August weather forecast
Grundys Corner, PA

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Weather in August

August, the last month of the summer in Grundys Corner, is also a moderately hot month, with an average temperature fluctuating between 66.7°F (19.3°C) and 83.1°F (28.4°C).

Temperature

In August, the average high-temperature registers at a still warm 83.1°F (28.4°C), nearly identical to July's 85.5°F (29.7°C). Nighttime temperature dips to a mean of 66.7°F (19.3°C) during August.

Heat index

For August, the heat index is evaluated at a hot 89.6°F (32°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In Grundys Corner, in August, during 16 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Grundys Corner, during the entire year, the rain falls for 154.4 days and collects up to 31.38" (797mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

In Grundys Corner, the average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Grundys Corner, records 83.1°F (28.4°C), while the low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In Grundys Corner, in August, it is raining for 16 days, with typically 3.5" (89mm) of accumulated precipitation.

When it does not snow in Grundys Corner?

June through October are months without snowfall.

What is the average length of the day in August in Grundys Corner?

The average day length in August is 13h and 43min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:58 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

How long on average sun shines in August in Grundys Corner?

In August, the average sunshine duration is 10.2h.

When is the highest UV index?

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

How high is the UV index in August?

In Grundys Corner, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Grundys Corner, PA

Average temperature in August - Grundys Corner, PA
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Grundys Corner, PA

Average pressure in August - Grundys Corner, PA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Grundys Corner, PA

Average wind speed in August - Grundys Corner, PA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Grundys Corner, PA

Average humidity in August - Grundys Corner, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Grundys Corner, PA

Average rainfall in August - Grundys Corner, PA
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in August
Grundys Corner, PA

Average rainfall days in August - Grundys Corner, PA
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in August
Grundys Corner, PA

Average snowfall in August - Grundys Corner, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Grundys Corner, PA

Average snowfall days in August - Grundys Corner, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Grundys Corner, PA

Average daylight in August / Average sunshine in August - Grundys Corner, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Grundys Corner, PA

Average sunshine days in August - Grundys Corner, PA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in August
Grundys Corner, PA

Average UV index in August - Grundys Corner, 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, November and December (UV index 2).

Average cloud cover in August
Grundys Corner, PA

Average cloud cover in August - Grundys Corner, PA
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Grundys Corner, PA

Average visibility in August - Grundys Corner, PA
  • Average visibility in August: 6mi

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

Grundys Corner, Pennsylvania, USA

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