August weather forecastHarris Heights, MD
August
Weather in August
The last month of the summer, August, is another warm month in Harris Heights, Maryland, with an average temperature varying between 68.9°F (20.5°C) and 83.8°F (28.8°C).Temperature
A minor adjustment in Harris Heights's average high-temperature is noted with the start of August, touching a still moderately hot 83.8°F (28.8°C) from July's 85.5°F (29.7°C). The average temperature in Harris Heights drops to an agreeable 68.9°F (20.5°C) during the night in the month of August.Heat index
The heat index for August is evaluated at a tropical 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
The average relative humidity in August is 73%.Rainfall
The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
In Harris Heights, snow does not fall in April through October.Daylight
In Harris Heights, the average length of the day in August is 13h and 40min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:38 pm EDT.
Sunshine
In Harris Heights, the average sunshine in August is 10.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harris Heights, MD
- Average high temperature in August: 83.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 68.9°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in August
Harris Heights, MD
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Harris Heights, MD
- Average wind speed in August: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in August
Harris Heights, MD
- Average humidity in August: 73%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).
Average rainfall in August
Harris Heights, MD
- Average rainfall in August: 4.09"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in August
Harris Heights, MD
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).
Average snowfall in August
Harris Heights, MD
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Harris Heights, MD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Harris Heights, 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 30min).
- Average sunshine in August: 10h and 24min
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 6min).
Average sunshine days in August
Harris Heights, MD
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).
Average UV index in August
Harris Heights, 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, November and December (UV index 2).
Average cloud cover in August
Harris Heights, MD
- Average cloud cover in August: 31
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in August
Harris Heights, 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).
