Climate and monthly weather forecastPennington, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Pennington, New Jersey, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 24.3°F (-4.3°C). Pennington's January weather, with an average high temperature of 36.9°F (2.7°C) and an average low temperature of 24.3°F (-4.3°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Pennington, is also an icy month, with an average temperature ranging between min 26.2°F (-3.2°C) and max 40.1°F (4.5°C). The shift into February records an average high-temperature of a still cold 40.1°F (4.5°C), subtly varied from January's 36.9°F (2.7°C). Weather in February »Weather in March
March, the first month of the spring in Pennington, is a frosty month, with an average temperature varying between 33.1°F (0.6°C) and 48.4°F (9.1°C). A subtle rise in the average high-temperature is observed during March, adjusting from a cold 40.1°F (4.5°C) in February to a frosty 48.4°F (9.1°C). Weather in March »Weather in April
April is a moderate spring month in Pennington, New Jersey, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 43.3°F (6.3°C). As Pennington enters April, the average high-temperature increases from the a chilly 48.4°F (9.1°C) of March to a refreshing 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Pennington, New Jersey, with an average temperature ranging between max 70.9°F (21.6°C) and min 53.2°F (11.8°C). May's onset brings a temperature rise, moving from a moderate 60.4°F (15.8°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Pennington, New Jersey, with an average temperature varying between 79.3°F (26.3°C) and 60.8°F (16°C). With the onset of June, Pennington's average high-temperature sees a modest rise, moving from May's pleasant 70.9°F (21.6°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Pennington, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 85.1°F (29.5°C) and 67.3°F (19.6°C). Pennington's July weather reaches an average high of 85.1°F (29.5°C) and an average low of 67.3°F (19.6°C), making it the warmest month. July's mean heat index is computed to be a sweltering 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Pennington, is another warm month, with an average temperature ranging between min 65.8°F (18.8°C) and max 82.9°F (28.3°C). The advent of August denotes an average high-temperature of a still warm 82.9°F (28.3°C), subtly different from July's 85.1°F (29.5°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Pennington, New Jersey, with temperature in the range of an average low of 59°F (15°C) and an average high of 76.1°F (24.5°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 82.9°F (28.3°C) in August to a still warm 76.1°F (24.5°C). Weather in September »Weather in October
October, like September, in Pennington, New Jersey, is another refreshing autumn month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 63.9°F (17.7°C). The onset of October introduces a moderate change in Pennington's weather, with average high-temperatures falling from September's moderately hot 76.1°F (24.5°C) to a comfortable 63.9°F (17.7°C). Weather in October »Weather in November
November, the last month of the autumn in Pennington, is also a fresh month, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 37.9°F (3.3°C). November is characterized by a reduction in the average high-temperature, from a refreshing 63.9°F (17.7°C) in October to a fresh 52°F (11.1°C). Weather in November »Weather in December
December, the first month of the winter in Pennington, is still a chilly month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 31.5°F (-0.3°C). In Pennington, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 52°F (11.1°C) to a frosty 42.8°F (6°C). Weather in December »Updated: Aug 17, 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
Temperature records in Pennington mark January as the coldest month, with highs averaging 36.9°F (2.7°C) and lows at 24.3°F (-4.3°C).
January is the month with the least rainfall. Rain falls for 8.1 days and accumulates 0.87" (22mm) of precipitation.
In Pennington, during the entire year, the rain falls for 138.1 days and collects up to 16.5" (419mm) of precipitation.
Months with snowfall are January through May, November and December.
In Pennington, New Jersey, during the entire year, snow falls for 15.6 days and aggregates up to 2.8" (71mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February, October and December, with an average relative humidity of 78%, are most humid months.
February is the month with the most snowfall. Snow falls for 4.5 days and accumulates 0.71" (18mm) of snow.
February has the least sunshine of the year, with an average of 4.8h of sunshine.
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.
April and July, with an average relative humidity of 73%, are the least humid months.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through October are months without snowfall.
The month with the longest days is June, with an average of 15h and 0min of daylight.
Pennington's warmest temperatures are experienced in July, with average high temperatures of 85.1°F (29.5°C) and lows of 67.3°F (19.6°C).
July is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.24" (57mm) of precipitation.
July has the most sunshine of the year in Pennington, with an average of 10.6h of sunshine.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Pennington, NJ
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).
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Pennington, NJ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"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).
Average wind speed
Pennington, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Pennington, NJ
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall
Pennington, NJ
- Average rainfall in January:
0.87" - Average rainfall in February:
0.94" - Average rainfall in March:
1.18" - Average rainfall in April:
1.26" - Average rainfall in May:
1.85" - Average rainfall in June:
1.57"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.85" - Average rainfall in September:
0.98" - Average rainfall in October:
1.22" - Average rainfall in November:
1.1" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days
Pennington, NJ
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (7.2 days).
Average snowfall
Pennington, NJ
- Average snowfall in January:
0.43" - Average snowfall in February:
0.71" - Average snowfall in March:
0.67" - Average snowfall in April:
0.08" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Pennington, NJ
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Pennington, NJ
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Pennington, NJ
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Pennington, 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, March, November and December (UV index 2).
Average cloud cover
Pennington, NJ
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Pennington, NJ
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).
