August weather forecast
Sunbury, PA

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Weather in August

The last month of the summer, August, is another warm month in Sunbury, Pennsylvania, with an average temperature fluctuating between 59.4°F (15.2°C) and 80.2°F (26.8°C).

Temperature

In August, Sunbury's weather conditions record an average high-temperature of a still warm 80.2°F (26.8°C), demonstrating little divergence from the preceding month. Throughout the month of August, Sunbury witnesses an average temperature of 59.4°F (15.2°C).

Humidity

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

Rainfall

In August, in Sunbury, the rain falls for 12.3 days. Throughout August, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Sunbury, there are 133.4 rainfall days, and 13.15" (334mm) of precipitation is accumulated.

Snowfall

In Sunbury, snow does not fall in June through October.

Daylight

In August, the average length of the day in Sunbury is 13h and 45min.
On the first day of August, sunrise is at 6:04 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:40 pm EDT.

Sunshine

In Sunbury, the average sunshine in August is 10.1h.

UV index

In August, the average daily maximum UV index in Sunbury, Pennsylvania, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 5 in August translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the average August temperature in Sunbury?

In Sunbury, in August, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 59.4°F (15.2°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 July is computed to be 89.6°F (32°C).

What is the average humidity in August in Sunbury?

The average relative humidity in August in Sunbury, Pennsylvania, is 79%.

How many days does it rain in August in Sunbury?

In Sunbury, Pennsylvania, during August, the rain falls for 12.3 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Sunbury?

In Sunbury, Pennsylvania, snow does not fall in June through October.

How many hours of daylight does Sunbury have in August?

The average day length in August in Sunbury is 13h and 45min.

What time are sunrise and sunset in August in Sunbury?

On the first day of August, sunrise is at 6:04 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:40 pm EDT.

How long on average sun shines in August in Sunbury?

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

How high is the UV index in August in Sunbury?

The average daily maximum UV index in August in Sunbury 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
Sunbury, PA

Average temperature in August - Sunbury, PA
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in August
Sunbury, PA

Average pressure in August - Sunbury, 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).

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Average wind speed in August
Sunbury, PA

Average wind speed in August - Sunbury, PA
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in August
Sunbury, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).

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Average rainfall in August
Sunbury, PA

Average rainfall in August - Sunbury, PA
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in August
Sunbury, PA

Average rainfall days in August - Sunbury, PA
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in August
Sunbury, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Sunbury, PA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Sunbury, PA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days in August
Sunbury, PA

Average sunshine days in August - Sunbury, PA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in August
Sunbury, PA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Sunbury, PA

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

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Sunbury, PA

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

The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).

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Sunbury, Pennsylvania, USA

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