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, like September, in Trenton, New Jersey, is another comfortable autumn month, with an average temperature ranging between min 49.6°F (9.8°C) and max 64.2°F (17.9°C).

Temperature

In Trenton, New Jersey, the average high-temperature in October drops from a warm 76.1°F (24.5°C) in September to a comfortable 64.2°F (17.9°C). In October, in Trenton, New Jersey, 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 in Trenton.

Rainfall

In Trenton, during October, the rain falls for 12.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. 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 in Trenton, New Jersey, are January through May, October through December. October is the first month it typically snows in Trenton. 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 October, the average length of the day 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

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 the ordinary person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Trenton?

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', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What are the most humid months in Trenton?

The months with the highest humidity in Trenton, New Jersey, are February and October, with an average relative humidity of 78%.

What is the average humidity in October in Trenton?

The average relative humidity in October is 78%.

How much does it rain in Trenton in October?

In Trenton, New Jersey, during October, the rain falls for 12.5 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When does it start to snow in Trenton?

October is the first month it typically snows in Trenton. 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?

The average day length in October is 11h and 7min.

When are sunrise and sunset in October in Trenton?

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

How long on average sun shines in October in Trenton?

The average sunshine duration in October is 5.7h.

How high is the UV index in October in Trenton?

In Trenton, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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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