August weather forecastHarford, PA
August
Weather in August
August, the last month of the summer in Harford, is also a moderately hot month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.4°F (25.2°C).Temperature
August brings an average high-temperature of a still moderately hot 77.4°F (25.2°C), nearly identical to the preceding month. Harford's average low-temperature during August nights is observed to be a moderate 55.9°F (13.3°C).Humidity
The average relative humidity in August is 80%.Rainfall
The month with the most rainfall is August, when the rain falls for 16.7 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
In Harford, Pennsylvania, snow does not fall in June through September.Daylight
In Harford, the average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 5:57 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:37 pm EDT.
Sunshine
The average sunshine in August is 9.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during August translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harford, PA
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Harford, 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
Harford, PA
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Harford, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in August
Harford, PA
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in August
Harford, PA
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in August
Harford, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harford, PA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harford, PA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in August
Harford, PA
- Average sunshine days in August: 12 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in August
Harford, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Harford, PA
- Average cloud cover in August: 40
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in August
Harford, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





