Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average sea temperature in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
The arrival of November corresponds with a shift in temperature, down from an enjoyable 62.4°F (16.9°C) in October to a fresh 52°F (11.1°C). In Islip, the nocturnal temperatures throughout November show a marginal dip from the daytime averages, settling at a chilly 44.2°F (6.8°C).Humidity
The least humid month in Islip is November, with an average relative humidity of 71%.Rainfall
In November, in Islip, the rain falls for 8.5 days. Throughout November, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Islip. In Islip, New York, in November, snow falls for 0.5 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, in Islip, there are 13 snowfall days, and 5.87" (149mm) of snow is accumulated.Ocean temperature
In Islip, New York, the average seawater temperature in November is 55.6°F (13.1°C).Note: Immersing oneself in 55.6°F (13.1°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
The average length of the day in November in Islip is 9h and 56min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:48 pm EDT. On the last day of November, in Islip, sunrise is at 6:57 am and sunset at 4:26 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
In Islip, the average sunshine in November is 5.5h.UV index
The average daily maximum UV index in November in Islip is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 3 during November translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Islip in November?
What is the least humid month in Islip?
What is the average humidity in November in Islip?
How much does it rain in Islip in November?
How much does it snow in Islip in November?
How cold is the water in November in Islip?
How many hours of daylight does Islip have in November?
What time are sunrise and sunset in November in Islip?
When does Daylight Saving Time (DST) end in November in Islip?
How many hours of sunshine does Islip have in November?
How high is the UV index in November in Islip?
Average temperature in November
Islip, NY
- Average high temperature in November: 52°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 November: 44.2°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 November
Islip, NY
- Average pressure in November: 30.09"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 November
Islip, NY
- Average wind speed in November: 12.6mph
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 November
Islip, NY
- Average humidity in November: 71%
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 November
Islip, NY
- Average rainfall in November: 2.4"
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 November
Islip, NY
- Average rainfall days in November: 8.5 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 November
Islip, NY
- Average snowfall in November: 0.24"
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 November
Islip, NY
- Average snowfall days in November: 0.5 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 sea temperature in November
Islip, NY
- Average sea temperature in November: 55.5°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in November /
Average sunshine in November
Islip, NY
- Average daylight in November: 9h and 5min
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 November: 5h and 3min
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 November
Islip, NY
- Average sunshine days in November: 19.7 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 November
Islip, NY
- Average UV index in November: 3
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 November
Islip, NY
- Average cloud cover in November: 37
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 November
Islip, NY
- Average visibility in November: 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, New York, USA
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