Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The advent of August observes an average high-temperature of a still warm 74.7°F (23.7°C), nearly identical to July's 75.9°F (24.4°C). Throughout the month of August, Jamestown witnesses an average low-temperature of 58.1°F (14.5°C).Humidity
The average relative humidity in August is 82%.Rainfall
In August, in Jamestown, New York, the rain falls for 16.8 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. In Jamestown, during the entire year, the rain falls for 163.4 days and collects up to 27.72" (704mm) of precipitation.Snowfall
June through September are months without snowfall.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 8:35 pm. On the last day of August, in Jamestown, sunrise is at 6:42 am and sunset at 7:51 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. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Jamestown?
What is the average humidity in August in Jamestown?
How much does it rain in Jamestown in August?
When it does not snow in Jamestown?
How many hours of daylight does Jamestown have in August?
When are sunrise and sunset in August in Jamestown?
What is the month with the most sunshine in Jamestown?
How long on average sun shines in August in Jamestown?
When is the highest UV index in Jamestown?
What is the UV index reading in August in Jamestown?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in August /
Average sunshine in August
Jamestown, NY
- Average daylight in August: 13h and 5min
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 12min).
- 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).
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).
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).
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).
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).
Jamestown, New York, USA
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