August weather forecastFishers Island, NY
August
Weather in August
The last month of the summer, August, is another warm month in Fishers Island, New York, with an average temperature varying between 66.4°F (19.1°C) and 77.7°F (25.4°C).Temperature
In August, the average high-temperature registers at a still moderately hot 77.7°F (25.4°C), nearly identical to July's 78.4°F (25.8°C). In the month of August, Fishers Island records a consistent average low-temperature of 66.4°F (19.1°C).Humidity
In Fishers Island, the average relative humidity in August is 78%.Rainfall
In Fishers Island, in August, during 15.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Fishers Island, during the entire year, the rain falls for 164.2 days and collects up to 34.09" (866mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Fishers Island, the average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 5:44 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:22 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.5h of sunshine.UV index
The months with the highest UV index in Fishers Island 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 unsafe exposure to UV radiation for ordinary individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fishers Island, NY
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in August: 66.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in August
Fishers Island, NY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Fishers Island, NY
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in August
Fishers Island, NY
- Average humidity in August: 78%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in August
Fishers Island, NY
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Fishers Island, NY
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in August
Fishers Island, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Fishers Island, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Fishers Island, NY
- 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 18min).
- Average sunshine in August: 10h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in August
Fishers Island, NY
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in August
Fishers Island, NY
- 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
Fishers Island, NY
- Average cloud cover in August: 29
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Fishers Island, NY
- 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).
