August weather forecast
Prospect Harbor, ME

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Weather in August

The last month of the summer, August, is a warm month in Prospect Harbor, Maine, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 57.7°F (14.3°C).

Temperature

August is the warmest month, exhibiting average temperatures of 73.4°F (23°C) at the peak and 57.7°F (14.3°C) at the base.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In August, in Prospect Harbor, the rain falls for 10.4 days. Throughout August, 1.73" (44mm) of precipitation is accumulated. In Prospect Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Prospect Harbor, the average length of the day in August is 13h and 59min.
On the first day of August, sunrise is at 5:20 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:09 pm EDT.

Sunshine

The month with the most sunshine in Prospect Harbor is August, with an average of 10.1h of sunshine.

UV index

The months with the highest UV index in Prospect Harbor are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What time of the year is the hottest in Prospect Harbor?

Prospect Harbor, Maine, registers the average highest temperatures during August, with peaks of 73.4°F (23°C) and lows of 57.7°F (14.3°C).

What is the usual temperature for Prospect Harbor in August?

The high-temperature, in August, in Prospect Harbor, is 73.4°F (23°C), while the low-temperature averages to 57.7°F (14.3°C).

What is the average humidity in August in Prospect Harbor?

The average relative humidity in August in Prospect Harbor, Maine, is 80%.

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

In Prospect Harbor, Maine, in August, during 10.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Prospect Harbor?

In Prospect Harbor, snow does not fall in June through September.

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

In August, the average day length is 13h and 59min.

When is the sunrise / sunset in August in Prospect Harbor?

On the first day of August in Prospect Harbor, Maine, sunrise is at 5:20 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:09 pm EDT.

What month has the most sunshine in Prospect Harbor?

The month with the most sunshine in Prospect Harbor is August, with an average of 10.1h of sunshine.

How many hours of sunshine does Prospect Harbor have in August?

The average sunshine duration in August is 10.1h.

When is the highest UV index in Prospect Harbor?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Prospect Harbor.

How high is the UV index in August in Prospect Harbor?

In August, the average daily maximum UV index in Prospect Harbor is 5. A UV Index of 3 to 5 symbolizes a moderate 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
Prospect Harbor, ME

Average temperature in August - Prospect Harbor, ME
  • Average high temperature in August: 73.4°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in August
Prospect Harbor, ME

Average pressure in August - Prospect Harbor, ME
  • Average pressure in August: 29.96"Hg

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

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Average wind speed in August
Prospect Harbor, ME

Average wind speed in August - Prospect Harbor, ME
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in August
Prospect Harbor, ME

Average humidity in August - Prospect Harbor, ME
  • Average humidity in August: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in August
Prospect Harbor, ME

Average rainfall in August - Prospect Harbor, ME
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days in August
Prospect Harbor, ME

Average rainfall days in August - Prospect Harbor, ME
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in August
Prospect Harbor, ME

Average snowfall in August - Prospect Harbor, ME
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Prospect Harbor, ME

Average snowfall days in August - Prospect Harbor, ME
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.8 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
Prospect Harbor, ME

Average daylight in August / Average sunshine in August - Prospect Harbor, ME
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in August
Prospect Harbor, ME

Average sunshine days in August - Prospect Harbor, ME
  • Average sunshine days in August: 18.7 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in August
Prospect Harbor, ME

Average UV index in August - Prospect Harbor, ME
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
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
Prospect Harbor, ME

Average cloud cover in August - Prospect Harbor, ME
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in August
Prospect Harbor, ME

Average visibility in August - Prospect Harbor, ME
  • Average visibility in August: 5mi

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

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Prospect Harbor, Maine, USA

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