August weather forecast
Hummelstown, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hummelstown, Pennsylvania, with an average temperature varying between 61.7°F (16.5°C) and 80.2°F (26.8°C).

Temperature

The shift into August records an average high-temperature of a still warm 80.2°F (26.8°C), subtly varied from July's 82.4°F (28°C). August brings with it a nighttime average temperature of 61.7°F (16.5°C) in Hummelstown.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Hummelstown, in August, during 14.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 162.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Hummelstown, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:20 pm. On the last day of August, in Hummelstown, sunrise is at 6:34 am and sunset at 7:39 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 5 in August leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the temperature in August in Hummelstown?

The high-temperature, in August, in Hummelstown, is 80.2°F (26.8°C), while the low-temperature averages to 61.7°F (16.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in August in Hummelstown?

In August, the average relative humidity is 80%.

How many days does it rain in August in Hummelstown?

In Hummelstown, Pennsylvania, in August, during 14.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Hummelstown?

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

How many hours of daylight does Hummelstown have in August?

In Hummelstown, the average day length in August is 13h and 43min.

When is the sunrise / sunset in August in Hummelstown?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:20 pm. On the last day of the month, in Hummelstown, sunrise is at 6:34 am and sunset at 7:39 pm EDT.

How long on average sun shines in August in Hummelstown?

The average sunshine duration in August in Hummelstown, Pennsylvania, is 10.1h.

What is the UV index intensity in August in Hummelstown?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Hummelstown, PA

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in August
Hummelstown, PA

Average pressure in August - Hummelstown, 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
Hummelstown, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Hummelstown, PA

Average humidity in August - Hummelstown, PA
  • Average humidity in August: 80%

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

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Average rainfall in August
Hummelstown, PA

Average rainfall in August - Hummelstown, PA
  • Average rainfall in August: 2.87"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in August
Hummelstown, PA

Average rainfall days in August - Hummelstown, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in August
Hummelstown, PA

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

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Hummelstown, PA

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

The month with the highest number of snowfall days is January (9 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
Hummelstown, PA

Average daylight in August / Average sunshine in August - Hummelstown, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Hummelstown, PA

Average sunshine days in August - Hummelstown, PA
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

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Average UV index in August
Hummelstown, PA

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

The months with the highest UV index are May, June and 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
Hummelstown, PA

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Hummelstown, PA

Average visibility in August - Hummelstown, PA
  • Average visibility in August: 6mi

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

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Hummelstown, Pennsylvania, USA

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