August weather forecast
South Bristol, ME

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Weather in August

August, the last month of the summer in South Bristol, is another warm month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 59.2°F (15.1°C).

Temperature

South Bristol's warmest period falls in July and August, when the average high-temperatures ascend to 74.1°F (23.4°C).

Humidity

In August, the average relative humidity in South Bristol is 81%.

Rainfall

In South Bristol, during August, the rain falls for 12.5 days and regularly aggregates up to 2.28" (58mm) of precipitation. In South Bristol, during the entire year, the rain falls for 142.1 days and collects up to 30.51" (775mm) of precipitation.

Snowfall

In South Bristol, snow does not fall in June through October.

Daylight

In South Bristol, the average length of the day in August is 13h and 56min.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:01 pm. On the last day of August, in South Bristol, sunrise is at 6:01 am and sunset at 7:15 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.3h of sunshine.

UV index

In August, the average daily maximum UV index in South Bristol, Maine, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in South Bristol?

In South Bristol, Maine, the months of July and August register the average highest temperatures, peaking at 74.1°F (23.4°C).

What is the temperature in August in South Bristol?

The high-temperature in South Bristol, Maine, during August is 74.1°F (23.4°C) and the low-temperature is 59.2°F (15.1°C).

What is the average humidity in August in South Bristol?

The average relative humidity in August in South Bristol is 81%.

How much does it rain in South Bristol in August?

In South Bristol, in August, it is raining for 12.5 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in South Bristol?

In South Bristol, snow does not fall in June through October.

What is the average length of the day in August in South Bristol?

In August, the average day length in South Bristol is 13h and 56min.

What time are sunrise and sunset in August in South Bristol?

On the first day of August in South Bristol, Maine, sunrise is at 5:27 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:15 pm EDT.

What month has the most sunshine in South Bristol?

With an average of 10.3h of sunshine, August has the most sunshine of the year in South Bristol, Maine.

How long on average sun shines in August in South Bristol?

In August, the average sunshine duration in South Bristol, Maine, is 10.3h.

What is the UV index intensity in August in South Bristol?

The average daily maximum UV index in August in South Bristol is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
South Bristol, ME

Average temperature in August - South Bristol, ME
  • Average high temperature in August: 74.1°F

The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 59.2°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in August
South Bristol, ME

Average pressure in August - South Bristol, ME
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
South Bristol, ME

Average wind speed in August - South Bristol, ME
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
South Bristol, ME

Average humidity in August - South Bristol, ME
  • Average humidity in August: 81%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
South Bristol, ME

Average rainfall in August - South Bristol, ME
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in August
South Bristol, ME

Average rainfall days in August - South Bristol, ME
  • Average rainfall days in August: 12.5 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in August
South Bristol, ME

Average snowfall in August - South Bristol, ME
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
South Bristol, ME

Average snowfall days in August - South Bristol, ME
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
South Bristol, ME

Average daylight in August / Average sunshine in August - South Bristol, ME
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in August
South Bristol, ME

Average sunshine days in August - South Bristol, ME
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in August
South Bristol, ME

Average UV index in August - South Bristol, ME
  • Average UV index in August: 5

The month with the highest UV index is July (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
South Bristol, ME

Average cloud cover in August - South Bristol, ME
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
South Bristol, ME

Average visibility in August - South Bristol, ME
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

South Bristol, Maine, USA

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