August weather forecast
Clay Hill, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Clay Hill, Pennsylvania, with an average temperature fluctuating between 61.5°F (16.4°C) and 81.9°F (27.7°C).

Temperature

August's arrival registers an average high-temperature of a still warm 81.9°F (27.7°C), closely aligning with the temperature of the previous month. Clay Hill reports a consistent average low-temperature of 61.5°F (16.4°C) throughout August nights.

Heat index

The heat index for August is estimated at a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In August, the average relative humidity in Clay Hill is 77%.

Rainfall

In Clay Hill, in August, it is raining for 16.8 days, with typically 2.76" (70mm) of accumulated precipitation. In Clay Hill, during the entire year, the rain falls for 161.8 days and collects up to 28.07" (713mm) of precipitation.

Snowfall

In Clay Hill, snow does not fall in May through September.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:43 pm EDT.

Sunshine

In Clay Hill, the average sunshine in August is 10.2h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in August transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In Clay Hill, in August, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 61.5°F (16.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is estimated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How much does it rain in August?

In Clay Hill, in August, during 16.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow?

In Clay Hill, snow does not fall in May through September.

How many hours of daylight does Clay Hill have in August?

In Clay Hill, the average day length in August is 13h and 41min.

When are sunrise and sunset in August in Clay Hill?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:43 pm EDT.

How many hours of sunshine does Clay Hill have in August?

The average sunshine duration in August is 10.2h.

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average max. wind speed
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
Clay Hill, PA

Average temperature in August - Clay Hill, PA
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in August
Clay Hill, PA

Average pressure in August - Clay Hill, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Clay Hill, PA

Average wind speed in August - Clay Hill, PA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in August
Clay Hill, PA

Average humidity in August - Clay Hill, PA
  • Average humidity in August: 77%

The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in August
Clay Hill, PA

Average rainfall in August - Clay Hill, PA
  • Average rainfall in August: 2.76"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in August
Clay Hill, PA

Average rainfall days in August - Clay Hill, PA
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).

Average snowfall in August
Clay Hill, PA

Average snowfall in August - Clay Hill, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Clay Hill, PA

Average snowfall days in August - Clay Hill, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Clay Hill, PA

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Clay Hill, PA

Average sunshine days in August - Clay Hill, PA
  • Average sunshine days in August: 12.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in August
Clay Hill, PA

Average UV index in August - Clay Hill, PA
  • Average UV index in August: 5

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

Average cloud cover in August
Clay Hill, PA

Average cloud cover in August - Clay Hill, PA
  • Average cloud cover in August: 34

The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Clay Hill, PA

Average visibility in August - Clay Hill, PA
  • Average visibility in August: 6mi

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

Clay Hill, Pennsylvania, USA

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