October weather forecast
Plainfield, NJ

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Weather in October

October sees a further decrease in temperature, with the highs dipping to 63.1°F (17.3°C), indicating a steady progression into autumn. An unusual feature is the rise in rainfall during October, with total precipitation reaching 2.83" (72mm). With leaves changing colours throughout Plainfield, October sights are spectacular to witness. The changing weather patterns result in lush landscapes presenting a palette of rich fall colours. Cooler evenings and dwindling daylight hours hint at the approaching winter.

Temperature

Onset of October witnesses a reduction in the average high-temperature, falling from a moderately hot 75.4°F (24.1°C) in September to a comfortable 63.1°F (17.3°C). October generally records an average low-temperature of 49.1°F (9.5°C).

Humidity

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

Rainfall

In October, the rain falls for 13.4 days. Throughout October, 2.83" (72mm) of precipitation is accumulated. In Plainfield, during the entire year, the rain falls for 160.7 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Plainfield. October is the first month it typically snows in Plainfield. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 25.4 snowfall days, and 10.31" (262mm) of snow is accumulated.

Daylight

In October, the average length of the day in Plainfield is 11h and 7min.
On the first day of October in 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 5:54 pm EDT.

Sunshine

The average sunshine in October in Plainfield 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 unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 3 during October leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What are October temperatures in Plainfield?

In Plainfield, 63.1°F (17.3°C) is the average high-temperature and 49.1°F (9.5°C) is the average low-temperature during October. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 87.8°F (31°C).

What are the most humid months in Plainfield?

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

What is the average humidity in October in Plainfield?

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

How many days does it rain in October in Plainfield?

In Plainfield, in October, it is raining for 13.4 days, with typically 2.83" (72mm) of accumulated precipitation.

When does it start to snow in Plainfield?

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

What is the average length of the day in October in Plainfield?

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

What time are sunrise and sunset in October in Plainfield?

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

How long on average sun shines in October in Plainfield?

The average sunshine duration in October in Plainfield is 5.7h.

What is the UV index intensity in October in Plainfield?

In October, the average daily maximum UV index in Plainfield 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Plainfield, NJ

Average temperature in October - 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
Plainfield, NJ

Average pressure in October - 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
Plainfield, NJ

Average wind speed in October - 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
Plainfield, NJ

Average humidity in October - 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
Plainfield, NJ

Average rainfall in October - 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
Plainfield, NJ

Average rainfall days in October - 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
Plainfield, NJ

Average snowfall in October - 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
Plainfield, NJ

Average snowfall days in October - 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
Plainfield, NJ

Average daylight in October / Average sunshine in October - 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
Plainfield, NJ

Average sunshine days in October - 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
Plainfield, NJ

Average UV index in October - 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
Plainfield, NJ

Average cloud cover in October - 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
Plainfield, NJ

Average visibility in October - 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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Plainfield, New Jersey, USA

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