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

August 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
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).

Temperature

In Trenton, the average high-temperature is almost the same as in July - a still moderately hot 83.7°F (28.7°C). The average low-temperature, in Trenton, is 64.2°F (17.9°C).

Rainfall

In Trenton, New Jersey, during 9 rainfall days, 4.1" (104.1mm) of precipitation is typically accumulated. In Trenton, during the entire year, the rain falls for 118 days and collects up to 46.4" (1179.7mm) of precipitation.

Daylight

The average length of the day in Trenton is 13.7h.

Sunshine

The average sunshine in Trenton is 8.1h.

UV index

In Trenton, the average daily maximum UV index in August is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 8 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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 August in Trenton?

In Trenton, in August, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 64.2°F (17.9°C).

How many days does it rain in August in Trenton?

In Trenton, New Jersey, in August, it is raining for 9 days, with typically 4.1" (104.1mm) of accumulated precipitation.

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

In Trenton, the average length of the day in August is 13.7h.

How many hours of sunshine does Trenton have in August?

In Trenton, New Jersey, the average sunshine in August is 8.1h.

How high is the UV index in August in Trenton?

In August, the average daily maximum UV index in Trenton, New Jersey, is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in August - Trenton, NJ
  • Average high temperature in August: 83.6°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 August: 64.2°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 August - Trenton, NJ
  • Average rainfall in August: 4.1"

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 August - Trenton, NJ
  • Average rainfall days in August: 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 August / Average sunshine in August - Trenton, NJ
  • Average daylight in August: 13.7h

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 August: 8.1h

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 August - Trenton, NJ
  • Average UV index in August: 8

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).