October weather forecast
South Plainfield, NJ

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Weather in October

October, like September, in South Plainfield, New Jersey, is another refreshing autumn month, with an average temperature ranging between max 63.1°F (17.3°C) and min 49.1°F (9.5°C).

Temperature

With October's arrival, South Plainfield's weather changes as the average high-temperature falls from a warm 75.4°F (24.1°C) in September to a refreshing 63.1°F (17.3°C). Throughout the nights in October, an average low-temperature of 49.1°F (9.5°C) is noted in South Plainfield.

Humidity

The months with the highest humidity in South Plainfield are February, October and December, with an average relative humidity of 78%.

Rainfall

In South Plainfield, in October, it is raining for 13.4 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 160.7 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In South Plainfield, during the entire year, snow falls for 25.4 days and aggregates up to 10.31" (262mm) of snow.

Daylight

The average length of the day in October in South Plainfield, New Jersey, is 11h and 7min.
On the first day of October in South Plainfield, New Jersey, sunrise is at 6:54 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:55 pm EDT.

Sunshine

In October, the average sunshine is 5.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 in October translates into this advice:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the average October temperature in South Plainfield?

In October, in South Plainfield, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 49.1°F (9.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What are the most humid months in South Plainfield?

The months with the highest humidity are February, October and December, with an average relative humidity of 78%.

What is the average humidity in October in South Plainfield?

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

How many days does it rain in October in South Plainfield?

In October, in South Plainfield, New Jersey, the rain falls for 13.4 days. Throughout October, 2.83" (72mm) of precipitation is accumulated.

When does it start to snow in South Plainfield?

October is the first month it typically snows in South Plainfield, New Jersey. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does South Plainfield have in October?

In South Plainfield, New Jersey, the average day length in October is 11h and 7min.

When is the sunrise / sunset in October in South Plainfield?

On the first day of October in South Plainfield, sunrise is at 6:54 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:55 pm EDT.

How long on average sun shines in October in South Plainfield?

In October, the average sunshine duration in South Plainfield is 5.7h.

What is the UV index reading in October in South Plainfield?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
South Plainfield, NJ

Average temperature in October - South Plainfield, NJ
  • Average high temperature in October: 63.1°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in October
South Plainfield, NJ

Average pressure in October - South Plainfield, 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).

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Average wind speed in October
South Plainfield, NJ

Average wind speed in October - South Plainfield, NJ
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in October
South Plainfield, NJ

Average humidity in October - South Plainfield, NJ
  • Average humidity in October: 78%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in October
South Plainfield, NJ

Average rainfall in October - South Plainfield, NJ
  • Average rainfall in October: 2.83"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in October
South Plainfield, NJ

Average rainfall days in October - South Plainfield, NJ
  • Average rainfall days in October: 13.4 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in October
South Plainfield, NJ

Average snowfall in October - South Plainfield, NJ
  • Average snowfall in October: 0.12"

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
South Plainfield, NJ

Average snowfall days in October - South Plainfield, NJ
  • Average snowfall days in October: 0.1 days

The months with the highest number of snowfall days are January and February (7.3 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
South Plainfield, NJ

Average daylight in October / Average sunshine in October - South Plainfield, NJ
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in October
South Plainfield, NJ

Average sunshine days in October - South Plainfield, NJ
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in October
South Plainfield, NJ

Average UV index in October - South Plainfield, 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).

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Average cloud cover in October
South Plainfield, NJ

Average cloud cover in October - South Plainfield, NJ
  • Average cloud cover in October: 42

The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in October
South Plainfield, NJ

Average visibility in October - South Plainfield, 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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South Plainfield, New Jersey, USA

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