August weather forecast
Brighton, MA

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Weather in August

August, the last month of the summer in Brighton, is another warm month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 81°F (27.2°C).

Temperature

Brighton's weather in August displays an average high-temperature of a still moderately hot 81°F (27.2°C), showing minor disparity from July's 81.9°F (27.7°C). Brighton's nighttime temperature in August falls to an average of 63°F (17.2°C).

Heat index

In August, the heat index is evaluated at 84.2°F (29°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In Brighton, Massachusetts, the average relative humidity in August is 73%.

Rainfall

In Brighton, in August, during 7.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Brighton, during the entire year, the rain falls for 85.9 days and collects up to 5.87" (149mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 51min.
On the first day of August, sunrise is at 5:38 am and sunset at 8:03 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 10.5h of sunshine, August has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the average August temperature?

August temperatures vary between a high-temperature of 81°F (27.2°C) and a low-temperature of 63°F (17.2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in August?

The average relative humidity in August is 73%.

How much does it rain in August?

In Brighton, during August, the rain falls for 7.8 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Brighton have in August?

In Brighton, the average day length in August is 13h and 51min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:03 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?

The month with the most sunshine is August, with an average of 10.5h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10.5h.

What is the month 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 reading in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Brighton, MA

Average temperature in August - Brighton, 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 (33.6°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in August
Brighton, MA

Average pressure in August - Brighton, 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 (29.92"Hg).

Average wind speed in August
Brighton, MA

Average wind speed in August - Brighton, MA
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in August
Brighton, MA

Average humidity in August - Brighton, MA
  • Average humidity in August: 73%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in August
Brighton, MA

Average rainfall in August - Brighton, MA
  • Average rainfall in August: 0.43"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").

Average rainfall days in August
Brighton, MA

Average rainfall days in August - Brighton, MA
  • Average rainfall days in August: 7.8 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in August
Brighton, MA

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

The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Brighton, MA

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

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Brighton, 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 6min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Brighton, MA

Average sunshine days in August - Brighton, MA
  • Average sunshine days in August: 19.9 days

The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).

Average UV index in August
Brighton, MA

Average UV index in August - Brighton, 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
Brighton, MA

Average cloud cover in August - Brighton, MA
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Brighton, MA

Average visibility in August - Brighton, 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).

Brighton, Massachusetts, USA

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