August weather forecast
Dorchester, NJ

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Weather in August

August, the last month of the summer in Dorchester, is another warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 68.5°F (20.3°C).

Temperature

Dorchester notes an average high-temperature of a still moderately hot 82°F (27.8°C) in August, displaying minor variation from July. Dorchester experiences a consistent average temperature of 68.5°F (20.3°C) throughout the nights in August.

Heat index

August's heat index is computed to be a tropical 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is August, when the rain falls for 14.2 days and typically aggregates up to 1.81" (46mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August in Dorchester is 13h and 40min.
On the first day of August in Dorchester, sunrise is at 6:00 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:31 pm EDT.

Sunshine

In August, the average sunshine is 10.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

An average high-temperature, in August, in Dorchester, is 82°F (27.8°C) and the average low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 14.2 days and accumulates 1.81" (46mm) of precipitation.

How many days does it rain in August?

In Dorchester, in August, during 14.2 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 40min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:31 pm EDT.

How long on average sun shines in August?

In Dorchester, the average sunshine duration in August is 10.6h.

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

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Dorchester, NJ

Average temperature in August - Dorchester, NJ
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in August
Dorchester, NJ

Average pressure in August - Dorchester, NJ
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Dorchester, NJ

Average wind speed in August - Dorchester, NJ
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Dorchester, NJ

Average humidity in August - Dorchester, NJ
  • Average humidity in August: 77%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Dorchester, NJ

Average rainfall in August - Dorchester, NJ
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in August
Dorchester, NJ

Average rainfall days in August - Dorchester, NJ
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in August
Dorchester, NJ

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

The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Dorchester, NJ

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

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Dorchester, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Dorchester, NJ

Average sunshine days in August - Dorchester, NJ
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in August
Dorchester, NJ

Average UV index in August - Dorchester, 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 and December (UV index 2).

Average cloud cover in August
Dorchester, NJ

Average cloud cover in August - Dorchester, NJ
  • Average cloud cover in August: 28

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in August
Dorchester, NJ

Average visibility in August - Dorchester, NJ
  • Average visibility in August: 6mi

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

Dorchester, New Jersey, USA

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