August weather forecast
Rose Valley, PA

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Weather in August

August, the last month of the summer in Rose Valley, is also a moderately hot 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

Rose Valley sees the arrival of August with an average high-temperature of a still warm 83.5°F (28.6°C), indicating a subtle variation from July. Rose Valley in August anticipates an average nighttime temperature of 67.3°F (19.6°C).

Heat index

The heat index for August is computed to be a tropical 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

The month with the most rainfall is August, when the rain falls for 16.1 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

June through October are months without snowfall in Rose Valley.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index 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 the ordinary person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

How hot is it in Rose Valley in August?

The average high-temperature and low-temperature 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 takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in August?

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

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 16.1 days and typically aggregates up to 3.11" (79mm) of precipitation.

How much does it rain in August?

In Rose Valley, in August, it is raining for 16.1 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August?

In Rose Valley, the average day length in August 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 long on average sun shines in August?

The average sunshine duration in August is 10.3h.

What is the month with the highest UV index?

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?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Rose Valley, Pennsylvania, USA

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