods.
Daylight
The average length of the day in August is 13h and 38min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:36 pm EDT.
Sunshine
In August, the average sunshine is 10.5h.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 rays for average individuals.Note: The UV index of 6 during August translates into the following guidance:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chester, MD
- 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 (40.1°F).
- Average low temperature in August: 69.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in August
Chester, 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
Chester, MD
- Average wind speed in August: 6.6mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Chester, MD
- Average humidity in August: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in August
Chester, MD
- Average rainfall in August: 3.19"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Chester, MD
- Average rainfall days in August: 14 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in August
Chester, MD
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Chester, MD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Chester, MD
- Average sea temperature in August: 77.8°F
The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).
Average daylight in August /
Average sunshine in August
Chester, MD
- Average daylight in August: 13h and 36min
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 30min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in August
Chester, MD
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in August
Chester, 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 and December (UV index 2).
Average cloud cover in August
Chester, MD
- Average cloud cover in August: 29
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Chester, MD
- 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).
