August weather forecast
Armagh, PA

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Weather in August

The last month of the summer, August, is another warm month in Armagh, Pennsylvania, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 78.4°F (25.8°C).

Temperature

In August, Armagh experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 78.4°F (25.8°C), closely mirroring the climate in July. Despite substantial daily fluctuations, the average low-temperature is a mild 56.8°F (13.8°C) during August.

Humidity

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

Rainfall

In Armagh, in August, during 17.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Armagh, during the entire year, the rain falls for 176.9 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Armagh, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 5 during August leads to these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

During August, Armagh experiences an average high-temperature of 78.4°F (25.8°C) and a low-temperature of 56.8°F (13.8°C).

What is the average humidity in August?

The average relative humidity in August is 79%.

How many days does it rain in August?

In Armagh, during August, the rain falls for 17.2 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

In Armagh, Pennsylvania, snow does not fall in June through September.

What is the average length of the day in August?

In August, the average day length is 13h and 44min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:49 pm EDT.

How long on average sun shines in August?

In Armagh, the average sunshine duration in August is 9.7h.

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 5.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Armagh, PA

Average temperature in August - Armagh, PA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in August
Armagh, PA

Average pressure in August - Armagh, 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
Armagh, PA

Average wind speed in August - Armagh, PA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Armagh, PA

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

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

Average rainfall in August
Armagh, PA

Average rainfall in August - Armagh, PA
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in August
Armagh, PA

Average rainfall days in August - Armagh, PA
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in August
Armagh, PA

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

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Armagh, PA

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

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Armagh, 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 18min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Armagh, PA

Average sunshine days in August - Armagh, PA
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is January (7 days).

Average UV index in August
Armagh, PA

Average UV index in August - Armagh, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Armagh, PA

Average cloud cover in August - Armagh, PA
  • Average cloud cover in August: 38

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in August
Armagh, PA

Average visibility in August - Armagh, PA
  • Average visibility in August: 5mi

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

Armagh, Pennsylvania, USA

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