July weather forecast
Lambertville, NJ

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Weather in July

July, like June, in Lambertville, New Jersey, is a moderately hot summer month, with an average temperature varying between 84.9°F (29.4°C) and 66.7°F (19.3°C).

Temperature

July registers as the month with the highest average temperatures, reaching 84.9°F (29.4°C) at its peak and 66.7°F (19.3°C) at the lowest.

Heat index

The heat index for July is calculated to be a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The months with the lowest humidity in Lambertville are April and July, with an average relative humidity of 74%.

Rainfall

The month with the most rainfall is July, when the rain falls for 16.8 days and typically aggregates up to 2.99" (76mm) of precipitation.

Snowfall

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

Daylight

In Lambertville, the average length of the day in July is 14h and 43min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:33 pm. On the last day of July, in Lambertville, sunrise is at 5:57 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Lambertville. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during July translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Lambertville?

July, characterized by an average high temperature of 84.9°F (29.4°C) and a low temperature of 66.7°F (19.3°C), is generally the warmest month in Lambertville.

Is it hot in Lambertville during July?

The high-temperature, in July, in Lambertville, records 84.9°F (29.4°C), while the low-temperature is 66.7°F (19.3°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 93.2°F (34°C).

What is the least humid month in Lambertville?

The months with the lowest humidity in Lambertville are April and July, with an average relative humidity of 74%.

What is the average humidity in July in Lambertville?

The average relative humidity in July in Lambertville is 74%.

What is the rainiest month in Lambertville?

The month with the most rainfall is July, when the rain falls for 16.8 days and typically aggregates up to 2.99" (76mm) of precipitation.

How much does it rain in Lambertville in July?

In Lambertville, in July, during 16.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in Lambertville?

June through September are months without snowfall in Lambertville, New Jersey.

How many hours of daylight does Lambertville have in July?

The average day length in July in Lambertville, New Jersey, is 14h and 43min.

What time are sunrise and sunset in July in Lambertville?

On the first day of July in Lambertville, sunrise is at 5:33 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:15 pm EDT.

What month has the most sunshine in Lambertville?

The month with the most sunshine in Lambertville, New Jersey, is July, with an average of 10.5h of sunshine.

How many hours of sunshine does Lambertville have in July?

In Lambertville, the average sunshine duration in July is 10.5h.

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

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Lambertville?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Lambertville, NJ

Average temperature in July - Lambertville, NJ
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in July: 66.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in July
Lambertville, NJ

Average pressure in July - Lambertville, NJ
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Lambertville, NJ

Average wind speed in July - Lambertville, NJ
  • Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in July
Lambertville, NJ

Average humidity in July - Lambertville, NJ
  • Average humidity in July: 74%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in July
Lambertville, NJ

Average rainfall in July - Lambertville, NJ
  • Average rainfall in July: 2.99"

The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in July
Lambertville, NJ

Average rainfall days in July - Lambertville, NJ
  • Average rainfall days in July: 16.8 days

The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in July
Lambertville, NJ

Average snowfall in July - Lambertville, NJ
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Lambertville, NJ

Average snowfall days in July - Lambertville, NJ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Lambertville, NJ

Average daylight in July / Average sunshine in July - Lambertville, NJ
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Lambertville, NJ

Average sunshine days in July - Lambertville, NJ
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in July
Lambertville, NJ

Average UV index in July - Lambertville, NJ
  • Average UV index in July: 6

The months with the highest UV index are May, June, July and August (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
Lambertville, NJ

Average cloud cover in July - Lambertville, NJ
  • Average cloud cover in July: 33

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in July
Lambertville, NJ

Average visibility in July - Lambertville, NJ
  • Average visibility in July: 6mi

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

Lambertville, New Jersey, USA

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