August weather forecast
New Derry, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in New Derry, Pennsylvania, with an average temperature ranging between min 58.3°F (14.6°C) and max 79.7°F (26.5°C).

Temperature

New Derry marks the onset of August with an average high-temperature of a still warm 79.7°F (26.5°C), a subtle shift from July's 81.7°F (27.6°C). Nighttime temperature dips to a mean of 58.3°F (14.6°C) during August.

Humidity

April, June through August, with an average relative humidity of 78%, are the least humid months.

Rainfall

In August, the rain falls for 16.2 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in New Derry, there are 173.8 rainfall days, and 25.55" (649mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In New Derry, the average length of the day in August is 13h and 43min.
On the first day of August, sunrise is at 6:15 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:50 pm EDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year.

UV index

In New Derry, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are the temperatures in August?

The high-temperature, in August, in New Derry, records 79.7°F (26.5°C), while the low-temperature is 58.3°F (14.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the least humid month?

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

What is the average humidity in August?

In August, the average relative humidity is 78%.

How much does it rain in August?

In New Derry, in August, during 16.2 rainfall days, 1.85" (47mm) of precipitation is typically 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 43min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:15 am and sunset at 8:31 pm. On the last day of the month, in New Derry, sunrise is at 6:44 am and sunset at 7:50 pm EDT.

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does New Derry have in August?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
New Derry, PA

Average temperature in August - New Derry, PA
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 58.3°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in August
New Derry, PA

Average pressure in August - New Derry, 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
New Derry, PA

Average wind speed in August - New Derry, PA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
New Derry, PA

Average humidity in August - New Derry, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in August
New Derry, PA

Average rainfall in August - New Derry, PA
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in August
New Derry, PA

Average rainfall days in August - New Derry, PA
  • Average rainfall days in August: 16.2 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in August
New Derry, PA

Average snowfall in August - New Derry, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
New Derry, PA

Average snowfall days in August - New Derry, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
New Derry, PA

Average daylight in August / Average sunshine in August - New Derry, 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
New Derry, PA

Average sunshine days in August - New Derry, PA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is January (7 days).

Average UV index in August
New Derry, PA

Average UV index in August - New Derry, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
New Derry, PA

Average cloud cover in August - New Derry, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
New Derry, PA

Average visibility in August - New Derry, PA
  • Average visibility in August: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).

New Derry, Pennsylvania, USA

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