July weather forecast and climate
Holmdel, NJ

July, the same as June, is a moderately hot summer month in Holmdel, New Jersey, with average temperature ranging between max 81.7°F (27.6°C) and min 69.8°F (21°C).

Temperature

July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 69.8°F (21°C).

Heat index

In July, the average heat index is evaluated at a hot 87.1°F (30.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like metabolic differences, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in July is 76%.

Rainfall

July is the month with the most rainfall in Holmdel. Rain falls for 8 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

In Holmdel snow does not fall in April through November.

Daylight

In July, the average length of the day is 14.7h.

Sunshine

July has the most sunshine of the year, with an average of 10.8h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Holmdel. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the warmest month in Holmdel?

July is the warmest month in Holmdel, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 69.8°F (21°C).

What is the temperature in July in Holmdel?

In July, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 69.8°F (21°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), that combines air temperature and relative humidity, is calculated to 87.1°F (30.6°C).

What is the average humidity in July in Holmdel?

The average relative humidity in July in Holmdel, New Jersey, is 76%.

How many days does it rain in July in Holmdel?

In Holmdel, in July, it is raining for 8 days, with typically 0.71" (18mm) of accumulated precipitation.

What is the wettest month in Holmdel?

The month with the most rainfall in Holmdel is July when the rain falls for 8 days and typically aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Holmdel?

In Holmdel snow does not fall in April through November.

How many hours of daylight does Holmdel have in July?

The average length of the day in July in Holmdel is 14.7h.

What month has the most sunshine in Holmdel?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Holmdel, New Jersey.

How long on average sun shines in July in Holmdel?

In July, the average sunshine in Holmdel, New Jersey, is 10.8h.

What is the month with the highest UV index in Holmdel?

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

What is the UV index reading in July in Holmdel?

In Holmdel, New Jersey, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in July - Holmdel, NJ
  • Average high temperature in July: 27.6°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in July: 21°C

The month with the highest average low temperature is July (21°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in July - Holmdel, NJ
  • Average pressure in July: 1014.4mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in July - Holmdel, NJ
  • Average wind speed in July: 11.5km/h

The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).

Average humidity in July - Holmdel, NJ
  • Average humidity in July: 76%

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (73%).

Average rainfall in July - Holmdel, NJ
  • Average rainfall in July: 18mm

The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is September (3mm).

Average rainfall days in July - Holmdel, NJ
  • Average rainfall days in July: 8 days

The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is January (3.4 days).

Average snowfall in July - Holmdel, NJ
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (4mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in July / Average sunshine in July - Holmdel, NJ
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in July - Holmdel, NJ
  • Average sunshine days in July: 17.3 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (17.3 days).

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

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

Average cloud cover in July - Holmdel, NJ
  • Average cloud cover in July: 28

Months with the most cloud cover are February, March and December (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in July - Holmdel, NJ
  • Average visibility in July: 10km

Months with the highest visibility are January, February, March, April, July, August, September, October, November and December (10km).
Months with the lowest visibility are May and June (9km).