Trenton
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Trenton, NJ

A full aerial view of Trenton, New Jersey, with the George Washington statue
A full aerial view of Trenton, New Jersey, with the George Washington statue
January, like December, in Trenton, New Jersey, is a wintry winter month, with average temperature ranging between max 39°F (3.9°C) and min 23.2°F (-4.9°C). With an average high-temperature of 39°F (3.9°C) and an average low-temperature of 23.2°F (-4.9°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Trenton, is another cold month, with average temperature ranging between max 42.3°F (5.7°C) and min 25.9°F (-3.4°C). In February, the average high-temperature is practically the same as in January - a still cold 42.3°F (5.7°C). Weather in February »

The first month of the spring, March, is a cool month in Trenton, New Jersey, with average temperature fluctuating between 31.8°F (-0.1°C) and 50.9°F (10.5°C). In March, the average high-temperature slightly increases, from a wintry 42.3°F (5.7°C) in February, to a cool 50.9°F (10.5°C). Weather in March »

April is an enjoyable spring month in Trenton, New Jersey, with average temperature ranging between max 61.3°F (16.3°C) and min 41°F (5°C). In April, the average high-temperature increases, from a cool 50.9°F (10.5°C) in March, to a comfortable 61.3°F (16.3°C). Weather in April »

May, the last month of the spring, in Trenton, is an agreeable month, with average temperature fluctuating between 50.5°F (10.3°C) and 71.8°F (22.1°C). In Trenton, the average high-temperature rises, from an enjoyable 61.3°F (16.3°C) in April, to an agreeable 71.8°F (22.1°C). Weather in May »

June, the first month of the summer, in Trenton, is a moderately hot month, with average temperature ranging between max 80.8°F (27.1°C) and min 60.3°F (15.7°C). In Trenton, the average high-temperature rises, from a pleasant 71.8°F (22.1°C) in May, to a warm 80.8°F (27.1°C). Weather in June »

July, the same as June, is another warm summer month in Trenton, New Jersey, with average temperature varying between 85.3°F (29.6°C) and 66°F (18.9°C). July is the warmest month, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 66°F (18.9°C). July is the month with the most rainfall. Weather in July »

August, the last month of the summer, in Trenton, is also a moderately hot month, with average temperature varying between 64.2°F (17.9°C) and 83.7°F (28.7°C). In Trenton, the average high-temperature is almost the same as in July - a still moderately hot 83.7°F (28.7°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Trenton, New Jersey, with average temperature varying between 56.5°F (13.6°C) and 76.1°F (24.5°C). In Trenton, the average high-temperature marginally drops, from a warm 83.7°F (28.7°C) in August, to a still moderately hot 76.1°F (24.5°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Trenton, New Jersey, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 44.2°F (6.8°C). In Trenton, the average high-temperature decreases, from a moderately hot 76.1°F (24.5°C) in September, to an enjoyable 64.9°F (18.3°C). Weather in October »

November, the last month of the autumn, in Trenton, is another cool month, with average temperature varying between 36.9°F (2.7°C) and 54.5°F (12.5°C). In Trenton, the average high-temperature drops, from a comfortable 64.9°F (18.3°C) in October, to a cool 54.5°F (12.5°C). Weather in November »

December, the first month of the winter, in Trenton, is also a frosty month, with average temperature fluctuating between 27.7°F (-2.4°C) and 43.2°F (6.2°C). In Trenton, the average high-temperature drops, from a cool 54.5°F (12.5°C) in November, to a chilly 43.2°F (6.2°C). Weather in December »

What is the coldest month in Trenton?

January is the coldest month in Trenton, New Jersey, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 23.2°F (-4.9°C).

How much does it rain in Trenton?

Throughout the year, there are 118 rainfall days, and 46.4" (1179.7mm) of precipitation is accumulated.

What are the months with the lowest UV index in Trenton?

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

What is the driest month in Trenton?

February is the month with the least rainfall in Trenton, New Jersey. Rain falls for 10 days and accumulates 2.3" (58.7mm) of precipitation.

When are the longest days in Trenton?

The month with the longest days is June, with an average of 15h of daylight.

What month has the most sunshine in Trenton?

With an average of 8.8h of sunshine, June has the most sunshine of the year in Trenton.

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

Months with the highest UV index in Trenton, New Jersey, are June and July, with an average maximum UV index of 9.

What is the warmest month in Trenton?

July is the warmest month, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 66°F (18.9°C).

What is the rainiest month in Trenton?

July is the month with the most rainfall in Trenton, New Jersey. Rain falls for 9 days and accumulates 4.9" (125.7mm) of precipitation.

What is the month with the shortest days in Trenton?

The month with the shortest days is December, with an average of 9.4h of daylight.

What is the month with the least sunshine in Trenton?

With an average of 4.5h of sunshine, December has the least sunshine of the year in Trenton, New Jersey.
Average rainfall - Trenton, NJ

The wettest month (with the highest rainfall) is July (125.7mm).
The driest month (with the lowest rainfall) is February (58.7mm).

Average rainfall days - Trenton, NJ

Months with the highest number of rainy days are March, April, May and December (11 days).
Months with the lowest number of rainy days are September and October (8 days).

Average daylight / Average sunshine - Trenton, NJ