July weather forecast
Annandale, NJ

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Weather in July

July, like June, in Annandale, New Jersey, is another warm summer month, with an average temperature ranging between min 64°F (17.8°C) and max 83.8°F (28.8°C).

Temperature

With average high and low temperatures of 83.8°F (28.8°C) and 64°F (17.8°C) respectively, July is Annandale's warmest month.

Heat index

For most parts of July, the heat index is computed to be a hot 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in July in Annandale is 77%.

Rainfall

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

Snowfall

June through September are months without snowfall.

Daylight

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 5:56 am and sunset at 8:15 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Annandale are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in July leads to these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

The highest temperatures are recorded in July, with averages reaching a high of 83.8°F (28.8°C) and a low of 64°F (17.8°C).

How hot does it get in July?

The high-temperature during July is 83.8°F (28.8°C) and the low-temperature is 64°F (17.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 93.2°F (34°C).

What is the average humidity in July?

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

How much does it rain in Annandale in July?

In July, the rain falls for 17.6 days. Throughout July, 3.31" (84mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Annandale have in July?

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

What time are sunrise and sunset in July?

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, sunrise is at 5:56 am and sunset at 8:15 pm EDT.

What month has the most sunshine?

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

How long on average sun shines in July?

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

When is the highest UV index?

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

What is the UV index intensity in July?

In Annandale, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
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).

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).

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).

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%).

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").

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).

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").

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).

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 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
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).

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).

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).

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).

Annandale, New Jersey, USA

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