August weather forecastMcKnightstown, PA
August
Weather in August
August, the last month of the summer in McKnightstown, is also a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 81.3°F (27.4°C).Temperature
McKnightstown records an average high-temperature of a still moderately hot 81.3°F (27.4°C) in August, maintaining a close correlation with July's 84°F (28.9°C). The temperature dips to an average of 62.2°F (16.8°C) during August nights.Heat index
The heat index in August is appraised at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In August, the average relative humidity is 78%.Rainfall
In McKnightstown, in August, it is raining for 14.6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 125 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
In McKnightstown, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in August is 10.2h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
McKnightstown, PA
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in August
McKnightstown, 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
McKnightstown, PA
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
McKnightstown, PA
- Average humidity in August: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in August
McKnightstown, PA
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in August
McKnightstown, PA
- Average rainfall days in August: 14.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in August
McKnightstown, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
McKnightstown, 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
McKnightstown, PA
- Average daylight in August: 13h and 42min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
McKnightstown, PA
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in August
McKnightstown, 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, November and December (UV index 2).
Average cloud cover in August
McKnightstown, PA
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
McKnightstown, 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).





