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
August's advent denotes a minor fluctuation in the average high-temperature to a still warm 78.3°F (25.7°C) from July's 81°F (27.2°C). In Glen Lyon, August nights witness a steady temperature drop to a mild 57.2°F (14°C).Humidity
In August, the average relative humidity is 79%.Rainfall
In Glen Lyon, Pennsylvania, in August, during 16.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Glen Lyon, during the entire year, the rain falls for 162.5 days and collects up to 30.35" (771mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Glen Lyon, the average length of the day in August is 13h and 46min.On the first day of August, sunrise is at 6:00 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:38 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Glen Lyon?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Glen Lyon?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Glen Lyon have in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Glen Lyon, PA
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 57.2°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Glen Lyon, PA
- Average pressure in August: 30"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
Glen Lyon, PA
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Glen Lyon, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in August
Glen Lyon, PA
- Average rainfall in August: 3.11"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days in August
Glen Lyon, PA
- Average rainfall days in August: 16.4 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in August
Glen Lyon, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Glen Lyon, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glen Lyon, PA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in August
Glen Lyon, PA
- Average sunshine days in August: 12 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in August
Glen Lyon, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Glen Lyon, PA
- Average cloud cover in August: 39
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in August
Glen Lyon, 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).
Glen Lyon, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location