August weather forecast
Bar Harbor, MD

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Weather in August

August, the last month of the summer in Bar Harbor, is also a moderately hot month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 69.1°F (20.6°C).

Temperature

As August unfolds, the average high-temperature reaches a still warm 83.7°F (28.7°C), hinting at a slight fluctuation from the previous month. Bar Harbor reports an average nighttime low-temperature of 69.1°F (20.6°C) in August.

Heat index

August's mean heat index is evaluated at a tropical 91.4°F (33°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Bar Harbor, the average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall in Bar Harbor. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

May through October are months without snowfall in Bar Harbor.

Daylight

In August, the average length of the day in Bar Harbor is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The months with the highest UV index in Bar Harbor are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

How hot does it get in Bar Harbor in August?

In Bar Harbor, in August, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 69.1°F (20.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the average humidity in August in Bar Harbor?

In Bar Harbor, Maryland, the average relative humidity in August is 73%.

What is the rainiest month in Bar Harbor?

The month with the most rainfall is August, when the rain falls for 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

How many days does it rain in August in Bar Harbor?

In Bar Harbor, in August, during 13.9 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow in Bar Harbor?

In Bar Harbor, Maryland, snow does not fall in May through October.

What is the average length of the day in August in Bar Harbor?

In August, the average day length in Bar Harbor, Maryland, is 13h and 39min.

What time are sunrise and sunset in August in Bar Harbor?

On the first day of August in Bar Harbor, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How long on average sun shines in August in Bar Harbor?

The average sunshine duration in August in Bar Harbor is 10.4h.

When is the highest UV index in Bar Harbor?

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

What is the UV index reading in August in Bar Harbor?

The average daily maximum UV index in August in Bar Harbor, Maryland, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Bar Harbor, MD

Average temperature in August - Bar Harbor, MD
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Bar Harbor, MD

Average pressure in August - Bar Harbor, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Bar Harbor, MD

Average wind speed in August - Bar Harbor, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Bar Harbor, MD

Average humidity in August - Bar Harbor, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in August
Bar Harbor, MD

Average rainfall in August - Bar Harbor, MD
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Bar Harbor, MD

Average rainfall days in August - Bar Harbor, MD
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in August
Bar Harbor, MD

Average snowfall in August - Bar Harbor, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Bar Harbor, MD

Average snowfall days in August - Bar Harbor, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Bar Harbor, MD

Average daylight in August / Average sunshine in August - Bar Harbor, MD
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in August
Bar Harbor, MD

Average sunshine days in August - Bar Harbor, MD
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in August
Bar Harbor, MD

Average UV index in August - Bar Harbor, MD
  • Average UV index in August: 6

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

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Average cloud cover in August
Bar Harbor, MD

Average cloud cover in August - Bar Harbor, MD
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Bar Harbor, MD

Average visibility in August - Bar Harbor, MD
  • 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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Bar Harbor, Maryland, USA

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