August weather forecastManville, RI
August
Weather in August
The last month of the summer, August, is another warm month in Manville, Rhode Island, with an average temperature ranging between max 80.8°F (27.1°C) and min 61.5°F (16.4°C).Temperature
Manville starts August with an average high-temperature of a still moderately hot 80.8°F (27.1°C), hinting at a minimal fluctuation from July. Manville observes an average nighttime low-temperature of 61.5°F (16.4°C) during the month of August.Heat index
During August, the heat index is calculated to be a tropical 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Observations indicate that the heat index values are for shady locations with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Manville, in August, during 13.2 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 144.7 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Manville.Daylight
In August, the average length of the day is 13h and 49min.On the first day of the month, sunrise is at 5:40 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:11 am and sunset at 7:20 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In August, the UV index of 6 transforms into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Manville, RI
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in August
Manville, 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
Manville, RI
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Manville, RI
- Average humidity in August: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in August
Manville, RI
- Average rainfall in August: 1.97"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in August
Manville, RI
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in August
Manville, RI
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Manville, RI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Manville, RI
- Average daylight in August: 13h and 48min
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: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in August
Manville, RI
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in August
Manville, 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, November and December (UV index 2).
Average cloud cover in August
Manville, RI
- Average cloud cover in August: 37
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in August
Manville, RI
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
