August weather forecastNewport, RI
August
Weather in August
In August, the summer heat in Newport begins to subside. Although rain does not significantly increase this month, there's a noticeable reduction in sunshine hours. As a result, August hosts cooler but still relatively warm temperatures suitable for outdoor activities. This month also marks the start of the wind speed decrease, which lasts until November. The relatively calm and pleasant weather makes it an excellent month for visitors.Temperature
As Newport transitions from July to August, the average high-temperatures adjust to a still warm 77.7°F (25.4°C), nearly the same as the previous 78.3°F (25.7°C). In Newport, an average low-temperature of 65.7°F (18.7°C) is recorded during August nights.Humidity
In Newport, the average relative humidity in August is 78%.Rainfall
In Newport, in August, it is raining for 11.8 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Newport, there are 148.1 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall in Newport, Rhode Island.Ocean temperature
August is the month with the warmest seawater in Newport, Rhode Island, with an average ocean temperature of 69.6°F (20.9°C).Note: Swimming in 69.6°F (20.9°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
Daylight
In August, the average length of the day in Newport is 13h and 47min.On the first day of August in Newport, sunrise is at 5:40 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:19 pm EDT.
Sunshine
August has the most sunshine of the year in Newport, with an average of 10.5h of sunshine.UV index
The months with the highest UV index in Newport are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Newport, RI
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in August
Newport, RI
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Newport, RI
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in August
Newport, RI
- Average humidity in August: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall in August
Newport, RI
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Newport, RI
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Newport, RI
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in August
Newport, RI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in August
Newport, RI
- Average sea temperature in August: 69.6°F
The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in August /
Average sunshine in August
Newport, RI
- Average daylight in August: 13h and 48min
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: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Newport, RI
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in August
Newport, RI
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in August
Newport, RI
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Newport, RI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
