October weather forecast
Derby, NY

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Weather in October

October, like September, is a moderate autumn month in Derby, New York, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 45.5°F (7.5°C).

Temperature

The transition into October involves a decrease in the average high-temperature, falling from an agreeable 70.2°F (21.2°C) in September to a refreshing 57.9°F (14.4°C). During the nights in October, Derby experiences a consistent average temperature of 45.5°F (7.5°C).

Humidity

The average relative humidity in October is 79%.

Rainfall

In October, the rain falls for 18.1 days. Throughout October, 2.24" (57mm) of precipitation is accumulated. In Derby, during the entire year, the rain falls for 160.5 days and collects up to 24.17" (614mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. In Derby, during the entire year, snow falls for 62.9 days and aggregates up to 19.65" (499mm) of snow.

Daylight

In October, the average length of the day is 11h and 2min.
On the first day of the month, sunrise is at 7:13 am and sunset at 6:56 pm. On the last day of October, in Derby, sunrise is at 7:49 am and sunset at 6:09 pm EDT.

Sunshine

In October, the average sunshine is 4.6h.

UV index

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: During October, 2 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The high-temperature, in October, in Derby, is 57.9°F (14.4°C), while the low-temperature averages to 45.5°F (7.5°C).

What is the average humidity in October?

In October, the average relative humidity is 79%.

How much does it rain in October?

In Derby, during October, the rain falls for 18.1 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow.

What is the average length of the day in October in Derby?

The average day length in October is 11h and 2min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:13 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 6:09 pm EDT.

How many hours of sunshine does Derby have in October?

The average sunshine duration in October is 4.6h.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Derby, NY

Average temperature in October - Derby, NY
  • Average high temperature in October: 57.9°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in October
Derby, NY

Average pressure in October - Derby, 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
Derby, NY

Average wind speed in October - Derby, NY
  • Average wind speed in October: 9.5mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in October
Derby, NY

Average humidity in October - Derby, NY
  • Average humidity in October: 79%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are August and September (78%).

Average rainfall in October
Derby, NY

Average rainfall in October - Derby, NY
  • Average rainfall in October: 2.24"

The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days in October
Derby, NY

Average rainfall days in October - Derby, NY
  • Average rainfall days in October: 18.1 days

The months with the highest number of rainy days are July and October (18.1 days).
The month with the least rainy days is February (7 days).

Average snowfall in October
Derby, NY

Average snowfall in October - Derby, NY
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Derby, NY

Average snowfall days in October - Derby, NY
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Derby, NY
  • Average daylight in October: 11h and 0min

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

  • Average sunshine in October: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in October
Derby, NY

Average sunshine days in October - Derby, NY
  • Average sunshine days in October: 11.6 days

The month with the most sunshine days is March (13 days).
The month with the least sunshine days is January (8.3 days).

Average UV index in October
Derby, NY

Average UV index in October - Derby, NY
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Derby, NY

Average cloud cover in October - Derby, NY
  • Average cloud cover in October: 50

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in October
Derby, NY

Average visibility in October - Derby, NY
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Derby, New York, USA

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