August weather forecastPortland, PA
August
Weather in August
The last month of the summer, August, is another warm month in Portland, Pennsylvania, with an average temperature varying between 59.7°F (15.4°C) and 80.1°F (26.7°C).Temperature
As Portland welcomes August, the average high-temperature stabilizes at a still moderately hot 80.1°F (26.7°C), showing little deviation from July's 82.4°F (28°C). An average low-temperature of 59.7°F (15.4°C) marks the month of August in Portland.Humidity
The average relative humidity in August is 78%.Rainfall
In Portland, in August, it is raining for 14.1 days, with typically 2.17" (55mm) of accumulated precipitation. In Portland, during the entire year, the rain falls for 135.7 days and collects up to 23.74" (603mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Portland is 13h and 46min.On the first day of August, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:34 pm EDT.
Sunshine
In Portland, the average sunshine in August is 9.6h.UV index
In Portland, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Portland, PA
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in August: 59.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Portland, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Portland, PA
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Portland, PA
- Average humidity in August: 78%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Portland, PA
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in August
Portland, PA
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in August
Portland, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portland, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portland, PA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Portland, PA
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in August
Portland, PA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Portland, PA
- Average cloud cover in August: 38
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in August
Portland, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
