August weather forecast
Durham, PA

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Weather in August

The last month of the summer, August, is another warm month in Durham, Pennsylvania, with an average temperature fluctuating between 81.1°F (27.3°C) and 61.5°F (16.4°C).

Temperature

Durham's entry into August measures an average high-temperature of a still warm 81.1°F (27.3°C), closely parallel to the preceding month. August nights are marked by an average temperature drop to an enjoyable 61.5°F (16.4°C).

Heat index

The average heat index in August is calculated to be a hot 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Durham, during August, the rain falls for 12.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Durham, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Durham, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

In Durham, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

An average high-temperature, in August, in Durham, is 81.1°F (27.3°C) and the average low-temperature is 61.5°F (16.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August in Durham is 78%.

How much does it rain in August?

In Durham, Pennsylvania, in August, it is raining for 12.7 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow?

In Durham, snow does not fall in May through October.

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:58 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:34 pm EDT.

How many hours of sunshine does Durham have in August?

The average sunshine duration in August is 9.9h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Durham, PA

Average temperature in August - Durham, PA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Durham, PA

Average pressure in August - Durham, 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
Durham, PA

Average wind speed in August - Durham, PA
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Durham, PA

Average humidity in August - Durham, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in August
Durham, PA

Average rainfall in August - Durham, PA
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in August
Durham, PA

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

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in August
Durham, PA

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Durham, PA

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

The month with the highest number of snowfall days is February (6.8 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
Durham, PA

Average daylight in August / Average sunshine in August - Durham, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Durham, PA

Average sunshine days in August - Durham, PA
  • Average sunshine days in August: 16.2 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

Average UV index in August
Durham, PA

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

The months with the highest UV index are June and July (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
Durham, PA

Average cloud cover in August - Durham, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in August
Durham, PA

Average visibility in August - Durham, PA
  • Average visibility in August: 5mi

The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).

Durham, Pennsylvania, USA

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