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

April 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
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).

Temperature

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). The average low-temperature, in Trenton, is 41°F (5°C).

Rainfall

In Trenton, during April, the rain falls for 11 days and regularly aggregates up to 3.5" (89.9mm) of precipitation. Throughout the year, in Trenton, there are 118 rainfall days, and 46.4" (1179.7mm) of precipitation is accumulated.

Daylight

In Trenton, the average length of the day is 13.3h.

Sunshine

In Trenton, the average sunshine is 7.6h.

UV index

In Trenton, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 in April transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in April in Trenton?

In April, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 41°F (5°C).

How many days does it rain in April in Trenton?

In Trenton, during April, the rain falls for 11 days and regularly aggregates up to 3.5" (89.9mm) of precipitation.

What is the average length of the day in April in Trenton?

In April, the average length of the day in Trenton, New Jersey, is 13.3h.

How long on average sun shines in April in Trenton?

The average sunshine in April in Trenton is 7.6h.

What is the UV index reading in April in Trenton?

The average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in April - Trenton, NJ
  • Average high temperature in April: 61.4°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 April: 41°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 April - Trenton, NJ
  • Average rainfall in April: 3.5"

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 April - Trenton, NJ
  • Average rainfall days in April: 11 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 April / Average sunshine in April - Trenton, NJ
  • Average daylight in April: 13.3h

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 April: 7.6h

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 April - Trenton, NJ
  • Average UV index in April: 6

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).