July weather forecast
Martinsville, NJ

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Weather in July

July, the same as June, is another warm summer month in Martinsville, New Jersey, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.4°F (29.1°C).

Temperature

July registers as the month with the highest average temperatures, reaching 84.4°F (29.1°C) at its peak and 66.6°F (19.2°C) at the lowest.

Heat index

July's heat index is computed to be a hot 93.2°F (34°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In July, the average relative humidity in Martinsville is 74%.

Rainfall

In July, in Martinsville, the rain falls for 16.4 days. Throughout July, 3.03" (77mm) of precipitation is accumulated. Throughout the year, in Martinsville, New Jersey, there are 155.4 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 44min.
On the first day of July, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:14 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What part of the year is the hottest in Martinsville?

July, marked by an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 66.6°F (19.2°C), is the warmest month.

How hot is it in Martinsville in July?

In July, in Martinsville, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is computed to be 93.2°F (34°C).

What is the average humidity in July in Martinsville?

In Martinsville, New Jersey, the average relative humidity in July is 74%.

How much does it rain in Martinsville in July?

In July, in Martinsville, the rain falls for 16.4 days. Throughout July, 3.03" (77mm) of precipitation is accumulated.

When it does not snow in Martinsville?

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

What is the average length of the day in July in Martinsville?

In Martinsville, the average day length in July is 14h and 44min.

When is the sunrise / sunset in July in Martinsville?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, in Martinsville, sunrise is at 5:54 am and sunset at 8:14 pm EDT.

What month has the most sunshine in Martinsville?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Martinsville have in July?

In July, the average sunshine duration is 10.3h.

When is the highest UV index in Martinsville?

The months with the highest UV index in Martinsville, New Jersey, are June through August, with an average maximum UV index of 6.

What is the UV index reading in July in Martinsville?

In July, the average daily maximum UV index in Martinsville, New Jersey, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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
Martinsville, NJ

Average temperature in July - Martinsville, NJ
  • Average high temperature in July: 84.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in July: 66.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in July
Martinsville, NJ

Average pressure in July - Martinsville, 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 (29.93"Hg).

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Average wind speed in July
Martinsville, NJ

Average wind speed in July - Martinsville, NJ
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in July
Martinsville, NJ

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

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in July
Martinsville, NJ

Average rainfall in July - Martinsville, NJ
  • Average rainfall in July: 3.03"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in July
Martinsville, NJ

Average rainfall days in July - Martinsville, NJ
  • Average rainfall days in July: 16.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in July
Martinsville, NJ

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Martinsville, NJ

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Martinsville, 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 18min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in July
Martinsville, NJ

Average sunshine days in July - Martinsville, NJ
  • Average sunshine days in July: 13.1 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in July
Martinsville, NJ

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

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

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Average cloud cover in July
Martinsville, NJ

Average cloud cover in July - Martinsville, NJ
  • Average cloud cover in July: 34

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in July
Martinsville, NJ

Average visibility in July - Martinsville, 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).

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Martinsville, New Jersey, USA

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