August weather forecast
Morrisville, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Morrisville, Pennsylvania, with an average temperature varying between 82.9°F (28.3°C) and 66.4°F (19.1°C).

Temperature

August reports an average high-temperature of a still moderately hot 82.9°F (28.3°C), slightly varied from July's 85.1°F (29.5°C). An average minimum temperature of 66.4°F (19.1°C) is recorded in Morrisville, Pennsylvania, during the month of August.

Heat index

In August, the average heat index is calculated to be a hot 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 are particularly relevant to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In Morrisville, the average relative humidity in August is 74%.

Rainfall

In Morrisville, in August, it is raining for 15.9 days, with typically 3.5" (89mm) of accumulated precipitation. In Morrisville, Pennsylvania, during the entire year, the rain falls for 156.8 days and collects up to 31.81" (808mm) of precipitation.

Snowfall

June through September are months without snowfall in Morrisville.

Daylight

The average length of the day in August in Morrisville, Pennsylvania, is 13h and 43min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:32 pm EDT.

Sunshine

In Morrisville, the average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Morrisville, Pennsylvania. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

How hot is it in Morrisville in August?

The high-temperature, in August, in Morrisville, records 82.9°F (28.3°C), while the low-temperature is 66.4°F (19.1°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Morrisville?

In August, the average relative humidity in Morrisville, Pennsylvania, is 74%.

How many days does it rain in August in Morrisville?

In Morrisville, Pennsylvania, during August, the rain falls for 15.9 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow in Morrisville?

In Morrisville, Pennsylvania, snow does not fall in June through September.

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

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

When is the sunrise / sunset in August in Morrisville?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:13 pm. On the last day of the month, in Morrisville, Pennsylvania, sunrise is at 6:26 am and sunset at 7:32 pm EDT.

How long on average sun shines in August in Morrisville?

The average sunshine duration in August in Morrisville, Pennsylvania, is 10.2h.

When is the highest UV index in Morrisville?

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

What is the UV index reading in August in Morrisville?

In August, the average daily maximum UV index 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
Morrisville, PA

Average temperature in August - Morrisville, PA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 66.4°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in August
Morrisville, PA

Average pressure in August - Morrisville, PA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Morrisville, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Morrisville, PA

Average humidity in August - Morrisville, PA
  • Average humidity in August: 74%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Morrisville, PA

Average rainfall in August - Morrisville, PA
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in August
Morrisville, PA

Average rainfall days in August - Morrisville, PA
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in August
Morrisville, PA

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

The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Morrisville, PA

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

The month with the highest number of snowfall days is January (4.8 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
Morrisville, PA

Average daylight in August / Average sunshine in August - Morrisville, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Morrisville, PA

Average sunshine days in August - Morrisville, PA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in August
Morrisville, PA

Average UV index in August - Morrisville, 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
Morrisville, PA

Average cloud cover in August - Morrisville, PA
  • Average cloud cover in August: 32

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in August
Morrisville, PA

Average visibility in August - Morrisville, PA
  • Average visibility in August: 6mi

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

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Morrisville, Pennsylvania, USA

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