October weather forecast
Hartsdale, NY

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Weather in October

October, like September, in Hartsdale, New York, is another enjoyable autumn month, with an average temperature fluctuating between 62.6°F (17°C) and 49.5°F (9.7°C).

Temperature

The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 75.2°F (24°C) in September to a refreshing 62.6°F (17°C). Throughout the month of October, the average temperature in Hartsdale dips to a frosty 49.5°F (9.7°C) at night.

Humidity

In October, the average relative humidity is 76%.

Rainfall

In Hartsdale, in October, during 11 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Hartsdale, there are 132.4 rainfall days, and 15.63" (397mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Hartsdale. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 6min.
On the first day of October in Hartsdale, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:51 pm EDT.

Sunshine

The average sunshine in October in Hartsdale is 5.8h.

UV index

In Hartsdale, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 during October leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Hartsdale?

The high-temperature, in October, in Hartsdale, is 62.6°F (17°C), while the low-temperature averages to 49.5°F (9.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 87.8°F (31°C).

What is the average humidity in October in Hartsdale?

In Hartsdale, the average relative humidity in October is 76%.

How many days does it rain in October in Hartsdale?

In Hartsdale, in October, during 11 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When does it start to snow in Hartsdale?

October is the first month it typically snows in Hartsdale. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Hartsdale have in October?

In Hartsdale, New York, the average day length in October is 11h and 6min.

When is the sunrise / sunset in October in Hartsdale?

In October, on the first day of the month, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, in Hartsdale, sunrise is at 7:25 am and sunset at 5:51 pm EDT.

How long on average sun shines in October in Hartsdale?

In Hartsdale, New York, the average sunshine duration in October is 5.8h.

What is the UV index intensity in October in Hartsdale?

In October, the average daily maximum UV index in Hartsdale, New York, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Hartsdale, NY

Average temperature in October - Hartsdale, NY
  • Average high temperature in October: 62.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in October: 49.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in October
Hartsdale, NY

Average pressure in October - Hartsdale, 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
Hartsdale, NY

Average wind speed in October - Hartsdale, NY
  • Average wind speed in October: 7.2mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in October
Hartsdale, NY

Average humidity in October - Hartsdale, NY
  • Average humidity in October: 76%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

Average rainfall in October
Hartsdale, NY

Average rainfall in October - Hartsdale, NY
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in October
Hartsdale, NY

Average rainfall days in October - Hartsdale, NY
  • Average rainfall days in October: 11 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in October
Hartsdale, NY

Average snowfall in October - Hartsdale, NY
  • Average snowfall in October: 0.08"

The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Hartsdale, NY

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

The month with the highest number of snowfall days is February (5.2 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
Hartsdale, NY

Average daylight in October / Average sunshine in October - Hartsdale, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Hartsdale, NY

Average sunshine days in October - Hartsdale, NY
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in October
Hartsdale, NY

Average UV index in October - Hartsdale, 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
Hartsdale, NY

Average cloud cover in October - Hartsdale, NY
  • Average cloud cover in October: 42

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in October
Hartsdale, NY

Average visibility in October - Hartsdale, 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).

Hartsdale, New York, USA

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