July weather forecast and climate
Griggstown, NJ

July, like June, in Griggstown, New Jersey, is another warm summer month, with average temperature ranging between min 66.9°F (19.4°C) and max 84.7°F (29.3°C).

Temperature

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.9°F (19.4°C).

Heat index

The average heat index in July is calculated to a tropical 93.9°F (34.4°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, clothing, wind), and activity. 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 especially crucial for babies and toddlers. 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

In Griggstown, the average relative humidity is 75%.

Rainfall

July is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

In Griggstown snow does not fall in June through October.

Daylight

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

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Griggstown. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the warmest month in Griggstown?

With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.9°F (19.4°C), July is the warmest month in Griggstown.

What is the temperature in July in Griggstown?

The average high-temperature, in July, in Griggstown, New Jersey, is 84.7°F (29.3°C), while the average low-temperature is 66.9°F (19.4°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines relative humidity and air temperature, is evaluated at 93.9°F (34.4°C).

What is the average humidity in July in Griggstown?

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

How much does it rain in Griggstown in July?

In July, in Griggstown, the rain falls for 13.9 days. Throughout July, 1.69" (43mm) of precipitation is accumulated.

What is the rainiest month in Griggstown?

July is the month with the most rainfall in Griggstown. Rain falls for 13.9 days and accumulates 1.69" (43mm) of precipitation.

When it does not snow in Griggstown?

June through October are months without snowfall in Griggstown.

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

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

What month has the most sunshine in Griggstown?

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

How many hours of sunshine does Griggstown have in July?

In Griggstown, New Jersey, the average sunshine in July is 10.5h.

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

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

What is the UV index intensity in July in Griggstown?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in July - Griggstown, NJ
  • Average high temperature in July: 29.3°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in July: 19.4°C

The month with the highest average low temperature is July (19.4°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in July - Griggstown, NJ
  • Average pressure in July: 1014.5mbar

The month with the highest atmospheric pressure is November (1019.7mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in July - Griggstown, NJ
  • Average wind speed in July: 8.8km/h

The windiest month (with the highest average wind speed) is March (14.1km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

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

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in July - Griggstown, NJ
  • Average rainfall in July: 43mm

The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is September (17mm).

Average rainfall days in July - Griggstown, NJ
  • Average rainfall days in July: 13.9 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).

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

The month with the highest snowfall is March (36mm).
Months with the least snowfall are June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (4.6 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in July / Average sunshine in July - Griggstown, 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: 10.5h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in July - Griggstown, NJ
  • Average sunshine days in July: 13.3 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in July - Griggstown, 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, March, November and December (UV index 2).

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

Months with the most cloud cover are February, March and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in July - Griggstown, NJ
  • Average visibility in July: 9km

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).