August weather forecastDallastown, PA
August
Weather in August
August, the last month of the summer in Dallastown, is also a moderately hot month, with an average temperature varying between 81°F (27.2°C) and 63.9°F (17.7°C).Temperature
Dallastown marks the arrival of August with an average high-temperature of a still warm 81°F (27.2°C), hardly different from July's 83.5°F (28.6°C). During August, Dallastown observes a consistent average nighttime temperature of 63.9°F (17.7°C).Heat index
The heat index value during August is appraised at a hot 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Dallastown, the average relative humidity in August is 79%.Rainfall
August is the month with the most rainfall. Rain falls for 15 days and accumulates 2.8" (71mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Dallastown is 13h and 42min.On the first day of August, sunrise is at 6:05 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:39 pm EDT.
Sunshine
The average sunshine in August is 10.2h.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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during August leads to these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dallastown, PA
- Average high temperature in August: 81°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Dallastown, 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 (29.94"Hg).
Average wind speed in August
Dallastown, PA
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Dallastown, PA
- Average humidity in August: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March, April and November (76%).
Average rainfall in August
Dallastown, PA
- Average rainfall in August: 2.8"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in August
Dallastown, PA
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in August
Dallastown, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Dallastown, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Dallastown, 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 42min).
Average sunshine days in August
Dallastown, PA
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in August
Dallastown, 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
Dallastown, PA
- Average cloud cover in August: 32
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 31).
Average visibility in August
Dallastown, 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).
