Average weather for Jamestown in August
It's pleasantly warm in August in Jamestown with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 12°C and 14°C.
Start of August
The month of August starts in Jamestown with mild temps, averaging around 20°C during the day and nights around 14°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid August
By mid-August, daytime temps rise to around 21°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Jamestown is around 20°C, while nighttime temps are about 13°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
According to weather history, there is only 8,5 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.
Jamestown in August |
New York | ||
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20°C | 30°C | |
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22°C | 31°C | |
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18°C | -5°C | |
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8,5 mm | 79 mm | |
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3 days | 13 days |
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Jamestown?
Looking for great weather? August is a good time to be in Jamestown. The temperatures are nice, and there’s not too much rain.
Temperature records
With 30°C in 2016, Jamestown reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 14°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 17°C.
Check out the climate of Jamestown for all months and discover the best travel time
Daily Temperature in August in Jamestown
This chart shows the average daily high and low temperatures in August for Jamestown, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Jamestown
The chart below shows the average daily precipitation in August for Jamestown, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 3 days of precipitation in Jamestown.
Daily UV index in August in Jamestown
This chart shows the average daily UV index in August in Jamestown, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Jamestown over the years
This chart shows the average temperature in August in Jamestown, measured in degrees Celsius, over the past few years.
Total precipitation in August in Jamestown over the years
This chart shows the average precipitation in August in Jamestown, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Jamestown
Click on any day in August to get detailed info about the usual weather on that day in Jamestown. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in August in Jamestown
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Average weather in Jamestown by month
Click on a month below to see detailed weather info for Jamestown. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Jamestown for all months at once