July weather forecast
Griggstown, NJ

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Weather in July

July, like June, in Griggstown, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 84.7°F (29.3°C).

Temperature

Griggstown's warmest month, July, registers temperatures that range from a high of 84.7°F (29.3°C) to a low of 66.9°F (19.4°C).

Heat index

The heat index for July is calculated to be a tropical 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In July, the average relative humidity is 75%.

Rainfall

The month with the most rainfall in Griggstown is July, when the rain falls for 13.9 days and typically aggregates up to 1.69" (43mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July in Griggstown is 14h and 43min.
On the first day of July in Griggstown, sunrise is at 5:32 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.5h 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during July leads to these advisories:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the hottest time of year in Griggstown?

Griggstown, New Jersey, records the warmest temperatures in July, averaging a high of 84.7°F (29.3°C) and a low of 66.9°F (19.4°C).

How hot does it get in Griggstown in July?

In Griggstown, 84.7°F (29.3°C) is the average high-temperature and 66.9°F (19.4°C) is the average low-temperature during July. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in Griggstown?

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

What is the rainiest month in Griggstown?

The month with the most rainfall in Griggstown, New Jersey, is July, when the rain falls for 13.9 days and typically aggregates up to 1.69" (43mm) of precipitation.

How much does it rain in Griggstown in July?

In Griggstown, during July, the rain falls for 13.9 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Griggstown?

In Griggstown, New Jersey, snow does not fall in June through October.

How many hours of daylight does Griggstown have in July?

In Griggstown, the average day length in July is 14h and 43min.

When is the sunrise / sunset in July in Griggstown?

On the first day of July in Griggstown, New Jersey, sunrise is at 5:32 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

What month has the most sunshine in Griggstown?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Griggstown, New Jersey.

How many hours of sunshine does Griggstown have in July?

The average sunshine duration in July in Griggstown is 10.5h.

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

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

How high is the UV index in July in Griggstown?

In July, the average daily maximum UV index in Griggstown, New Jersey, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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
Griggstown, NJ

Average temperature in July - Griggstown, NJ
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in July
Griggstown, NJ

Average pressure in July - Griggstown, 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
Griggstown, NJ

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

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Griggstown, NJ

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%).

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Average rainfall in July
Griggstown, NJ

Average rainfall in July - Griggstown, NJ
  • Average rainfall in July: 1.69"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in July
Griggstown, NJ

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).

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Average snowfall in July
Griggstown, NJ

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

The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Griggstown, NJ

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).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Griggstown, 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 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 48min).

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Average sunshine days in July
Griggstown, NJ

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).

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Average UV index in July
Griggstown, NJ

Average UV index in July - Griggstown, 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
Griggstown, NJ

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

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

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Average visibility in July
Griggstown, NJ

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

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

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Griggstown, New Jersey, USA

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