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 sea temperature 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
In Shelter Island Heights, New York, temperatures reach their average annual highs in August, measuring 24.4°C (75.9°F) and a minimum average of 21.8°C (71.2°F).Humidity
In Shelter Island Heights, the average relative humidity in August is 77%.Rainfall
In August, the rain falls for 14.9 days. Throughout August, 70mm (2.76") of precipitation is accumulated. Throughout the year, in Shelter Island Heights, there are 154.1 rainfall days, and 887mm (34.92") of precipitation is accumulated.Snowfall
In Shelter Island Heights, snow does not fall in April through October.Ocean temperature
With an average ocean temperature of 22.3°C (72.1°F), August is the month with the warmest seawater.Note: Imagine a swim in 22.3°C (72.1°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In August, the average length of the day is 13h and 46min.On the first day of August, sunrise is at 5:45 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:23 pm EDT.
Sunshine
July and August, with an average of 10.6h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Shelter Island Heights?
What is the average August temperature?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
When is the ocean warmest?
What is the ocean temperature in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
What is the month with the most sunshine?
How long on average sun shines in August?
What are the months with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Shelter Island Heights, NY
- Average high temperature in August: 24.4°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in August: 21.8°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in August
Shelter Island Heights, NY
- Average pressure in August: 1015.3mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed in August
Shelter Island Heights, NY
- Average wind speed in August: 17.1km/h
The windiest month (with the highest average wind speed) is January (25.7km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity in August
Shelter Island Heights, NY
- Average humidity in August: 77%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in August
Shelter Island Heights, NY
- Average rainfall in August: 70mm
The wettest month (with the highest rainfall) is December (97mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days in August
Shelter Island Heights, NY
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in August
Shelter Island Heights, NY
- Average snowfall in August: 0mm
The month with the highest snowfall is March (60mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Shelter Island Heights, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Shelter Island Heights, NY
- Average sea temperature in August: 22.3°C
The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is February (3.8°C).
Average daylight in August /
Average sunshine in August
Shelter Island Heights, NY
- Average daylight in August: 13h and 5min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in August
Shelter Island Heights, NY
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in August
Shelter Island Heights, 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 and December (UV index 2).
Average cloud cover in August
Shelter Island Heights, NY
- Average cloud cover in August: 27
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Shelter Island Heights, NY
- Average visibility in August: 10km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April, May and December (9km).
Shelter Island Heights, New York, USA
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