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 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, the month of August registers the highest temperatures, averaging 75.9°F (24.4°C) at the peak and 71.2°F (21.8°C) at the lowest.Humidity
The average relative humidity in August is 77%.Rainfall
In Shelter Island, in August, it is raining for 14.9 days, with typically 2.76" (70mm) of accumulated precipitation. In Shelter Island, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.Snowfall
April through October are months without snowfall in Shelter Island, New York.Daylight
In Shelter Island, New York, the average length of the day in August is 13h and 46min.On the first day of August in Shelter Island, New York, 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 in Shelter Island, New York.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Shelter Island. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 in August translates into these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Shelter Island?
What is the temperature in August in Shelter Island?
What is the average humidity in August in Shelter Island?
How much does it rain in Shelter Island in August?
When it does not snow in Shelter Island?
How many hours of daylight does Shelter Island have in August?
When is the sunrise / sunset in August in Shelter Island?
What are the months with the most sunshine in Shelter Island?
How many hours of sunshine does Shelter Island have in August?
What are the months with the highest UV index in Shelter Island?
What is the UV index reading in August in Shelter Island?
Average temperature in August
Shelter Island, NY
- Average high temperature in August: 75.9°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 71.2°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in August
Shelter 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
Shelter Island, NY
- Average wind speed in August: 10.6mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).
Average humidity in August
Shelter Island, 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, NY
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in August
Shelter Island, 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, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Shelter Island, 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 daylight in August /
Average sunshine in August
Shelter Island, 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, 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, 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, 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, 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).
Shelter Island, New York, USA
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