August weather forecast
Lenni, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Lenni, Pennsylvania, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 66.9°F (19.4°C).

Temperature

The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 83.1°F (28.4°C), aligning closely with July. Lenni's nighttime temperature in August falls to an average of 66.9°F (19.4°C).

Heat index

For most parts of August, the heat index is evaluated at a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Lenni, the average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.2 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Lenni, Pennsylvania, the average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

Sunshine

In Lenni, Pennsylvania, the average sunshine in August is 10h.

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 hazard from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The high-temperature, in August, in Lenni, records 83.1°F (28.4°C), while the low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 73%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 17.2 days and typically aggregates up to 4.09" (104mm) of precipitation.

How much does it rain in August?

In Lenni, in August, it is raining for 17.2 days, with typically 4.09" (104mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

How long on average sun shines in August?

In Lenni, the average sunshine duration in August is 10h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In Lenni, the average daily maximum UV index in August is 6. A UV Index reading 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
Lenni, PA

Average temperature in August - Lenni, PA
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in August
Lenni, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Lenni, PA

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

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Lenni, PA

Average humidity in August - Lenni, PA
  • Average humidity in August: 73%

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

Average rainfall in August
Lenni, PA

Average rainfall in August - Lenni, PA
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in August
Lenni, PA

Average rainfall days in August - Lenni, PA
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in August
Lenni, PA

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

The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Lenni, PA

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lenni, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Lenni, PA

Average sunshine days in August - Lenni, PA
  • Average sunshine days in August: 10.8 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).

Average UV index in August
Lenni, PA

Average UV index in August - Lenni, 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
Lenni, PA

Average cloud cover in August - Lenni, PA
  • Average cloud cover in August: 34

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Lenni, PA

Average visibility in August - Lenni, 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).

Lenni, Pennsylvania, USA

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