Climate and monthly weather forecast
Pennington, NJ

Weather in January

January, like December, in Pennington, New Jersey, is a wintry winter month, 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). With an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Pennington, New Jersey, with an average temperature fluctuating between 26.2°F (-3.2°C) and 40.1°F (4.5°C). In Pennington, the average high-temperature in February is essentially the same as in January - a still cold 40.1°F (4.5°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 48.4°F (9.1°C) and 33.1°F (0.6°C). In Pennington, the average high-temperature in March slightly increases from a wintry 40.1°F (4.5°C) in February to a chilly 48.4°F (9.1°C). Weather in March »

Weather in April

April is a moderate spring month in Pennington, New Jersey, with an average temperature varying between 60.4°F (15.8°C) and 43.3°F (6.3°C). In Pennington, the average high-temperature in April rises from a chilly 48.4°F (9.1°C) in March to a moderate 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Pennington, New Jersey, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 70.9°F (21.6°C). In May, the average high-temperature increases 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

June, the first month of the summer in Pennington, is a warm month, with an average temperature fluctuating between 60.8°F (16°C) and 79.3°F (26.3°C). In June, the average high-temperature marginally rises from a pleasant 70.9°F (21.6°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Pennington, New Jersey, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 67.3°F (19.6°C). July is the warmest month, with an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 67.3°F (19.6°C). The average heat index in July is computed to be a tropical 94.1°F (34.5°C). Weather in July »

Weather in August

August, the last month of the summer in Pennington, is another warm month, with an average temperature varying between 82.9°F (28.3°C) and 65.8°F (18.8°C). In August, the average high-temperature is relatively the same as in July - a still warm 82.9°F (28.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Pennington, is also a moderately hot month, 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). In September, the average high-temperature slightly decreases from a warm 82.9°F (28.3°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Pennington, New Jersey, is another comfortable autumn month, with an average temperature ranging between min 49.3°F (9.6°C) and max 63.9°F (17.7°C). In October, the average high-temperature drops from a warm 76.1°F (24.5°C) in September to an enjoyable 63.9°F (17.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Pennington, New Jersey, with an average temperature ranging between min 37.9°F (3.3°C) and max 52°F (11.1°C). In November, the average high-temperature drops from a comfortable 63.9°F (17.7°C) in October to a cool 52°F (11.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Pennington, New Jersey, with an average temperature varying between 31.5°F (-0.3°C) and 42.8°F (6°C). In December, the average high-temperature decreases from a fresh 52°F (11.1°C) in November to a chilly 42.8°F (6°C). Weather in December »
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FAQ

What is the coldest month in Pennington?

The coldest month in Pennington, New Jersey, is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C).

What is the driest month in Pennington?

January is the month with the least rainfall in Pennington. Rain falls for 8.1 days and accumulates 0.87" (22mm) of precipitation.

How many days does it rain in Pennington?

In Pennington, New Jersey, during the entire year, the rain falls for 138.1 days and collects up to 16.5" (419mm) of precipitation.

When does it snow in Pennington?

January through May, November and December are months with snowfall in Pennington, New Jersey.

How many days does it snow in Pennington?

In Pennington, during the entire year, snow falls for 15.6 days and aggregates up to 2.8" (71mm) of snow.

What is the month with the lowest UV index in Pennington?

The months with the lowest UV index in Pennington, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months in Pennington?

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

When does it snow the most in Pennington?

The month with the most snowfall in Pennington, New Jersey, is February, when snow falls for 4.5 days and typically aggregates up to 0.71" (18mm) of snow.

What is the month with the least sunshine in Pennington?

With an average of 4.8h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Pennington?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Pennington, New Jersey, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Pennington?

April and July, with an average relative humidity of 73%, are the least humid months in Pennington, New Jersey.

What are the months with the highest UV index in Pennington?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Pennington, New Jersey.

When it does not snow in Pennington?

June through October are months without snowfall in Pennington.

When are the longest days in Pennington?

The month with the longest days in Pennington, New Jersey, is June, with an average of 15h and 0min of daylight.

What is the warmest month in Pennington?

The warmest month in Pennington is July, with an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 67.3°F (19.6°C).

What is the wettest month in Pennington?

The month with the most rainfall in Pennington, New Jersey, is July, when the rain falls for 15.8 days and typically aggregates up to 2.24" (57mm) of precipitation.

What month has the most sunshine in Pennington?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Pennington.

What is the month with the shortest days in Pennington?

December has the shortest days of the year in Pennington, New Jersey, with an average of 9h and 21min of daylight.

Average temperature
Pennington, NJ

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).

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Average pressure
Pennington, NJ

Average pressure - Pennington, NJ

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
Pennington, NJ

Average wind speed - Pennington, NJ

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).

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Average humidity
Pennington, NJ

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%).

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Average rainfall
Pennington, NJ

Average rainfall - Pennington, NJ

The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days
Pennington, NJ

Average rainfall days - Pennington, NJ

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).

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Average snowfall
Pennington, NJ

Average snowfall - Pennington, NJ

The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Pennington, NJ

Average snowfall days - Pennington, NJ

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).

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Average daylight / Average sunshine
Pennington, NJ

Average daylight / Average sunshine - Pennington, NJ

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 21min).

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
Pennington, NJ

Average sunshine days - Pennington, NJ

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index
Pennington, NJ

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).

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Average visibility
Pennington, NJ

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).

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