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
Islip Terrace experiences a subtle adjustment in high-temperatures to a still moderately hot 78.4°F (25.8°C) with the onset of August, maintaining near parity with July's 79°F (26.1°C). Islip Terrace's average nighttime temperature in August modestly descends to an agreeable 72°F (22.2°C).Humidity
In August, the average relative humidity is 73%.Rainfall
In Islip Terrace, New York, in August, it is raining for 16.3 days, with typically 3.35" (85mm) of accumulated precipitation. In Islip Terrace, during the entire year, the rain falls for 153.2 days and collects up to 34.45" (875mm) of precipitation.Snowfall
In Islip Terrace, snow does not fall in April through September.Daylight
The average length of the day in August is 13h and 45min.On the first day of August in Islip Terrace, sunrise is at 5:50 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:26 pm EDT.
Sunshine
In Islip Terrace, New York, 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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average August temperature in Islip Terrace?
What is the average humidity in August in Islip Terrace?
How much does it rain in Islip Terrace in August?
When it does not snow in Islip Terrace?
How many hours of daylight does Islip Terrace have in August?
What time are sunrise and sunset in August in Islip Terrace?
How long on average sun shines in August in Islip Terrace?
What are the months with the highest UV index in Islip Terrace?
How high is the UV index in August in Islip Terrace?
Average temperature in August
Islip Terrace, NY
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 72°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in August
Islip Terrace, 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
Islip Terrace, NY
- Average wind speed in August: 8.8mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in August
Islip Terrace, NY
- Average humidity in August: 73%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Islip Terrace, NY
- Average rainfall in August: 3.35"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in August
Islip Terrace, NY
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in August
Islip Terrace, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Islip Terrace, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Islip Terrace, NY
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 10h and 4min
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
Islip Terrace, NY
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in August
Islip Terrace, 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
Islip Terrace, 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
Islip Terrace, 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).
Islip Terrace, New York, USA
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