Jamestown
New York, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Jamestown, NY

August, the last month of the summer, in Jamestown, is another warm month, with average temperature varying between 54.7°F (12.6°C) and 79°F (26.1°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 79°F (26.1°C). In Jamestown, in August, the average low-temperature is 54.7°F (12.6°C).

Rainfall

In August, in Jamestown, the rain falls for 10.7 days. Throughout August, 3.8" (97.5mm) of precipitation is accumulated. In Jamestown, during the entire year, the rain falls for 153.2 days and collects up to 45.3" (1151mm) of precipitation.

Snowfall

Throughout the year, 86.8" (2204.7mm) of snow is accumulated.

Daylight

In Jamestown, the average length of the day is 13.8h.

Sunshine

In Jamestown, the average sunshine in August is 8h.

UV index

In Jamestown, the average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Jamestown?

In August, in Jamestown, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 54.7°F (12.6°C).

How many days does it rain in August in Jamestown?

In Jamestown, in August, during 10.7 rainfall days, 3.8" (97.5mm) of precipitation is typically accumulated.

How many hours of daylight does Jamestown have in August?

In Jamestown, the average length of the day in August is 13.8h.

How long on average sun shines in August in Jamestown?

In August, the average sunshine in Jamestown, New York, is 8h.

What is the UV index intensity in August in Jamestown?

In August, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Jamestown, NY
  • Average high temperature in August: 79°F

The warmest month (with the highest average high temperature) is July (80°F).
The month with the lowest average high temperature is January (31.9°F).

  • Average low temperature in August: 54.7°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average rainfall in August - Jamestown, NY
  • Average rainfall in August: 3.8"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is February (2.6").

Average rainfall days in August - Jamestown, NY
  • Average rainfall days in August: 10.7 days

The month with the highest number of rainy days is January (17.3 days).
The month with the lowest number of rainy days is September (10.3 days).

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

The month with the highest snowfall is January (25.7").
Months with the lowest snowfall are May, June, July, August and September (0").

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 (11.8 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Jamestown, NY
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in August: 8h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in August - Jamestown, NY
  • Average UV index in August: 8

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).