October weather forecast
Locust Valley, NY

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Weather in October

October, like September, in Locust Valley, New York, is another refreshing autumn month, with an average temperature fluctuating between 63°F (17.2°C) and 53.4°F (11.9°C).

Temperature

Observing a mild shift, the average high-temperature during October reduces from September's warm 73.4°F (23°C) to a comfortable 63°F (17.2°C). Locust Valley experiences a consistent average temperature of 53.4°F (11.9°C) throughout the nights in October.

Humidity

In Locust Valley, New York, the average relative humidity in October is 73%.

Rainfall

In Locust Valley, in October, during 13.5 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, in Locust Valley, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In October, the average length of the day in Locust Valley is 11h and 6min.
On the first day of October, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:51 pm EDT.

Sunshine

In Locust Valley, the average sunshine in October is 5.9h.

UV index

In Locust Valley, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Locust Valley in October?

October temperatures vary between a high-temperature of 63°F (17.2°C) and a low-temperature of 53.4°F (11.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 86°F (30°C).

What is the average humidity in October in Locust Valley?

The average relative humidity in October in Locust Valley is 73%.

How much does it rain in Locust Valley in October?

In Locust Valley, in October, during 13.5 rainfall days, 3.39" (86mm) of precipitation is typically accumulated.

When it does not snow in Locust Valley?

In Locust Valley, snow does not fall in May through October.

Does it snow in Locust Valley in October?

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

How many hours of daylight does Locust Valley have in October?

The average day length in October in Locust Valley, New York, is 11h and 6min.

When is the sunrise / sunset in October in Locust Valley?

On the first day of October in Locust Valley, New York, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:51 pm EDT.

How many hours of sunshine does Locust Valley have in October?

The average sunshine duration in October in Locust Valley, New York, is 5.9h.

How high is the UV index in October in Locust Valley?

The average daily maximum UV index in October in Locust Valley is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Locust Valley, NY

Average temperature in October - Locust Valley, NY
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in October: 53.4°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in October
Locust Valley, NY

Average pressure in October - Locust Valley, NY
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Locust Valley, NY

Average wind speed in October - Locust Valley, NY
  • Average wind speed in October: 10mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in October
Locust Valley, NY

Average humidity in October - Locust Valley, NY
  • Average humidity in October: 73%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in October
Locust Valley, NY

Average rainfall in October - Locust Valley, NY
  • Average rainfall in October: 3.39"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in October
Locust Valley, NY

Average rainfall days in October - Locust Valley, NY
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in October
Locust Valley, NY

Average snowfall in October - Locust Valley, NY
  • Average snowfall in October: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Locust Valley, NY

Average snowfall days in October - Locust Valley, NY
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Locust Valley, NY

Average daylight in October / Average sunshine in October - Locust Valley, NY
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in October
Locust Valley, NY

Average sunshine days in October - Locust Valley, NY
  • Average sunshine days in October: 15.3 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in October
Locust Valley, NY

Average UV index in October - Locust Valley, NY
  • Average UV index in October: 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, November and December (UV index 2).

Average cloud cover in October
Locust Valley, NY

Average cloud cover in October - Locust Valley, NY
  • Average cloud cover in October: 40

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in October
Locust Valley, NY

Average visibility in October - Locust Valley, NY
  • Average visibility in October: 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).

Locust Valley, New York, USA

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