October weather forecast
Trenton, NJ

A full aerial view of Trenton, New Jersey, with the George Washington statue
A full aerial view of Trenton, New Jersey, with the George Washington statue

Weather in October

October, the same as September, is another enjoyable autumn month in Trenton, New Jersey, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 49.6°F (9.8°C).

Temperature

In Trenton, the average high-temperature in October drops from a moderately hot 76.1°F (24.5°C) in September to a comfortable 64.2°F (17.9°C). In October, the average low-temperature is 49.6°F (9.8°C).

Humidity

February and October, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Trenton, in October, during 12.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Trenton, during the entire year, the rain falls for 156.8 days and collects up to 31.81" (808mm) 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 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Trenton, there are 16.6 snowfall days, and 8.86" (225mm) of snow is accumulated.

Daylight

In Trenton, the average length of the day in October is 11h and 7min.
On the first day of October, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:57 pm EDT.

Sunshine

The average sunshine in October in Trenton is 5.7h.

UV index

In Trenton, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Trenton?

In October, the average high-temperature is 64.2°F (17.9°C), and the average low-temperature is 49.6°F (9.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 89.6°F (32°C).

What is the most humid month in Trenton?

February and October, with an average relative humidity of 78%, are most humid months in Trenton, New Jersey.

What is the average humidity in October in Trenton?

In Trenton, New Jersey, the average relative humidity in October is 78%.

How many days does it rain in October in Trenton?

In October, in Trenton, the rain falls for 12.5 days. Throughout October, 2.48" (63mm) of precipitation is accumulated.

When does it start snowing in Trenton?

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

How many hours of daylight does Trenton have in October?

In Trenton, the average day length in October is 11h and 7min.

When is the sunrise / sunset in October in Trenton?

On the first day of October, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:57 pm EDT.

How many hours of sunshine does Trenton have in October?

The average sunshine duration in October is 5.7h.

How high is the UV index in October in Trenton?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Trenton, NJ

Average temperature in October - Trenton, NJ
  • Average high temperature in October: 64.2°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in October: 49.6°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in October
Trenton, NJ

Average pressure in October - Trenton, NJ
  • Average pressure in October: 30.03"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).

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Average wind speed in October
Trenton, NJ

Average wind speed in October - Trenton, NJ
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in October
Trenton, NJ

Average humidity in October - Trenton, NJ
  • Average humidity in October: 78%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in October
Trenton, NJ

Average rainfall in October - Trenton, NJ
  • Average rainfall in October: 2.48"

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in October
Trenton, NJ

Average rainfall days in October - Trenton, NJ
  • Average rainfall days in October: 12.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in October
Trenton, NJ

Average snowfall in October - Trenton, NJ
  • Average snowfall in October: 0.08"

The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Trenton, NJ

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

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

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

Average daylight in October / Average sunshine in October - Trenton, NJ
  • Average daylight in October: 11h and 7min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

  • Average sunshine in October: 5h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in October
Trenton, NJ

Average sunshine days in October - Trenton, NJ
  • Average sunshine days in October: 16.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in October
Trenton, NJ

Average UV index in October - Trenton, NJ
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in October
Trenton, NJ

Average cloud cover in October - Trenton, NJ
  • Average cloud cover in October: 41

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in October
Trenton, NJ

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

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

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