August weather forecast
Bellevue, PA

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Weather in August

August, the last month of the summer in Bellevue, is another warm month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 61.3°F (16.3°C).

Temperature

The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 82.2°F (27.9°C) from July's 84°F (28.9°C). The average nighttime temperature lowers to a refreshing 61.3°F (16.3°C) throughout August.

Heat index

August's average heat index is calculated to be a hot 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
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. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The months with the lowest humidity in Bellevue are July and August, with an average relative humidity of 73%.

Rainfall

In Bellevue, in August, during 16 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Bellevue is 13h and 44min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year.

UV index

In Bellevue, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The average high-temperature and low-temperature during August are 82.2°F (27.9°C) and 61.3°F (16.3°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What are the least humid months?

July and August, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in August?

In Bellevue, Pennsylvania, the average relative humidity in August is 73%.

How many days does it rain in August?

In August, the rain falls for 16 days. Throughout August, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

How many hours of sunshine does Bellevue have in August?

In August, the average sunshine duration is 10.1h.

What is the UV index intensity in August?

In Bellevue, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Bellevue, PA

Average temperature in August - Bellevue, PA
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August
Bellevue, PA

Average pressure in August - Bellevue, 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
Bellevue, PA

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in August
Bellevue, PA

Average humidity in August - Bellevue, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in August
Bellevue, PA

Average rainfall in August - Bellevue, PA
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in August
Bellevue, PA

Average rainfall days in August - Bellevue, PA
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in August
Bellevue, PA

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Bellevue, PA

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

The month with the highest number of snowfall days is January (14.4 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
Bellevue, PA

Average daylight in August / Average sunshine in August - Bellevue, 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 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in August
Bellevue, PA

Average sunshine days in August - Bellevue, PA
  • Average sunshine days in August: 13.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in August
Bellevue, PA

Average UV index in August - Bellevue, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Bellevue, PA

Average cloud cover in August - Bellevue, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Bellevue, PA

Average visibility in August - Bellevue, 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).

Bellevue, Pennsylvania, USA

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