August weather forecast
Lewistown, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Lewistown, Pennsylvania, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 58.5°F (14.7°C).

Temperature

Transitioning into August, Lewistown experiences an average high-temperature of a still moderately hot 81.1°F (27.3°C), marking a minor shift from the preceding month. Lewistown's daily high temperature significantly diverges from the consistently recorded temperature low averaging a moderate 58.5°F (14.7°C) in August.

Heat index

In August, the heat index is appraised at a tropical 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in August is 77%.

Rainfall

In Lewistown, during August, the rain falls for 17 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 162 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of August in Lewistown, sunrise is at 6:08 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:43 pm EDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What is the average August temperature?

August temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 58.5°F (14.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 86°F (30°C).

What is the average humidity in August?

In Lewistown, the average relative humidity in August is 77%.

How many days does it rain in August?

In Lewistown, in August, it is raining for 17 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Lewistown have in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:08 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:43 pm EDT.

How many hours of sunshine does Lewistown have in August?

The average sunshine duration in August in Lewistown is 9.9h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Lewistown, PA

Average temperature in August - Lewistown, 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 (32.9°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in August
Lewistown, PA

Average pressure in August - Lewistown, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Lewistown, PA

Average wind speed in August - Lewistown, PA
  • Average wind speed in August: 4.4mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in August
Lewistown, PA

Average humidity in August - Lewistown, PA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

Average rainfall in August
Lewistown, PA

Average rainfall in August - Lewistown, PA
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").

Average rainfall days in August
Lewistown, PA

Average rainfall days in August - Lewistown, PA
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in August
Lewistown, PA

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

The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Lewistown, PA

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

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lewistown, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Lewistown, PA

Average sunshine days in August - Lewistown, PA
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in August
Lewistown, PA

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

The month with the highest UV index is June (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
Lewistown, PA

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in August
Lewistown, PA

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

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

Lewistown, Pennsylvania, USA

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