Islip
New York, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Islip, NY

October, the same as September, is another comfortable autumn month in Islip, New York, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 63°F (17.2°C).

Temperature

In October, the average high-temperature drops, from a moderately hot 73.8°F (23.2°C) in September, to a comfortable 63°F (17.2°C). The average low-temperature, in Islip, is 45.5°F (7.5°C).

Rainfall

In October, the rain falls for 8.5 days. Throughout October, 3.8" (96.3mm) of precipitation is accumulated. Throughout the year, in Islip, there are 118.9 rainfall days, and 46.2" (1174.5mm) of precipitation is accumulated.

Snowfall

In Islip snow does not fall in May through October.

Ocean temperature

In Islip, in October, the average water temperature is 63.7°F (17.6°C).
Note: Swimming in 63.7°F (17.6°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In October, the average length of the day is 11.1h.

What is the temperature in October in Islip?

In Islip, in October, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 45.5°F (7.5°C).

How much does it rain in Islip in October?

In Islip, in October, it is raining for 8.5 days, with typically 3.8" (96.3mm) of accumulated precipitation.

Does it snow in Islip in October?

In Islip, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Islip?

May through October are months without snowfall.

How cold is the water in October in Islip?

In Islip, New York, the average seawater temperature in October is 63.7°F (17.6°C). For most, swimming in 63.7°F (17.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Islip have in October?

In Islip, the average length of the day in October is 11.1h.
Average temperature in October - Islip, NY
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.3°F).

Average rainfall in October - Islip, NY
  • Average rainfall in October: 3.8"

The wettest month (with the highest rainfall) is March (4.4").
The driest month (with the lowest rainfall) is February (3.3").

Average rainfall days in October - Islip, NY
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is April (11.3 days).
Months with the lowest number of rainy days are August and October (8.5 days).

Average snowfall in October - Islip, NY
  • Average snowfall in October: 0"

The month with the highest snowfall is February (7.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in October - Islip, NY
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October - Islip, NY
  • Average sea temperature in October: 63.7°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 October - Islip, NY
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).