Islip, USA Weather Averages

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Islip, USA Weather Averages

The wettest month is August with an average of 4mm of rain..

Average High Low Temperature Islip

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Islip

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Chance of Sunny Day Islip

What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%

Chance of Rain Islip

What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather

Chance of Windy Day Islip

What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day

Chance of Cloudy Day Islip

What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day

Chance of Fog Day Islip

What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years

Chance of Snow Day Islip

What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years

Islip : Next 24-Hour Weather

Tomorrow - 24th February 2024

Sunrise 06:35

Sunrise

Sunset 17:38

Sunset
23:00
Clear
-0°C (30°F)

Tomorrow - 25th February 2024

Sunrise 06:35

Sunrise

Sunset 17:38

Sunset
0:00
Clear
-1°C (29°F)
1:00
Clear
-1°C (29°F)
2:00
Clear
-2°C (28°F)
3:00
Clear
-2°C (28°F)
4:00
Clear
-2°C (27°F)
5:00
Clear
-2°C (27°F)
6:00
Clear
-2°C (27°F)
7:00
Clear
-2°C (27°F)
8:00
Clear
-2°C (28°F)
9:00
Clear
-2°C (28°F)
10:00
Clear
-1°C (29°F)
11:00
Clear
-0°C (31°F)
12:00
Clear
1°C (32°F)
13:00
Clear
1°C (33°F)
14:00
Clear
2°C (34°F)
15:00
Clear
2°C (35°F)
16:00
Clear
2°C (35°F)
17:00
Clear
2°C (35°F)
18:00
Clear
2°C (34°F)
19:00
Clear
2°C (34°F)
20:00
Clear
2°C (35°F)
21:00
Clear
2°C (35°F)
22:00
Clear
2°C (36°F)

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