August weather forecast
Longwood, PA

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Weather in August

August, the last month of the summer in Longwood, is another warm month, with an average temperature ranging between max 82.4°F (28°C) and min 65.7°F (18.7°C).

Temperature

The unfolding of August shows an average high-temperature of a still moderately hot 82.4°F (28°C), indicating a slight variance from July's 84.7°F (29.3°C). Nighttime temperature experiences an average drop to a comfortable 65.7°F (18.7°C) in August.

Heat index

For most parts of August, the heat index is computed to be a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 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 average relative humidity in August is 76%.

Rainfall

The month with the most rainfall is August, when the rain falls for 14.8 days and typically aggregates up to 2.36" (60mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Longwood, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

Sunshine

In Longwood, the average sunshine in August is 10.1h.

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 ordinary person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Longwood, 82.4°F (28°C) is the average high-temperature and 65.7°F (18.7°C) is the average low-temperature during August. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.36" (60mm) of precipitation.

How many days does it rain in August?

In Longwood, in August, it is raining for 14.8 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:02 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

How many hours of sunshine does Longwood have in August?

The average sunshine duration in August is 10.1h.

What are the months with the highest UV index?

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?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Longwood, PA

Average temperature in August - Longwood, PA
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in August
Longwood, PA

Average pressure in August - Longwood, 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).

Average wind speed in August
Longwood, PA

Average wind speed in August - Longwood, PA
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in August
Longwood, PA

Average humidity in August - Longwood, PA
  • Average humidity in August: 76%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall in August
Longwood, PA

Average rainfall in August - Longwood, PA
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in August
Longwood, PA

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

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in August
Longwood, PA

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

The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Longwood, PA

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

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Longwood, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Longwood, PA

Average sunshine days in August - Longwood, PA
  • Average sunshine days in August: 13.1 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in August
Longwood, PA

Average UV index in August - Longwood, 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
Longwood, PA

Average cloud cover in August - Longwood, PA
  • Average cloud cover in August: 33

The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Longwood, PA

Average visibility in August - Longwood, 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).

Longwood, Pennsylvania, USA

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