Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The onset of August marks an average high-temperature of a still warm 77.5°F (25.3°C), hardly differing from July's 80.4°F (26.9°C). A sharp contrast between day and night is prevalent in August with an average nighttime temperature of 55.9°F (13.3°C).Humidity
In Harkness, the average relative humidity in August is 79%.Rainfall
In Harkness, in August, during 15.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Harkness, during the entire year, the rain falls for 164.7 days and collects up to 24.09" (612mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Harkness, the average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 6:01 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:41 pm EDT.
Sunshine
In August, the average sunshine in Harkness is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Harkness. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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
What is the usual temperature for Harkness in August?
What is the average humidity in August in Harkness?
How much does it rain in Harkness in August?
When it does not snow in Harkness?
What is the average length of the day in August in Harkness?
When is the sunrise / sunset in August in Harkness?
How many hours of sunshine does Harkness have in August?
When is the highest UV index in Harkness?
How high is the UV index in August in Harkness?
Average temperature in August
Harkness, PA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in August
Harkness, PA
- Average pressure in August: 30"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
Harkness, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Harkness, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in August
Harkness, PA
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in August
Harkness, PA
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in August
Harkness, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harkness, 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
Harkness, PA
- Average daylight in August: 13h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in August
Harkness, PA
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in August
Harkness, 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
Harkness, PA
- Average cloud cover in August: 39
The months with the most cloud cover are January, February and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in August
Harkness, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Harkness, Pennsylvania, USA
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