August weather forecastMarietta, PA
August
Weather in August
August, the last month of the summer in Marietta, is another warm month, with an average temperature ranging between min 62.2°F (16.8°C) and max 81.1°F (27.3°C).Temperature
The transition into August marks the average high-temperature at a still moderately hot 81.1°F (27.3°C), differing minimally from July's 82.9°F (28.3°C). Nighttime temperature experiences an average drop to an enjoyable 62.2°F (16.8°C) in August.Heat index
The heat index value during August is computed to be a hot 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 especially crucial for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in August is 79%.Rainfall
August is the month with the most rainfall. Rain falls for 13 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:05 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:38 pm EDT.
Sunshine
In Marietta, Pennsylvania, the average sunshine in August is 10h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 in August translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marietta, PA
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in August
Marietta, PA
- Average pressure in August: 30"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
Marietta, PA
- Average wind speed in August: 5.1mph
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 (5.1mph).
Average humidity in August
Marietta, PA
- Average humidity in August: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in August
Marietta, PA
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Marietta, PA
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in August
Marietta, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Marietta, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.5 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
Marietta, PA
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Marietta, PA
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in August
Marietta, PA
- Average UV index in August: 5
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Marietta, PA
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Marietta, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
