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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Penns Grove, New Jersey, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37.9°F (3.3°C). January stands out as Penns Grove's coldest month, with an average high-temperature of 37.9°F (3.3°C) and a low-temperature of 26.2°F (-3.2°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Penns Grove, New Jersey, with an average temperature ranging between max 41.7°F (5.4°C) and min 28.6°F (-1.9°C). With the advent of February, Penns Grove's high-temperatures adjust to a still cold 41.7°F (5.4°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Penns Grove, is a frosty month, with an average temperature varying between 35.2°F (1.8°C) and 49.8°F (9.9°C). In Penns Grove, the average high-temperature in March slightly increases from an icy 41.7°F (5.4°C) in February to a chilly 49.8°F (9.9°C). Weather in March »
Weather in April
April in Penns Grove, New Jersey, is a comfortable spring month, with an average temperature fluctuating between 45.3°F (7.4°C) and 61.7°F (16.5°C). The arrival of April signals an increase in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in March to a refreshing 61.7°F (16.5°C). Weather in April »
Weather in May
May, the last month of the spring in Penns Grove, is an agreeable month, with an average temperature fluctuating between 55.2°F (12.9°C) and 72°F (22.2°C). May sees a rise in the average high-temperature, climbing from a comfortable 61.7°F (16.5°C) in April to an agreeable 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Penns Grove, is a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.2°F (26.8°C). June's arrival brings a modest temperature shift, moving from a pleasant 72°F (22.2°C) in May to a warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Penns Grove, New Jersey, with an average temperature fluctuating between 85.3°F (29.6°C) and 68.5°F (20.3°C). Penns Grove experiences its highest average temperatures in July, reaching a peak of 85.3°F (29.6°C) and a minimum of 68.5°F (20.3°C). July's heat index is estimated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Penns Grove, is another warm month, with an average temperature ranging between min 67.3°F (19.6°C) and max 83.5°F (28.6°C). Penns Grove's average high-temperature in August is a still warm 83.5°F (28.6°C), marking an insignificant difference from the 85.3°F (29.6°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Penns Grove, is still a warm month, with an average temperature fluctuating between 76.5°F (24.7°C) and 60.8°F (16°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's 83.5°F (28.6°C) to a still warm 76.5°F (24.7°C). Weather in September »
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). 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). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Penns Grove, New Jersey, with an average temperature ranging between min 39.6°F (4.2°C) and max 53.2°F (11.8°C). Penns Grove's average high-temperature decreases in November, falling from a comfortable 64.9°F (18.3°C) in October to a fresh 53.2°F (11.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Penns Grove, New Jersey, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 44.1°F (6.7°C). In Penns Grove, the average high-temperature in December drops from a fresh 53.2°F (11.8°C) in November to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Penns Grove's coldest temperatures are experienced in January, with average high temperatures of 37.9°F (3.3°C) and lows of 26.2°F (-3.2°C).
How many days does it rain?
In Penns Grove, during the entire year, the rain falls for 150.6 days and collects up to 26.46" (672mm) of precipitation.
When does it snow?
January through May, November and December are months with snowfall.
How many days does it snow in Penns Grove?
Throughout the year, there are 16.2 snowfall days, and 6.93" (176mm) of snow is accumulated.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What month is the ocean coldest?
With an average ocean temperature of 39.9°F (4.4°C), February is the month with the coldest seawater.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.9h of sunshine.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 3.1 days and typically aggregates up to 2.2" (56mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Penns Grove?
April is the least humid month, with an average relative humidity of 72%.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow?
In Penns Grove, snow does not fall in June through October.
When are the longest days in Penns Grove?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What part of the year is the hottest?
In Penns Grove, the peak temperatures are generally noted in July, averaging a high of 85.3°F (29.6°C) and a low of 68.5°F (20.3°C).
What month has the most sunshine?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 13.8 days and typically aggregates up to 2.68" (68mm) of precipitation.
What is the month with the warmest ocean?
August is the month with the warmest seawater, with an average ocean temperature of 75.9°F (24.4°C).
What is the driest month?
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.61" (41mm) of precipitation.
What is the most humid month in Penns Grove?
October is the most humid month, with an average relative humidity of 78%.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Penns Grove, NJ
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).
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
Penns Grove, NJ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Penns Grove, NJ
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8mph
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
Penns Grove, NJ
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Penns Grove, NJ
- Average rainfall in January:
1.77" - Average rainfall in February:
2.17" - Average rainfall in March:
2.56" - Average rainfall in April:
2.09" - Average rainfall in May:
2.36" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.68" - Average rainfall in September:
1.61" - Average rainfall in October:
2.17" - Average rainfall in November:
1.73" - Average rainfall in December:
2.64"
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
Penns Grove, NJ
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.1 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
Penns Grove, NJ
- Average snowfall in January:
1.57" - Average snowfall in February:
1.65" - Average snowfall in March:
2.2" - Average snowfall in April:
0.08" - Average snowfall in May:
0.12" - Average snowfall in June:
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
Penns Grove, NJ
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.9 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
Penns Grove, NJ
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 / Average sunshine
Penns Grove, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
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
Penns Grove, NJ
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.5 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
Penns Grove, NJ
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
Penns Grove, NJ
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
Penns Grove, NJ
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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