August weather forecast
Bristol, ME

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Weather in August

August, the last month of the summer in Bristol, is also a moderately hot month, with an average temperature fluctuating between 59.2°F (15.1°C) and 74.1°F (23.4°C).

Temperature

The warmest months are July and August, with an average high-temperature of 74.1°F (23.4°C).

Humidity

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

Rainfall

In Bristol, in August, it is raining for 12.5 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, in Bristol, there are 142.1 rainfall days, and 30.51" (775mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Bristol is 13h and 57min.
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, sunrise is at 6:01 am and sunset at 7:15 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the hottest time of year in Bristol?

July and August are characterised by peak temperatures, with an average high of 74.1°F (23.4°C).

What are August temperatures in Bristol?

In August, the average high-temperature and low-temperature in Bristol are 74.1°F (23.4°C) and 59.2°F (15.1°C) respectively.

What is the average humidity in August in Bristol?

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

How many days does it rain in August in Bristol?

In Bristol, during August, the rain falls for 12.5 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Bristol?

June through October are months without snowfall in Bristol, Maine.

How many hours of daylight does Bristol have in August?

In August, the average day length in Bristol is 13h and 57min.

What time are sunrise and sunset in August in Bristol?

On the first day of August, 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 Bristol?

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

How many hours of sunshine does Bristol have in August?

The average sunshine duration in August in Bristol is 10.3h.

What is the UV index reading in August in Bristol?

The average daily maximum UV index in August in Bristol, Maine, is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Bristol, ME

Average temperature in August - 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).

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Average pressure in August
Bristol, ME

Average pressure in August - 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).

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Average wind speed in August
Bristol, ME

Average wind speed in August - 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).

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Average humidity in August
Bristol, ME

Average humidity in August - 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%).

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Average rainfall in August
Bristol, ME

Average rainfall in August - 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").

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Average rainfall days in August
Bristol, ME

Average rainfall days in August - 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).

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Average snowfall in August
Bristol, ME

Average snowfall in August - 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").

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Average snowfall days in August
Bristol, ME

Average snowfall days in August - 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).

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

Average daylight in August / Average sunshine in August - 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).

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Average sunshine days in August
Bristol, ME

Average sunshine days in August - 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).

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Average UV index in August
Bristol, ME

Average UV index in August - 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).

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Average cloud cover in August
Bristol, ME

Average cloud cover in August - 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).

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Average visibility in August
Bristol, ME

Average visibility in August - 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).

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Bristol, Maine, USA

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