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
The initiation of August sees an average high-temperature of a still moderately hot 81.3°F (27.4°C), showing minor variations from the previous month. In the month of August, the temperature generally rests at an average low of 61.7°F (16.5°C).Heat index
For most parts of August, the heat index is appraised at a hot 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.For clarity, heat index numbers account for light winds and areas under shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In August, the average relative humidity is 77%.Rainfall
In Carlisle, in August, during 12.8 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Carlisle, Pennsylvania, the average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:07 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in August is 10.2h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during August translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Carlisle, PA
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in August
Carlisle, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Carlisle, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in August
Carlisle, PA
- Average humidity in August: 77%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in August
Carlisle, PA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (1.34").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in August
Carlisle, PA
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Carlisle, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Carlisle, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Carlisle, 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 1min
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 30min).
Average sunshine days in August
Carlisle, PA
- Average sunshine days in August: 15.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in August
Carlisle, PA
- Average UV index in August: 5
The months with the highest UV index are May, 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
Carlisle, PA
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Carlisle, 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).
Carlisle, Pennsylvania, USA
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