July weather forecast
Trenton, PA

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Weather in July

July, the same as June, is another warm summer month in Trenton, Pennsylvania, with an average temperature fluctuating between 81°F (27.2°C) and 61.5°F (16.4°C).

Temperature

July stands out as Trenton's warmest month, with an average high-temperature of 81°F (27.2°C) and a low-temperature of 61.5°F (16.4°C).

Heat index

The heat index value for July is calculated to be a tropical 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In Trenton, the average relative humidity in July is 78%.

Rainfall

In Trenton, in July, during 14.4 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Trenton, Pennsylvania, during the entire year, the rain falls for 139.8 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

In Trenton, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 46min.
On the first day of July, sunrise is at 5:36 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:20 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h of sunshine.

UV index

In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in July translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July is the warmest month, with the temperature often reaching an average high of 81°F (27.2°C) and an average low of 61.5°F (16.4°C).

What is the usual temperature for Trenton in July?

In July, the average high-temperature and low-temperature are 81°F (27.2°C) and 61.5°F (16.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

What is the average humidity in July?

In Trenton, Pennsylvania, the average relative humidity in July is 78%.

How many days does it rain in July?

In Trenton, in July, during 14.4 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow?

In Trenton, snow does not fall in June through September.

How many hours of daylight does Trenton have in July?

The average day length in July is 14h and 46min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:36 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:20 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

How many hours of sunshine does Trenton have in July?

The average sunshine duration in July is 10.4h.

What is the UV index reading in July?

The average daily maximum UV index in July in Trenton, Pennsylvania, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Trenton, PA

Average temperature in July - Trenton, PA
  • Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in July: 61.5°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in July
Trenton, PA

Average pressure in July - Trenton, PA
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Trenton, PA

Average wind speed in July - Trenton, PA
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in July
Trenton, PA

Average humidity in July - Trenton, PA
  • Average humidity in July: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in July
Trenton, PA

Average rainfall in July - Trenton, PA
  • Average rainfall in July: 2.28"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in July
Trenton, PA

Average rainfall days in July - Trenton, PA
  • Average rainfall days in July: 14.4 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in July
Trenton, PA

Average snowfall in July - Trenton, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Trenton, PA

Average snowfall days in July - Trenton, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Trenton, PA

Average daylight in July / Average sunshine in July - Trenton, PA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

Average sunshine days in July
Trenton, PA

Average sunshine days in July - Trenton, PA
  • Average sunshine days in July: 12.7 days

The months with the most sunshine days are January and November (19.6 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in July
Trenton, PA

Average UV index in July - Trenton, PA
  • Average UV index in July: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in July
Trenton, PA

Average cloud cover in July - Trenton, PA
  • Average cloud cover in July: 33

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in July
Trenton, PA

Average visibility in July - Trenton, PA
  • Average visibility in July: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

Trenton, Pennsylvania, USA

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