August weather forecast
Brockton, MA

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Weather in August

Heading toward the close of summer, August retains July's warm weather with a slight dip in temperatures. Taking pride in the highest amount of sunshine hours at 10.2, August promises plenty of bright and sunny days. Despite the slight decrease in temperatures, the heat of summer is still very present. Rainfall is less frequent, allowing residents to fully enjoy the final full summer month. Recreational activities are at their peak, thanks to the longer sunlight hours and robust winds.

Temperature

The onset of August brings an average high-temperature of a still warm 81°F (27.2°C), nearly matching the July temperature. Brockton experiences a steady low-temperature of 63.1°F (17.3°C) throughout August.

Heat index

In August, the average heat index is estimated at a hot 86°F (30°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In August, the rain falls for 12.9 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 144.9 rainfall days, and 28.98" (736mm) of precipitation is accumulated.

Snowfall

In Brockton, Massachusetts, snow does not fall in June through October.

Daylight

In Brockton, the average length of the day in August is 13h and 50min.
On the first day of August, sunrise is at 5:38 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year in Brockton.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 23, 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 Brockton, is 81°F (27.2°C) and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 75%.

How much does it rain in August?

In August, the rain falls for 12.9 days. Throughout August, 1.85" (47mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Brockton have in August?

The average day length in August is 13h and 50min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

What month has the most sunshine in Brockton?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

How long on average sun shines in August?

In Brockton, the average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Brockton, MA

Average temperature in August - Brockton, MA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in August
Brockton, MA

Average pressure in August - Brockton, MA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Brockton, MA

Average wind speed in August - Brockton, MA
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Brockton, MA

Average humidity in August - Brockton, MA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
Brockton, MA

Average rainfall in August - Brockton, MA
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in August
Brockton, MA

Average rainfall days in August - Brockton, MA
  • Average rainfall days in August: 12.9 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in August
Brockton, MA

Average snowfall in August - Brockton, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (4.17").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Brockton, MA

Average snowfall days in August - Brockton, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Brockton, MA

Average daylight in August / Average sunshine in August - Brockton, MA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Brockton, MA

Average sunshine days in August - Brockton, MA
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in August
Brockton, MA

Average UV index in August - Brockton, MA
  • Average UV index in August: 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 August
Brockton, MA

Average cloud cover in August - Brockton, MA
  • Average cloud cover in August: 35

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Brockton, MA

Average visibility in August - Brockton, MA
  • 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).

Brockton, Massachusetts, USA

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