August weather forecast
Weymouth, MA

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The modern bridge crossing on the large Fore River passing through Weymouth City, Massachusetts
The modern bridge crossing on the large Fore River passing through Weymouth City, Massachusetts

Weather in August

In August, temperature trends depict a slightly cooler climate than July, albeit still maintaining the marks of summer warmth at 78.4°F (25.8°C). Weymouth witnesses a gradual reduction in daylight hours during this period, signifying the onset of shorter autumn days. Despite the dimming sunlight, the days are predominantly clear, sunny, and remarkably dry, making it one of the peak months for outdoor exploration. Weymouth's beaches, parks, and landmarks continue to explore the best of this coastal town in Massachusetts.

Temperature

During August, Weymouth records an average high-temperature of a still moderately hot 78.4°F (25.8°C), marking a slight divergence from July's 79.3°F (26.3°C). In August, the temperature drops to an average of 64.2°F (17.9°C) at night.

Humidity

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

Rainfall

In August, the rain falls for 13 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Weymouth, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

In Weymouth, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:02 pm. On the last day of August, sunrise is at 6:08 am and sunset at 7:18 pm EDT.

Sunshine

August has the most sunshine of the year in Weymouth, with an average of 10.6h of sunshine.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are the temperatures in Weymouth in August?

The high-temperature in Weymouth during August is 78.4°F (25.8°C) and the low-temperature is 64.2°F (17.9°C).

What is the average humidity in August in Weymouth?

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

How many days does it rain in August in Weymouth?

In Weymouth, Massachusetts, in August, during 13 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Weymouth?

May through October are months without snowfall.

How many hours of daylight does Weymouth have in August?

In August, the average day length is 13h and 50min.

When are sunrise and sunset in August in Weymouth?

On the first day of August in Weymouth, sunrise is at 5:37 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:18 pm EDT.

What month has the most sunshine in Weymouth?

With an average of 10.6h of sunshine, August has the most sunshine of the year in Weymouth, Massachusetts.

How long on average sun shines in August in Weymouth?

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

What is the month with the highest UV index in Weymouth?

The months with the highest UV index in Weymouth are July and August, with an average maximum UV index of 6.

What is the UV index reading in August in Weymouth?

The average daily maximum UV index in August in Weymouth is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Weymouth, MA

Average temperature in August - Weymouth, MA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Weymouth, MA

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Weymouth, MA

Average wind speed in August - Weymouth, MA
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in August
Weymouth, MA

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

The months with the highest relative humidity are February, June and September (77%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Weymouth, MA

Average rainfall in August - Weymouth, MA
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in August
Weymouth, MA

Average rainfall days in August - Weymouth, MA
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in August
Weymouth, MA

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

The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Weymouth, MA

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

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Weymouth, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in August
Weymouth, MA

Average sunshine days in August - Weymouth, MA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in August
Weymouth, MA

Average UV index in August - Weymouth, MA
  • Average UV index in August: 6

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Weymouth, MA

Average cloud cover in August - Weymouth, MA
  • Average cloud cover in August: 30

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Weymouth, MA

Average visibility in August - Weymouth, 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).

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Weymouth, Massachusetts, USA

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