August weather forecast
Sunnybrook, PA

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Weather in August

August, the last month of the summer in Sunnybrook, is also a moderately hot month, with an average temperature varying between 66.7°F (19.3°C) and 83.3°F (28.5°C).

Temperature

The average high-temperature for August is a warm 83.3°F (28.5°C), closely aligning with the temperature of the preceding month. August sees the temperature falling to a mean low of 66.7°F (19.3°C).

Heat index

For August, the heat index is appraised at a hot 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 remain especially vital for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

Rainfall

August is the month with the most rainfall in Sunnybrook. Rain falls for 12.7 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

Sunshine

In August, the average sunshine 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 13, 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 during August is 83.3°F (28.5°C) and the low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What are the least humid months?

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

What is the average humidity in August?

In August, the average relative humidity is 72%.

What is the rainiest month?

The month with the most rainfall in Sunnybrook is August, when the rain falls for 12.7 days and typically aggregates up to 1.54" (39mm) of precipitation.

How many days does it rain in August in Sunnybrook?

In Sunnybrook, in August, during 12.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

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

When are sunrise and sunset in August in Sunnybrook?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Sunnybrook have in August?

In Sunnybrook, the average sunshine duration in August is 10.2h.

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.

What is the UV index intensity in August?

In Sunnybrook, the average daily maximum UV index in August is 6. A UV Index 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
Sunnybrook, PA

Average temperature in August - Sunnybrook, PA
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in August
Sunnybrook, PA

Average pressure in August - Sunnybrook, 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
Sunnybrook, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Sunnybrook, PA

Average humidity in August - Sunnybrook, PA
  • Average humidity in August: 72%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in August
Sunnybrook, PA

Average rainfall in August - Sunnybrook, PA
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in August
Sunnybrook, PA

Average rainfall days in August - Sunnybrook, PA
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in August
Sunnybrook, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Sunnybrook, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Sunnybrook, PA

Average daylight in August / Average sunshine in August - Sunnybrook, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Sunnybrook, PA

Average sunshine days in August - Sunnybrook, PA
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in August
Sunnybrook, PA

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

Average cloud cover in August
Sunnybrook, PA

Average cloud cover in August - Sunnybrook, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Sunnybrook, PA

Average visibility in August - Sunnybrook, 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).

Sunnybrook, Pennsylvania, USA

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