October weather forecast and climate
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 comfortable 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 October, the average high-temperature drops, from a warm 76.1°F (24.5°C) in September, to an enjoyable 64.2°F (17.9°C). 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 most humid months in Trenton.

Rainfall

In Trenton, New Jersey, in October, during 12.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 156.8 rainfall days, and 31.81" (808mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. 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, there are 16.6 snowfall days, and 8.86" (225mm) of snow is accumulated.

Daylight

The average length of the day in October is 11.1h.

Sunshine

In Trenton, the average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index in Trenton is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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).

What is the most humid month in Trenton?

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

What is the average humidity in October in Trenton?

The average relative humidity in October in Trenton is 78%.

How many days does it rain in October in Trenton?

In Trenton, New Jersey, in October, during 12.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When does it start snowing in Trenton?

October is the first month it typically snows. 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 length of the day in October in Trenton is 11.1h.

How long on average sun shines in October in Trenton?

In Trenton, the average sunshine in October is 5.7h.

What is the UV index reading in October in Trenton?

The average daily maximum UV index in October in Trenton, New Jersey, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

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"

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

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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%

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").
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).
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: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 5.7h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the most cloud cover are February, March and December (Cloud cover 47).
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

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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