October weather forecast
Penns Grove, NJ

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Weather in October

October, like September, in Penns Grove, New Jersey, is another refreshing autumn month, with an average temperature ranging between min 50.7°F (10.4°C) and max 64.9°F (18.3°C).

Temperature

October brings a decrease in the average high-temperature, shifting from a warm 76.5°F (24.7°C) in September to an enjoyable 64.9°F (18.3°C). Penns Grove's nighttime temperature during October is consistently averaged at a cool 50.7°F (10.4°C).

Humidity

The most humid month is October, with an average relative humidity of 78%.

Rainfall

In Penns Grove, in October, during 12.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Penns Grove, during the entire year, the rain falls for 150.6 days and collects up to 26.46" (672mm) of precipitation.

Snowfall

In Penns Grove, snow does not fall in June through October.

Ocean temperature

In Penns Grove, the average seawater temperature in October is 64.2°F (17.9°C).
Note: For most, swimming in 64.2°F (17.9°C) is not a pleasant experience. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes more difficult.

Daylight

The average length of the day in October is 11h and 8min.
On the first day of October in Penns Grove, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:00 pm EDT.

Sunshine

In October, the average sunshine in Penns Grove is 5.7h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The average high-temperature, in October, in Penns Grove, is 64.9°F (18.3°C), while the average low-temperature is 50.7°F (10.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 91.4°F (33°C).

What is the most humid month?

October is the most humid month, with an average relative humidity of 78%.

What is the average humidity in October in Penns Grove?

In October, the average relative humidity is 78%.

How much does it rain in October?

In Penns Grove, in October, it is raining for 12.2 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

Does it snow in October?

In Penns Grove, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October?

In Penns Grove, in October, the average water temperature is 64.2°F (17.9°C). Swimming in 64.2°F (17.9°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Penns Grove have in October?

The average day length in October is 11h and 8min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:00 pm EDT.

How long on average sun shines in October?

In Penns Grove, the average sunshine duration in October is 5.7h.

How high is the UV index in October in Penns Grove?

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Penns Grove, NJ

Average temperature in October - Penns Grove, NJ
  • Average high temperature in October: 64.9°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in October: 50.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in October
Penns Grove, NJ

Average pressure in October - Penns Grove, NJ
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Penns Grove, NJ

Average wind speed in October - Penns Grove, NJ
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in October
Penns Grove, NJ

Average humidity in October - Penns Grove, NJ
  • Average humidity in October: 78%

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

Average rainfall in October
Penns Grove, NJ

Average rainfall in October - Penns Grove, NJ
  • Average rainfall in October: 2.17"

The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in October
Penns Grove, NJ

Average rainfall days in October - Penns Grove, NJ
  • Average rainfall days in October: 12.2 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in October
Penns Grove, NJ

Average snowfall in October - Penns Grove, NJ
  • Average snowfall in October: 0"

The month with the highest snowfall is March (2.2").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Penns Grove, NJ

Average snowfall days in October - Penns Grove, NJ
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in October
Penns Grove, NJ

Average sea temperature in October - Penns Grove, NJ
  • Average sea temperature in October: 64.2°F

The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight in October /
Average sunshine in October
Penns Grove, NJ

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in October
Penns Grove, NJ

Average sunshine days in October - Penns Grove, NJ
  • Average sunshine days in October: 16.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in October
Penns Grove, NJ

Average UV index in October - Penns Grove, NJ
  • Average UV index in October: 4

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, November and December (UV index 2).

Average cloud cover in October
Penns Grove, NJ

Average cloud cover in October - Penns Grove, NJ
  • Average cloud cover in October: 40

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in October
Penns Grove, NJ

Average visibility in October - Penns Grove, NJ
  • Average visibility in October: 6mi

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

Penns Grove, New Jersey, USA

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