July 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

What is the warmest month in Trenton?

The warmest month in Trenton is July, 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 temperature in July in Trenton?

The average high-temperature, in July, in Trenton, New Jersey, is 85.3°F (29.6°C), while the average low-temperature is 66°F (18.9°C).

How many days does it rain in July in Trenton?

In July, in Trenton, the rain falls for 9 days. Throughout July, 4.9" (125.7mm) of precipitation is accumulated.

What is the wettest month in Trenton?

The month with the most rainfall in Trenton, New Jersey, is July when the rain falls for 9 days and typically aggregates up to 4.9" (125.7mm) of precipitation.
Average temperature in July - Trenton, NJ
  • Average high temperature in July: 85.3°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 (39°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average rainfall in July - Trenton, NJ
  • Average rainfall in July: 5"

The wettest month (with the highest rainfall) is July (5").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in July - Trenton, NJ
  • Average rainfall days in July: 9 days

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 in July / Average sunshine in July - Trenton, NJ
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 8.7h

The month with most sunshine is June (Average sunshine: 8.8h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in July - Trenton, NJ
  • Average UV index in July: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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