August weather forecastSelby-on-the-Bay, MD
August
Weather in August
August sustains the warmth from the previous month, rendering Selby-on-the-Bay with continued hot summer days. Temperatures slightly decrease from the July peak, with highs resting at an average of 83.3°F (28.5°C). It's bountiful in sunshine and scant in wind gusts, making it excellent weather for water sports and other activities in the bay area. As summer draws closer to an end, residents maximize their outdoor enjoyment. It's an opportunity for locals and tourists alike to soak up the sun before the fall commences.Temperature
The average high-temperature during August is a still moderately hot 83.3°F (28.5°C), almost matching the conditions of the preceding month. During August, Selby-on-the-Bay experiences a consistent low-temperature average of 70.5°F (21.4°C).Heat index
The heat index value for August is evaluated at a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Heat index determinations are made taking into account the shade and light air movements. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The average relative humidity in August in Selby-on-the-Bay is 74%.Rainfall
The month with the most rainfall is August, when the rain falls for 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.Snowfall
April through October are months without snowfall.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 77.9°F (25.5°C).Note: For swimming, diving, or other water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) provide the most enjoyable experience for extended periods without discomfort.
Daylight
The average length of the day in August is 13h and 38min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, in Selby-on-the-Bay, sunrise is at 6:34 am and sunset at 7:37 pm EDT.
Sunshine
In Selby-on-the-Bay, the average sunshine in August is 10.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 6 suggests this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Selby-on-the-Bay, MD
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in August: 70.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in August
Selby-on-the-Bay, 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
Selby-on-the-Bay, MD
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Selby-on-the-Bay, MD
- Average humidity in August: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in August
Selby-on-the-Bay, MD
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
Selby-on-the-Bay, MD
- Average rainfall days in August: 14.3 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in August
Selby-on-the-Bay, MD
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Selby-on-the-Bay, MD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Selby-on-the-Bay, MD
- Average sea temperature in August: 78°F
The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).
Average daylight in August /
Average sunshine in August
Selby-on-the-Bay, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in August
Selby-on-the-Bay, MD
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in August
Selby-on-the-Bay, 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 and December (UV index 2).
Average cloud cover in August
Selby-on-the-Bay, MD
- Average cloud cover in August: 29
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Selby-on-the-Bay, 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).
