August weather forecast
Hopewell, NJ

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Weather in August

The last month of the summer, August, is another warm month in Hopewell, New Jersey, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 64.9°F (18.3°C).

Temperature

The introduction of August sees an average high-temperature of a still moderately hot 82.4°F (28°C), hardly deviating from July. Hopewell registers a consistent average low-temperature of 64.9°F (18.3°C) during August.

Heat index

During August, the heat index is calculated to be a hot 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Hopewell, during August, the rain falls for 11.8 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 107.3 rainfall days, and 8.82" (224mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Hopewell, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:13 pm. On the last day of August, in Hopewell, sunrise is at 6:26 am and sunset at 7:32 pm EDT.

Sunshine

In Hopewell, the average sunshine in August is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Hopewell in August?

In Hopewell, in August, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 75%.

How much does it rain in Hopewell in August?

In Hopewell, in August, it is raining for 11.8 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow?

In Hopewell, snow does not fall in June through October.

How many hours of daylight does Hopewell have in August?

The average day length in August is 13h and 44min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:57 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:32 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.1h.

When is the highest UV index in Hopewell?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's 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 August
Hopewell, NJ

Average temperature in August - Hopewell, NJ
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Hopewell, NJ

Average pressure in August - Hopewell, NJ
  • Average pressure in August: 29.99"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 August
Hopewell, NJ

Average wind speed in August - Hopewell, NJ
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in August
Hopewell, NJ

Average humidity in August - Hopewell, NJ
  • Average humidity in August: 75%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall in August
Hopewell, NJ

Average rainfall in August - Hopewell, NJ
  • Average rainfall in August: 1.02"

The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in August
Hopewell, NJ

Average rainfall days in August - Hopewell, NJ
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in August
Hopewell, NJ

Average snowfall in August - Hopewell, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (0.75").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Hopewell, NJ

Average snowfall days in August - Hopewell, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Hopewell, NJ

Average daylight in August / Average sunshine in August - Hopewell, NJ
  • Average daylight in August: 13h 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 August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Hopewell, NJ

Average sunshine days in August - Hopewell, NJ
  • Average sunshine days in August: 16.4 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (13.6 days).

Average UV index in August
Hopewell, NJ

Average UV index in August - Hopewell, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, 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 August
Hopewell, NJ

Average cloud cover in August - Hopewell, NJ
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in August
Hopewell, NJ

Average visibility in August - Hopewell, NJ
  • Average visibility in August: 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).

Hopewell, New Jersey, USA

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