October weather forecast and climate
West Islip, NY

October, the same as September, is another comfortable autumn month in West Islip, New York, with average temperature fluctuating between 62.4°F (16.9°C) and 55.8°F (13.2°C).

Temperature

In October, the average high-temperature decreases, from an agreeable 72.3°F (22.4°C) in September, to a comfortable 62.4°F (16.9°C). In October, in West Islip, the average low-temperature is 55.8°F (13.2°C).

Humidity

In October, the average relative humidity in West Islip is 73%.

Rainfall

In West Islip, during 12.9 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In West Islip, during the entire year, the rain falls for 157 days and collects up to 35.98" (914mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in West Islip, New York. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In West Islip, during the entire year, snow falls for 14.4 days, and aggregates up to 6.06" (154mm) of snow.

Daylight

In West Islip, New York, the average length of the day is 11.1h.

Sunshine

In West Islip, New York, the average sunshine is 6h.

UV index

The average daily maximum UV index in West Islip, New York, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in West Islip?

The average high-temperature, in October, in West Islip, is 62.4°F (16.9°C), while the average low-temperature is 55.8°F (13.2°C).

What is the average humidity in October in West Islip?

In October, the average relative humidity in West Islip is 73%.

How many days does it rain in October in West Islip?

In West Islip, New York, in October, it is raining for 12.9 days, with typically 3.35" (85mm) of accumulated precipitation.

When does it start to snow in West Islip?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does West Islip have in October?

The average length of the day in October in West Islip is 11.1h.

How many hours of sunshine does West Islip have in October?

The average sunshine in October is 6h.

How high is the UV index in October in West Islip?

In October, the average daily maximum UV index in West Islip is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in October - West Islip, NY
  • Average high temperature in October: 62.4°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 October: 55.8°F

Months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in October - West Islip, NY
  • Average pressure in October: 30.01"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in October - West Islip, NY
  • Average wind speed in October: 12.1mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in October - West Islip, NY
  • Average humidity in October: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in October - West Islip, NY
  • Average rainfall in October: 3.35"

The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is January (2.2").

Average rainfall days in October - West Islip, NY
  • Average rainfall days in October: 12.9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in October - West Islip, NY
  • Average snowfall in October: 0.2"

The month with the highest snowfall is March (2.17").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October - West Islip, NY
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (4.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - West Islip, NY
  • Average daylight in October: 11.1h

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

  • Average sunshine in October: 6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in October - West Islip, NY
  • Average sunshine days in October: 16.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in October - West Islip, NY
  • Average UV index in October: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in October - West Islip, NY
  • Average cloud cover in October: 40

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 October - West Islip, NY
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).