August weather forecastNorth Bethesda, MD
August
Weather in August
August, the last month of the summer in North Bethesda, is also a moderately hot month, with an average temperature varying between 67.5°F (19.7°C) and 85.3°F (29.6°C).Temperature
As North Bethesda transitions from July to August, the average high-temperatures adjust to a warm 85.3°F (29.6°C), nearly the same as the previous 87.1°F (30.6°C). The nighttime temperature, during August, averages of 67.5°F (19.7°C).Heat index
For most parts of August, the heat index is estimated at a torrid 95°F (35°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
The average relative humidity in August is 72%.Rainfall
August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.9" (99mm) of precipitation.Snowfall
In North Bethesda, snow does not fall in May through October.Daylight
In August, the average length of the day in North Bethesda is 13h and 39min.On the first day of August, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:40 pm EDT.
Sunshine
In August, the average sunshine is 10.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in North Bethesda, Maryland. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
North Bethesda, MD
- Average high temperature in August: 85.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in August: 67.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in August
North Bethesda, 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 (29.95"Hg).
Average wind speed in August
North Bethesda, MD
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
North Bethesda, MD
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
North Bethesda, MD
- Average rainfall in August: 3.9"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in August
North Bethesda, MD
- Average rainfall days in August: 15.9 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in August
North Bethesda, MD
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
North Bethesda, MD
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
North Bethesda, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in August
North Bethesda, MD
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
North Bethesda, 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
North Bethesda, MD
- Average cloud cover in August: 32
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
North Bethesda, MD
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
