August weather forecast
Jamestown, NY

Weather in August

August, the last month of the summer in Jamestown, is also a moderately hot month, with an average temperature ranging between min 58.1°F (14.5°C) and max 74.7°F (23.7°C).

Temperature

In Jamestown, the average high-temperature in August is almost the same as in July - a still warm 74.7°F (23.7°C). In August, in Jamestown, the average low-temperature is 58.1°F (14.5°C).

Humidity

The average relative humidity in August in Jamestown is 82%.

Rainfall

In Jamestown, in August, it is raining for 16.8 days, with typically 2.13" (54mm) of accumulated precipitation. In Jamestown, during the entire year, the rain falls for 163.4 days and collects up to 27.72" (704mm) of precipitation.

Snowfall

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

Daylight

In Jamestown, the average length of the day in August is 13h and 50min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:52 pm EDT.

Sunshine

The months with the most sunshine in Jamestown are July and August, with an average of 10h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Jamestown. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Jamestown?

In Jamestown, in August, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in August in Jamestown?

In August, the average relative humidity in Jamestown is 82%.

How much does it rain in Jamestown in August?

In Jamestown, during August, the rain falls for 16.8 days and regularly aggregates up to 2.13" (54mm) 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, New York, is 13h and 50min.

When is the sunrise / sunset in August in Jamestown?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:52 pm EDT.

What are the months with the most sunshine in Jamestown?

July and August, with an average of 10h of sunshine, are months with the most sunshine in Jamestown, New York.

How long on average sun shines in August in Jamestown?

In Jamestown, New York, the average sunshine duration in August is 10h.

What are the months with the highest UV index in Jamestown?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Jamestown.

What is the UV index reading in August in Jamestown?

The average daily maximum UV index in August in Jamestown is 5. A UV Index estimate 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Jamestown, NY

Average temperature in August - Jamestown, NY
  • Average high temperature in August: 74.7°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 58.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

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Average pressure in August
Jamestown, NY

Average pressure in August - Jamestown, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Jamestown, NY

Average wind speed in August - Jamestown, NY
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in August
Jamestown, NY

Average humidity in August - Jamestown, NY
  • Average humidity in August: 82%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and September (81%).

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Average rainfall in August
Jamestown, NY

Average rainfall in August - Jamestown, NY
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in August
Jamestown, NY

Average rainfall days in August - Jamestown, NY
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall in August
Jamestown, NY

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

The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Jamestown, NY

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

The month with the highest number of snowfall days is January (20.7 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, NY

Average daylight in August / Average sunshine in August - Jamestown, NY
  • Average daylight in August: 13h and 50min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 10min).

  • Average sunshine in August: 10h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in August
Jamestown, NY

Average sunshine days in August - Jamestown, NY
  • Average sunshine days in August: 10.8 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5.6 days).

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Average UV index in August
Jamestown, NY

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

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

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Average cloud cover in August
Jamestown, NY

Average cloud cover in August - Jamestown, NY
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
Jamestown, NY

Average visibility in August - Jamestown, NY
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).

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