August weather forecast
Gwynedd Valley, PA

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Weather in August

The last month of the summer, August, is another warm month in Gwynedd Valley, Pennsylvania, with an average temperature ranging between min 65.3°F (18.5°C) and max 82.8°F (28.2°C).

Temperature

As Gwynedd Valley steps into August, the average high-temperature holds at a still moderately hot 82.8°F (28.2°C), hinting at a minor fluctuation from the prior month. August nights in Gwynedd Valley experience a consistent temperature drop to a refreshing 65.3°F (18.5°C).

Heat index

In August, the heat index is appraised at a hot 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

April, July and August, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Gwynedd Valley, during August, the rain falls for 12.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

In Gwynedd Valley, snow does not fall in June through October.

Daylight

The average length of the day in August in Gwynedd Valley is 13h and 43min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The months with the highest UV index in Gwynedd Valley are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 during August leads to these advisories:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

Is it hot in Gwynedd Valley during August?

The high-temperature, in August, in Gwynedd Valley, records 82.8°F (28.2°C), while the low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 87.8°F (31°C).

What are the least humid months in Gwynedd Valley?

The months with the lowest humidity are April, July and August, with an average relative humidity of 73%.

What is the average humidity in August in Gwynedd Valley?

In August, the average relative humidity in Gwynedd Valley, Pennsylvania, is 73%.

How much does it rain in Gwynedd Valley in August?

In Gwynedd Valley, Pennsylvania, in August, it is raining for 12.4 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Gwynedd Valley?

In Gwynedd Valley, snow does not fall in June through October.

What is the average length of the day in August in Gwynedd Valley?

In Gwynedd Valley, the average day length in August is 13h and 43min.

When are sunrise and sunset in August in Gwynedd Valley?

On the first day of August in Gwynedd Valley, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

How long on average sun shines in August in Gwynedd Valley?

In August, the average sunshine duration in Gwynedd Valley is 10.1h.

What are the months with the highest UV index in Gwynedd Valley?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August in Gwynedd Valley?

In Gwynedd Valley, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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
Gwynedd Valley, PA

Average temperature in August - Gwynedd Valley, PA
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 65.3°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in August
Gwynedd Valley, PA

Average pressure in August - Gwynedd Valley, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Gwynedd Valley, PA

Average wind speed in August - Gwynedd Valley, PA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Gwynedd Valley, PA

Average humidity in August - Gwynedd Valley, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

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Average rainfall in August
Gwynedd Valley, PA

Average rainfall in August - Gwynedd Valley, PA
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

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Average rainfall days in August
Gwynedd Valley, PA

Average rainfall days in August - Gwynedd Valley, PA
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

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Average snowfall in August
Gwynedd Valley, PA

Average snowfall in August - Gwynedd Valley, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Gwynedd Valley, PA

Average snowfall days in August - Gwynedd Valley, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Gwynedd Valley, PA

Average daylight in August / Average sunshine in August - Gwynedd Valley, PA
  • Average daylight in August: 13h and 4min

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: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Gwynedd Valley, PA

Average sunshine days in August - Gwynedd Valley, PA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in August
Gwynedd Valley, PA

Average UV index in August - Gwynedd Valley, PA
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Gwynedd Valley, PA

Average cloud cover in August - Gwynedd Valley, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Gwynedd Valley, PA

Average visibility in August - Gwynedd Valley, PA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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Gwynedd Valley, Pennsylvania, USA

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