October weather forecast
Denville, NJ

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Weather in October

October, the same as September, is another enjoyable autumn month in Denville, New Jersey, with an average temperature varying between 46.6°F (8.1°C) and 62.1°F (16.7°C).

Temperature

The shift to October brings a decrease in the average high-temperature, falling from a moderately hot 74.3°F (23.5°C) in September to an enjoyable 62.1°F (16.7°C). In October, the recorded average low-temperature in Denville is a chilly 46.6°F (8.1°C).

Humidity

The months with the highest humidity in Denville are February, October and December, with an average relative humidity of 80%.

Rainfall

In Denville, in October, during 13.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Denville, during the entire year, the rain falls for 161.2 days and collects up to 33.74" (857mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Denville. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 30.9 snowfall days, and 15.79" (401mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 6min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:39 pm. On the last day of October, sunrise is at 7:28 am and sunset at 5:54 pm EDT.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In Denville, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Denville in October?

In October, in Denville, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 46.6°F (8.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 86°F (30°C).

What are the most humid months in Denville?

The months with the highest humidity are February, October and December, with an average relative humidity of 80%.

What is the average humidity in October in Denville?

In October, the average relative humidity is 80%.

How many days does it rain in October in Denville?

In Denville, during October, the rain falls for 13.5 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When does it start snowing in Denville?

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

How many hours of daylight does Denville have in October?

The average day length in October in Denville, New Jersey, is 11h and 6min.

What time are sunrise and sunset in October in Denville?

In October, on the first day of the month, sunrise is at 6:55 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:54 pm EDT.

How many hours of sunshine does Denville have in October?

In Denville, New Jersey, the average sunshine duration in October is 5.4h.

What is the UV index intensity in October in Denville?

The average daily maximum UV index in October in Denville, New Jersey, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Denville, NJ

Average temperature in October - Denville, NJ
  • Average high temperature in October: 62.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in October: 46.6°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in October
Denville, NJ

Average pressure in October - Denville, NJ
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Denville, NJ

Average wind speed in October - Denville, NJ
  • Average wind speed in October: 6.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Denville, NJ

Average humidity in October - Denville, NJ
  • Average humidity in October: 80%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).

Average rainfall in October
Denville, NJ

Average rainfall in October - Denville, NJ
  • Average rainfall in October: 3.31"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in October
Denville, NJ

Average rainfall days in October - Denville, NJ
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in October
Denville, NJ

Average snowfall in October - Denville, NJ
  • Average snowfall in October: 0.2"

The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Denville, NJ

Average snowfall days in October - Denville, NJ
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Denville, NJ

Average daylight in October / Average sunshine in October - Denville, NJ
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in October
Denville, NJ

Average sunshine days in October - Denville, NJ
  • Average sunshine days in October: 15.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in October
Denville, NJ

Average UV index in October - Denville, NJ
  • 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
Denville, NJ

Average cloud cover in October - Denville, NJ
  • Average cloud cover in October: 45

The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in October
Denville, NJ

Average visibility in October - Denville, NJ
  • Average visibility in October: 6mi

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

Denville, New Jersey, USA

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