August weather forecast
Rose Valley, PA

englishespañol中文
Share

Weather in August

August, the last month of the summer in Rose Valley, is another warm month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 67.3°F (19.6°C).

Temperature

The arrival of August is marked by an average high-temperature of a still warm 83.5°F (28.6°C), bearing a close resemblance to July. In Rose Valley, the expected average low-temperature for August is a comfortable 67.3°F (19.6°C).

Heat index

For August, the heat index is estimated at a hot 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall in Rose Valley. Rain falls for 16.1 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

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

Daylight

In Rose Valley, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:14 pm. On the last day of August, in Rose Valley, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August in Rose Valley is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
[Resources]

Frequently asked questions

How hot is August in Rose Valley?

The average high-temperature and low-temperature in Rose Valley during August are 83.5°F (28.6°C) and 67.3°F (19.6°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 89.6°F (32°C).

What is the average humidity in August in Rose Valley?

In August, the average relative humidity is 73%.

What is the rainiest month in Rose Valley?

August is the month with the most rainfall in Rose Valley. Rain falls for 16.1 days and accumulates 3.11" (79mm) of precipitation.

How many days does it rain in August in Rose Valley?

In August, in Rose Valley, Pennsylvania, the rain falls for 16.1 days. Throughout August, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in Rose Valley?

June through October are months without snowfall.

How many hours of daylight does Rose Valley have in August?

The average day length in August in Rose Valley is 13h and 42min.

When is the sunrise / sunset in August in Rose Valley?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:14 pm. On the last day of the month, in Rose Valley, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

How many hours of sunshine does Rose Valley have in August?

In August, the average sunshine duration in Rose Valley is 10.3h.

What is the month with the highest UV index in Rose Valley?

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

How high is the UV index in August in Rose Valley?

In Rose Valley, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Rose Valley, PA

Average temperature in August - Rose Valley, PA
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

[Resources]

Average pressure in August
Rose Valley, PA

Average pressure in August - Rose 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).

[Resources]

Average wind speed in August
Rose Valley, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

[Resources]

Average humidity in August
Rose Valley, PA

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

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

[Resources]

Average rainfall in August
Rose Valley, PA

Average rainfall in August - Rose Valley, PA
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").

[Resources]

Average rainfall days in August
Rose Valley, PA

Average rainfall days in August - Rose Valley, PA
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).

[Resources]

Average snowfall in August
Rose Valley, PA

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

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Rose Valley, PA

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

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

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

Average daylight in August / Average sunshine in August - Rose 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 2min

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 54min).

[Resources]

Average sunshine days in August
Rose Valley, PA

Average sunshine days in August - Rose Valley, PA
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).

[Resources]

Average UV index in August
Rose Valley, PA

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

[Resources]

Average cloud cover in August
Rose Valley, PA

Average cloud cover in August - Rose Valley, PA
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

[Resources]

Average visibility in August
Rose Valley, PA

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

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

[Resources]

Rose Valley, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location