August weather forecast
Wallingford, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Wallingford, Pennsylvania, 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

Wallingford's August average high-temperature settles at a still moderately hot 83.5°F (28.6°C), showing a near match with the preceding month. The mean low-temperature during August nights is a comfortable 67.3°F (19.6°C).

Heat index

In August, the average heat index is appraised at a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In August, the average relative humidity 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

In Wallingford, snow does not fall in June through October.

Daylight

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 7:33 pm EDT.

Sunshine

In Wallingford, the average sunshine in August 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 of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August leads to these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

An average high-temperature, in August, in Wallingford, is 83.5°F (28.6°C) and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 89.6°F (32°C).

What is the average humidity in August?

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 many days does it rain in August?

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

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 42min.

When is the sunrise / sunset in August?

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, sunrise is at 6:29 am and sunset at 7:33 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August in Wallingford 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?

In Wallingford, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents 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
Wallingford, PA

Average temperature in August - Wallingford, 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
Wallingford, PA

Average pressure in August - Wallingford, 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
Wallingford, PA

Average wind speed in August - Wallingford, 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
Wallingford, PA

Average humidity in August - Wallingford, 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
Wallingford, PA

Average rainfall in August - Wallingford, 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
Wallingford, PA

Average rainfall days in August - Wallingford, 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
Wallingford, PA

Average snowfall in August - Wallingford, 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
Wallingford, PA

Average snowfall days in August - Wallingford, 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
Wallingford, PA

Average daylight in August / Average sunshine in August - Wallingford, 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
Wallingford, PA

Average sunshine days in August - Wallingford, 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
Wallingford, PA

Average UV index in August - Wallingford, 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
Wallingford, PA

Average cloud cover in August - Wallingford, 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
Wallingford, PA

Average visibility in August - Wallingford, 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).

Wallingford, Pennsylvania, USA

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