August weather forecast
Mortonville, PA

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Weather in August

The last month of the summer, August, is another warm month in Mortonville, Pennsylvania, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.2°F (17.9°C).

Temperature

Mortonville's shift into August is marked by a subtle change to a still warm 81.1°F (27.3°C) from July's 83.5°F (28.6°C) in temperature. An average temperature of 64.2°F (17.9°C) is recorded in Mortonville during the nights in August.

Heat index

The heat index value for August is estimated at a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In Mortonville, the average relative humidity in August is 79%.

Rainfall

August is the month with the most rainfall in Mortonville, Pennsylvania. Rain falls for 14.8 days and accumulates 2.72" (69mm) of precipitation.

Snowfall

In Mortonville, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 42min.
On the first day of August in Mortonville, Pennsylvania, sunrise is at 6:02 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

Sunshine

In Mortonville, the average sunshine in August is 9.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Mortonville in August?

In August, the average high-temperature and low-temperature in Mortonville, Pennsylvania, are 81.1°F (27.3°C) and 64.2°F (17.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in August in Mortonville?

The average relative humidity in August in Mortonville is 79%.

What is the wettest month in Mortonville?

The month with the most rainfall in Mortonville is August, when the rain falls for 14.8 days and typically aggregates up to 2.72" (69mm) of precipitation.

How much does it rain in Mortonville in August?

In Mortonville, in August, during 14.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When it does not snow in Mortonville?

June through September are months without snowfall in Mortonville, Pennsylvania.

What is the average length of the day in August in Mortonville?

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

When are sunrise and sunset in August in Mortonville?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 8:16 pm. On the last day of the month, in Mortonville, Pennsylvania, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

How long on average sun shines in August in Mortonville?

In August, the average sunshine duration in Mortonville is 9.8h.

What is the month with the highest UV index in Mortonville?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August in Mortonville?

The average daily maximum UV index in August in Mortonville is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Mortonville, PA

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in August
Mortonville, PA

Average pressure in August - Mortonville, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Mortonville, PA

Average wind speed in August - Mortonville, PA
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Mortonville, PA

Average humidity in August - Mortonville, PA
  • Average humidity in August: 79%

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

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Average rainfall in August
Mortonville, PA

Average rainfall in August - Mortonville, PA
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in August
Mortonville, PA

Average rainfall days in August - Mortonville, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

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Average snowfall in August
Mortonville, PA

Average snowfall in August - Mortonville, 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 and September (0").

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Average snowfall days in August
Mortonville, PA

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

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Mortonville, 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: 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 30min).

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Average sunshine days in August
Mortonville, PA

Average sunshine days in August - Mortonville, PA
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in August
Mortonville, PA

Average UV index in August - Mortonville, 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).

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Average cloud cover in August
Mortonville, PA

Average cloud cover in August - Mortonville, 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 33).

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Average visibility in August
Mortonville, PA

Average visibility in August - Mortonville, 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).

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Mortonville, Pennsylvania, USA

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