August weather forecastDunbar, PA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Dunbar, Pennsylvania, with an average temperature ranging between max 80.4°F (26.9°C) and min 58.3°F (14.6°C).Temperature
The introduction of August notes a subtle temperature variation to a still moderately hot 80.4°F (26.9°C) from July's 82°F (27.8°C). Dunbar experiences a significant reduction from daytime highs with an average low-temperature of 58.3°F (14.6°C) in August.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 77%.Rainfall
In Dunbar, during August, the rain falls for 13.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Dunbar, during the entire year, the rain falls for 150.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
In Dunbar, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:46 am and sunset at 7:51 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are July and 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 the average person.Note: In August, the maximum UV index of 6 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dunbar, PA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in August
Dunbar, PA
- Average pressure in August: 30"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
Dunbar, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Dunbar, PA
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in August
Dunbar, PA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").
Average rainfall days in August
Dunbar, PA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in August
Dunbar, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Dunbar, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Dunbar, 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: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Dunbar, PA
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in August
Dunbar, PA
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Dunbar, PA
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in August
Dunbar, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).





