July weather forecast
Annandale, NJ

Weather in July

July, like June, in Annandale, New Jersey, is another warm summer month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 64°F (17.8°C).

Temperature

The warmest month is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64°F (17.8°C).

Heat index

In July, the average heat index is calculated to be a tropical 92.5°F (33.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, metabolic differences, pregnancy, 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Annandale, New Jersey, the average relative humidity in July is 77%.

Rainfall

In July, the rain falls for 17.6 days. Throughout July, 3.31" (84mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 32.83" (834mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Annandale, New Jersey, the average length of the day in July is 14h and 44min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:34 pm. On the last day of July, sunrise is at 5:55 am and sunset at 8:16 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
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.
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FAQ

What is the warmest month in Annandale?

The warmest month in Annandale is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64°F (17.8°C).

What is the temperature in July in Annandale?

The average high-temperature, in July, in Annandale, New Jersey, is 83.8°F (28.8°C), while the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 92.5°F (33.6°C).

What is the average humidity in July in Annandale?

In Annandale, the average relative humidity in July is 77%.

How many days does it rain in July in Annandale?

In Annandale, in July, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Annandale?

June through September are months without snowfall in Annandale.

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

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

What time are sunrise and sunset in July in Annandale?

In July, on the first day of the month, sunrise is at 5:32 am and sunset at 8:34 pm. On the last day of the month, in Annandale, New Jersey, sunrise is at 5:55 am and sunset at 8:16 pm EDT.

What month has the most sunshine in Annandale?

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

How many hours of sunshine does Annandale have in July?

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

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

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

What is the UV index reading in July in Annandale?

In July, the average daily maximum UV index in Annandale, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Annandale, NJ

Average temperature in July - Annandale, NJ
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in July
Annandale, NJ

Average pressure in July - Annandale, 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
Annandale, NJ

Average wind speed in July - Annandale, NJ
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in July
Annandale, NJ

Average humidity in July - Annandale, NJ
  • Average humidity in July: 77%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in July
Annandale, NJ

Average rainfall in July - Annandale, NJ
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in July
Annandale, NJ

Average rainfall days in July - Annandale, NJ
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in July
Annandale, NJ

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

The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Annandale, NJ

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

The months with the highest number of snowfall days are January and February (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
Annandale, NJ

Average daylight in July / Average sunshine in July - Annandale, NJ
  • Average daylight in July: 14h and 44min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in July: 10h and 24min

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).

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Average sunshine days in July
Annandale, NJ

Average sunshine days in July - Annandale, NJ
  • Average sunshine days in July: 12 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).

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Average UV index in July
Annandale, NJ

Average UV index in July - Annandale, 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
Annandale, NJ

Average cloud cover in July - Annandale, 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).

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Average visibility in July
Annandale, NJ

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

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

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