August weather forecast
Walston, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Walston, Pennsylvania, with an average temperature varying between 57°F (13.9°C) and 79.2°F (26.2°C).

Temperature

Walston marks the onset of August with an average high-temperature of a still warm 79.2°F (26.2°C), subtly divergent from July's 81°F (27.2°C). Walston anticipates a considerable daily temperature fluctuation in August, with low temperatures averaging a moderate 57°F (13.9°C).

Humidity

The months with the lowest humidity are June through August, with an average relative humidity of 78%.

Rainfall

In Walston, during August, the rain falls for 14.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Walston, during the entire year, the rain falls for 151.9 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:49 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.6h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

During August, Walston experiences an average high-temperature of 79.2°F (26.2°C) and a low-temperature of 57°F (13.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 86°F (30°C).

What are the least humid months?

The months with the lowest humidity are June through August, with an average relative humidity of 78%.

What is the average humidity in August in Walston?

In Walston, the average relative humidity in August is 78%.

How much does it rain in August?

In Walston, during August, the rain falls for 14.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Walston have in August?

In August, the average day length is 13h and 46min.

When is the sunrise / sunset in August in Walston?

On the first day of August, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:49 pm EDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.6h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 9.6h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Walston, PA

Average temperature in August - Walston, PA
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in August: 57°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in August
Walston, PA

Average pressure in August - Walston, 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 (29.95"Hg).

Average wind speed in August
Walston, PA

Average wind speed in August - Walston, PA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Walston, PA

Average humidity in August - Walston, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in August
Walston, PA

Average rainfall in August - Walston, PA
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in August
Walston, PA

Average rainfall days in August - Walston, PA
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in August
Walston, PA

Average snowfall in August - Walston, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Walston, PA

Average snowfall days in August - Walston, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Walston, PA

Average daylight in August / Average sunshine in August - Walston, PA
  • Average daylight in August: 13h and 5min

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 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in August
Walston, PA

Average sunshine days in August - Walston, PA
  • Average sunshine days in August: 14.6 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in August
Walston, PA

Average UV index in August - Walston, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Walston, PA

Average cloud cover in August - Walston, PA
  • Average cloud cover in August: 39

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in August
Walston, PA

Average visibility in August - Walston, PA
  • Average visibility in August: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Walston, Pennsylvania, USA

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