August weather forecast
Greisemersville, PA

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Weather in August

The last month of the summer, August, is another warm month in Greisemersville, Pennsylvania, with an average temperature ranging between max 81.1°F (27.3°C) and min 63°F (17.2°C).

Temperature

Greisemersville indicates an average high-temperature of a still moderately hot 81.1°F (27.3°C) in August, showing minor variation from July's 83.7°F (28.7°C). The average low-temperature in Greisemersville during August nights is an enjoyable 63°F (17.2°C).

Heat index

August's mean heat index is computed to be a hot 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in August is 78%.

Rainfall

August is the month with the most rainfall in Greisemersville. Rain falls for 15.3 days and accumulates 2.83" (72mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:36 pm EDT.

Sunshine

The average sunshine in August in Greisemersville is 10h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the average August temperature in Greisemersville?

The high-temperature, in August, in Greisemersville, is 81.1°F (27.3°C), while the low-temperature averages to 63°F (17.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in August in Greisemersville?

The average relative humidity in August in Greisemersville is 78%.

What is the rainiest month in Greisemersville?

August is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.83" (72mm) of precipitation.

How many days does it rain in August in Greisemersville?

In Greisemersville, in August, it is raining for 15.3 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow in Greisemersville?

June through September are months without snowfall in Greisemersville.

How many hours of daylight does Greisemersville have in August?

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

When are sunrise and sunset in August in Greisemersville?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:36 pm EDT.

How many hours of sunshine does Greisemersville have in August?

The average sunshine duration in August is 10h.

How high is the UV index in August in Greisemersville?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes 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
Greisemersville, PA

Average temperature in August - Greisemersville, PA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 63°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 (22.8°F).

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Average pressure in August
Greisemersville, PA

Average pressure in August - Greisemersville, PA
  • Average pressure in August: 29.99"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
Greisemersville, PA

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

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Greisemersville, PA

Average humidity in August - Greisemersville, PA
  • Average humidity in August: 78%

The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in August
Greisemersville, PA

Average rainfall in August - Greisemersville, PA
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
Greisemersville, PA

Average rainfall days in August - Greisemersville, PA
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in August
Greisemersville, PA

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

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Greisemersville, PA

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

The month with the highest number of snowfall days is January (7.3 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
Greisemersville, PA

Average daylight in August / Average sunshine in August - Greisemersville, 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 0min

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 42min).

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Average sunshine days in August
Greisemersville, PA

Average sunshine days in August - Greisemersville, PA
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in August
Greisemersville, PA

Average UV index in August - Greisemersville, 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
Greisemersville, PA

Average cloud cover in August - Greisemersville, PA
  • Average cloud cover in August: 34

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Greisemersville, PA

Average visibility in August - Greisemersville, 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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Greisemersville, Pennsylvania, USA

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