August weather forecast
Summerdale, PA

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Weather in August

August, the last month of the summer in Summerdale, is also a moderately hot month, with an average temperature ranging between min 61.9°F (16.6°C) and max 81.5°F (27.5°C).

Temperature

August's onset sees an average high-temperature of a still warm 81.5°F (27.5°C), exhibiting a slight fluctuation from the previous month. Summerdale's temperature tends to fall to an average low of 61.9°F (16.6°C) during the nights of August.

Heat index

The heat index for August is evaluated at a tropical 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Summerdale, Pennsylvania, the average relative humidity in August is 77%.

Rainfall

August is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

In Summerdale, snow does not fall in May through October.

Daylight

The average length of the day in August in Summerdale is 13h and 43min.
On the first day of August, sunrise is at 6:06 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:40 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In August, the average high-temperature and low-temperature are 81.5°F (27.5°C) and 61.9°F (16.6°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 12.3 days and typically aggregates up to 1.3" (33mm) of precipitation.

How many days does it rain in August?

In Summerdale, in August, during 12.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall in Summerdale.

How many hours of daylight does Summerdale have in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:40 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Summerdale, PA

Average temperature in August - Summerdale, PA
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in August
Summerdale, PA

Average pressure in August - Summerdale, 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
Summerdale, PA

Average wind speed in August - Summerdale, PA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in August
Summerdale, PA

Average humidity in August - Summerdale, PA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).

Average rainfall in August
Summerdale, PA

Average rainfall in August - Summerdale, PA
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").

Average rainfall days in August
Summerdale, PA

Average rainfall days in August - Summerdale, PA
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in August
Summerdale, PA

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

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Summerdale, PA

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

The month with the highest number of snowfall days is January (6.3 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
Summerdale, PA

Average daylight in August / Average sunshine in August - Summerdale, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in August
Summerdale, PA

Average sunshine days in August - Summerdale, PA
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).

Average UV index in August
Summerdale, PA

Average UV index in August - Summerdale, 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, March, November and December (UV index 2).

Average cloud cover in August
Summerdale, PA

Average cloud cover in August - Summerdale, PA
  • Average cloud cover in August: 32

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Summerdale, PA

Average visibility in August - Summerdale, 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).

Summerdale, Pennsylvania, USA

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