August weather forecastIslandia, NY
August
Weather in August
The last month of the summer, August, is another warm month in Islandia, New York, with an average temperature ranging between min 71.8°F (22.1°C) and max 78.1°F (25.6°C).Temperature
Islandia reaches its highest average temperatures in August, measuring 78.1°F (25.6°C) at the peak and 71.8°F (22.1°C) at the lowest.Humidity
In Islandia, the average relative humidity in August is 74%.Rainfall
In Islandia, during August, the rain falls for 15.7 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Islandia, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.Snowfall
April, June through September and November are months without snowfall in Islandia.Daylight
In Islandia, the average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:08 pm. On the last day of August, in Islandia, sunrise is at 6:19 am and sunset at 7:26 pm EDT.
Sunshine
The average sunshine in August is 10.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 6 in August suggests the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Islandia, NY
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 71.8°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in August
Islandia, NY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Islandia, NY
- Average wind speed in August: 9mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in August
Islandia, NY
- Average humidity in August: 74%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Islandia, NY
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in August
Islandia, NY
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Islandia, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in August
Islandia, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Islandia, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Islandia, NY
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Islandia, 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
Islandia, NY
- Average cloud cover in August: 27
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Islandia, 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).
