August weather forecast
York, PA

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This courthouse of the York County, Pennsylvania, stands tall in the bright evening sunlight rays
This courthouse of the York County, Pennsylvania, stands tall in the bright evening sunlight rays

Weather in August

August in York sees the beginning of summer’s gradual descent, while still basking in its warmth. Fine weather prevails, with fewer clouds dotting the sky and temperatures registering an average high of 81°F (27.2°C), slightly lower than July's peak. Although the rainfall does not dramatically increase, residents do see a gradual rise towards the end of the month. By the end of August, the shortening daylight hours become conspicuous indicators of the forthcoming autumn shift. As the month wanes, York slowly prepares to welcome September's moderate climates.

Temperature

As York, Pennsylvania, welcomes August, the average high-temperature stabilizes at a still moderately hot 81°F (27.2°C), showing little deviation from July's 83.3°F (28.5°C). During August, the temperature tends to dip to an average of 62.4°F (16.9°C) at night.

Heat index

The heat index value for August is evaluated at a hot 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In York, the average relative humidity in August is 79%.

Rainfall

The wettest months are July and August, with an average 2.01" (51mm) of rainfall.

Snowfall

In York, snow does not fall in May through September.

Daylight

In York, the average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 6:06 am and sunset at 8:20 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 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Take precautions against overexposure. Protection against sun damage is needed. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the usual temperature for York in August?

August temperatures vary between a high-temperature of 81°F (27.2°C) and a low-temperature of 62.4°F (16.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in August?

In York, the average relative humidity in August is 79%.

What is the wettest month?

The wettest months in York are July and August, with an average 2.01" (51mm) of rainfall.

How many days does it rain in August in York?

In York, Pennsylvania, in August, during 13.5 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow?

In York, snow does not fall in May through September.

What is the average length of the day in August?

In August, the average day length is 13h and 42min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:39 pm EDT.

How many hours of sunshine does York have in August?

The average sunshine duration in August is 10.1h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
York, PA

Average temperature in August - York, PA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 62.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in August
York, PA

Average pressure in August - York, 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
York, PA

Average wind speed in August - York, PA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
York, PA

Average humidity in August - York, PA
  • Average humidity in August: 79%

The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in August
York, PA

Average rainfall in August - York, PA
  • Average rainfall in August: 2.01"

The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in August
York, PA

Average rainfall days in August - York, PA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).

Average snowfall in August
York, PA

Average snowfall in August - York, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
York, PA

Average snowfall days in August - York, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
York, PA

Average daylight in August / Average sunshine in August - York, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
York, PA

Average sunshine days in August - York, PA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in August
York, PA

Average UV index in August - York, 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
York, PA

Average cloud cover in August - York, PA
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
York, PA

Average visibility in August - York, 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).

York, Pennsylvania, USA

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