August weather forecast
York, PA

englishespañol中文
Share
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

July's transformation into August witnesses an average high-temperature of a still warm 81°F (27.2°C), noting a minor change from the preceding month. In August, York reports a consistent average low-temperature of 62.4°F (16.9°C) during the nights.

Heat index

The heat index in August is computed to be a tropical 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In August, the average relative humidity is 79%.

Rainfall

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

Snowfall

In York, 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 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

In August, the average sunshine 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What are August temperatures?

The average high-temperature, in August, in York, is 81°F (27.2°C), while the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

What is the rainiest month?

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

How many days does it rain in August?

In August, the rain falls for 13.5 days. Throughout August, 2.01" (51mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

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

When 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 long on average sun shines in August?

In York, the average sunshine duration in August is 10.1h.

When is the highest UV index?

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

What is the UV index intensity in August in York?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location