August weather forecast
Amwell, NJ

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Weather in August

The last month of the summer, August, is another warm month in Amwell, New Jersey, with an average temperature ranging between min 64.9°F (18.3°C) and max 82.4°F (28°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. In August, Amwell reports a consistent average low-temperature of 64.9°F (18.3°C) during the nights.

Heat index

During August, the heat index is calculated to be a hot 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. 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 primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in August is 75%.

Rainfall

In August, the rain falls for 11.8 days. Throughout August, 1.02" (26mm) of precipitation is accumulated. 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 in Amwell.

Daylight

In Amwell, 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, sunrise is at 6:26 am and sunset at 7:32 pm EDT.

Sunshine

The average sunshine in August in Amwell 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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 suggests this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 82.4°F (28°C) and 64.9°F (18.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In Amwell, the average relative humidity in August is 75%.

How many days does it rain in August?

In Amwell, New Jersey, during August, the rain falls for 11.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

In August, the average day length is 13h and 44min.

What time are sunrise and sunset in August in Amwell?

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

How many hours of sunshine does Amwell have in August?

In Amwell, the average sunshine duration in August is 10.1h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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 August
Amwell, NJ

Average temperature in August - Amwell, 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
Amwell, NJ

Average pressure in August - Amwell, 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
Amwell, NJ

Average wind speed in August - Amwell, 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
Amwell, NJ

Average humidity in August - Amwell, 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
Amwell, NJ

Average rainfall in August - Amwell, 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
Amwell, NJ

Average rainfall days in August - Amwell, 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
Amwell, NJ

Average snowfall in August - Amwell, 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
Amwell, NJ

Average snowfall days in August - Amwell, 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
Amwell, NJ

Average daylight in August / Average sunshine in August - Amwell, 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
Amwell, NJ

Average sunshine days in August - Amwell, 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
Amwell, NJ

Average UV index in August - Amwell, 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
Amwell, NJ

Average cloud cover in August - Amwell, 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
Amwell, NJ

Average visibility in August - Amwell, 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).

Amwell, New Jersey, USA

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