July weather forecast
Manville, NJ

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Weather in July

July, the same as June, is another warm summer month in Manville, New Jersey, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 84.2°F (29°C).

Temperature

July, on average, is the warmest month, registering a high temperature of 84.2°F (29°C) and a low of 66°F (18.9°C).

Heat index

The heat index value during July is estimated at a hot 93.2°F (34°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Manville, the average relative humidity in July is 75%.

Rainfall

In July, the rain falls for 16.8 days. Throughout July, 2.87" (73mm) of precipitation is accumulated. In Manville, during the entire year, the rain falls for 157.9 days and collects up to 28.19" (716mm) of precipitation.

Snowfall

In Manville, New Jersey, snow does not fall in June through September.

Daylight

The average length of the day in July is 14h and 44min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of July, in Manville, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h 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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What month is the hottest?

Temperature readings in Manville reach their annual highs in July, averaging 84.2°F (29°C) and a minimum average of 66°F (18.9°C).

How hot is July?

In Manville, in July, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is estimated at 93.2°F (34°C).

What is the average humidity in July?

The average relative humidity in July is 75%.

How many days does it rain in July?

In Manville, in July, during 16.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Manville have in July?

The average day length in July is 14h and 44min.

When is the sunrise / sunset in July?

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 Manville, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

What month has the most sunshine?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Manville have in July?

In July, the average sunshine duration in Manville is 10.4h.

What is the month with the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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
Manville, NJ

Average temperature in July - Manville, NJ
  • Average high temperature in July: 84.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in July: 66°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 pressure in July
Manville, NJ

Average pressure in July - Manville, 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).

Average wind speed in July
Manville, NJ

Average wind speed in July - Manville, NJ
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in July
Manville, NJ

Average humidity in July - Manville, NJ
  • Average humidity in July: 75%

The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall in July
Manville, NJ

Average rainfall in July - Manville, NJ
  • Average rainfall in July: 2.87"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in July
Manville, NJ

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (9 days).

Average snowfall in July
Manville, NJ

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

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Manville, NJ

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Manville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Manville, NJ

Average sunshine days in July - Manville, NJ
  • Average sunshine days in July: 12.4 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
Manville, NJ

Average UV index in July - Manville, 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).

Average cloud cover in July
Manville, NJ

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

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in July
Manville, NJ

Average visibility in July - Manville, 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).

Manville, New Jersey, USA

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