October weather forecast
Smithtown, NY

Share

Weather in October

October, the same as September, is another enjoyable autumn month in Smithtown, New York, with an average temperature fluctuating between 62.2°F (16.8°C) and 54.7°F (12.6°C).

Temperature

October brings a drop in Smithtown's average high-temperature, falling from an agreeable 72.3°F (22.4°C) in September to a refreshing 62.2°F (16.8°C). Smithtown in October observes a slight diminution in temperature from daily highs, recording a low-temperature average of 54.7°F (12.6°C).

Humidity

In October, the average relative humidity is 73%.

Rainfall

In Smithtown, in October, during 13.6 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

In Smithtown, snow does not fall in April through October.

Daylight

The average length of the day in October is 11h and 6min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:49 pm EDT.

Sunshine

In Smithtown, the average sunshine in October is 6h.

UV index

In Smithtown, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 in October translates into this advice:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In Smithtown, 62.2°F (16.8°C) is the average high-temperature and 54.7°F (12.6°C) is the average low-temperature during October.

What is the average humidity in October?

The average relative humidity in October is 73%.

How many days does it rain in October?

In Smithtown, in October, it is raining for 13.6 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in October?

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

How many hours of daylight does Smithtown have in October?

In October, the average day length is 11h and 6min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:49 pm EDT.

How many hours of sunshine does Smithtown have in October?

In October, the average sunshine duration is 6h.

What is the UV index reading in October?

In October, the average daily maximum UV index in Smithtown, New York, is 4. A UV Index reading of 3 to 5 represents 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
Smithtown, NY

Average temperature in October - Smithtown, NY
  • Average high temperature in October: 62.2°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in October: 54.7°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in October
Smithtown, NY

Average pressure in October - Smithtown, NY
  • Average pressure in October: 30.01"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 October
Smithtown, NY

Average wind speed in October - Smithtown, NY
  • Average wind speed in October: 11.5mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in October
Smithtown, NY

Average humidity in October - Smithtown, NY
  • Average humidity in October: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in October
Smithtown, NY

Average rainfall in October - Smithtown, NY
  • Average rainfall in October: 3.39"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").

Average rainfall days in October
Smithtown, NY

Average rainfall days in October - Smithtown, NY
  • Average rainfall days in October: 13.6 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in October
Smithtown, NY

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

The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Smithtown, NY

Average snowfall days in October - Smithtown, NY
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Smithtown, NY

Average daylight in October / Average sunshine in October - Smithtown, 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: 6h and 0min

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 October
Smithtown, NY

Average sunshine days in October - Smithtown, NY
  • Average sunshine days in October: 15.9 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in October
Smithtown, NY

Average UV index in October - Smithtown, NY
  • Average UV index in October: 4

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 October
Smithtown, NY

Average cloud cover in October - Smithtown, 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 28).

Average visibility in October
Smithtown, NY

Average visibility in October - Smithtown, 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).

Smithtown, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location