August weather forecast
Jamestown, PA

Weather in August

August, the last month of the summer in Jamestown, is also a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.3°F (14.6°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still warm 79.3°F (26.3°C). The average low-temperature, in August, is 58.3°F (14.6°C).

Humidity

In August, the average relative humidity is 80%.

Rainfall

In Jamestown, in August, it is raining for 16.3 days, with typically 1.81" (46mm) of accumulated precipitation. In Jamestown, during the entire year, the rain falls for 167.1 days and collects up to 24.25" (616mm) of precipitation.

Snowfall

June through September are months without snowfall in Jamestown.

Daylight

In August, the average length of the day is 13h and 47min.
On the first day of August, sunrise is at 6:16 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:57 pm EDT.

Sunshine

July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Jamestown, Pennsylvania.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Jamestown?

The average high-temperature, in August, in Jamestown, is 79.3°F (26.3°C), while the average low-temperature is 58.3°F (14.6°C). in July, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in August in Jamestown?

In Jamestown, Pennsylvania, the average relative humidity in August is 80%.

How many days does it rain in August in Jamestown?

In Jamestown, Pennsylvania, during August, the rain falls for 16.3 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow in Jamestown?

In Jamestown, snow does not fall in June through September.

What is the average length of the day in August in Jamestown?

In August, the average day length in Jamestown, Pennsylvania, is 13h and 47min.

What time are sunrise and sunset in August in Jamestown?

On the first day of August in Jamestown, Pennsylvania, sunrise is at 6:16 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:57 pm EDT.

What are the months with the most sunshine in Jamestown?

The months with the most sunshine are July and August, with an average of 9.9h of sunshine.

How many hours of sunshine does Jamestown have in August?

The average sunshine duration in August is 9.9h.

What is the UV index intensity in August in Jamestown?

The average daily maximum UV index in August in Jamestown, Pennsylvania, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Jamestown, PA

Average temperature in August - Jamestown, PA
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in August: 58.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in August
Jamestown, PA

Average pressure in August - Jamestown, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Jamestown, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in August
Jamestown, PA

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

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).

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Average rainfall in August
Jamestown, PA

Average rainfall in August - Jamestown, PA
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in August
Jamestown, PA

Average rainfall days in August - Jamestown, PA
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8 days).

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Average snowfall in August
Jamestown, PA

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

The month with the highest snowfall is January (6.38").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Jamestown, PA

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

The month with the highest number of snowfall days is January (19.9 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
Jamestown, PA

Average daylight in August / Average sunshine in August - Jamestown, 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 12min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in August
Jamestown, PA

Average sunshine days in August - Jamestown, PA
  • Average sunshine days in August: 12.6 days

The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in August
Jamestown, PA

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

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

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Average cloud cover in August
Jamestown, PA

Average cloud cover in August - Jamestown, PA
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in August
Jamestown, PA

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

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