Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Llewellyn's August showcases an average high-temperature of a still warm 79.2°F (26.2°C), hardly distinct from July's 81.3°F (27.4°C). An average low-temperature of 60.1°F (15.6°C) is observed during August nights.Humidity
In Llewellyn, the average relative humidity in August is 80%.Rainfall
In Llewellyn, during August, the rain falls for 14.6 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August, sunrise is at 6:02 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:38 pm EDT.
Sunshine
In Llewellyn, Pennsylvania, the average sunshine in August is 10h.UV index
In Llewellyn, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow in Llewellyn?
How many hours of daylight does Llewellyn have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Llewellyn have in August?
How high is the UV index in August?
Average temperature in August
Llewellyn, PA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in August: 60.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Llewellyn, 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 (29.94"Hg).
Average wind speed in August
Llewellyn, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Llewellyn, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Llewellyn, PA
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in August
Llewellyn, PA
- Average rainfall days in August: 14.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in August
Llewellyn, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Llewellyn, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Llewellyn, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in August
Llewellyn, PA
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Llewellyn, PA
- Average UV index in August: 5
The months with the highest UV index are June and July (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
Llewellyn, PA
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Llewellyn, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
Llewellyn, Pennsylvania, USA
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