August weather forecast
Lewistown, PA

Share

Weather in August

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

Temperature

The arrival of August records an average high-temperature of a still moderately hot 81.1°F (27.3°C), closely related to the 83.5°F (28.6°C) observed in July. Lewistown documents a significant temperature variance in August, with the mean nighttime lows settling at a moderate 58.5°F (14.7°C).

Heat index

For August, the heat index is appraised at a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

In August, the rain falls for 17 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Lewistown, Pennsylvania, during the entire year, the rain falls for 162 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

The average sunshine in August is 9.9h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

Frequently asked questions

What is the usual temperature for Lewistown in August?

In Lewistown, 81.1°F (27.3°C) is the average high-temperature and 58.5°F (14.7°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the average humidity in August in Lewistown?

In August, the average relative humidity is 77%.

How many days does it rain in August in Lewistown?

In Lewistown, in August, during 17 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Lewistown?

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

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

In Lewistown, the average day length in August is 13h and 44min.

When are sunrise and sunset in August in Lewistown?

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?

In Lewistown, Pennsylvania, the average sunshine duration in August is 9.9h.

How high is the UV index in August in Lewistown?

In Lewistown, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
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).

[Resources]

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).

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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").

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

Lewistown, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location