August weather forecast
Seal Harbor, ME

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Weather in August

August, the last month of the summer in Seal Harbor, is a warm month, with an average temperature varying between 73.4°F (23°C) and 57.7°F (14.3°C).

Temperature

In Seal Harbor, the peak average temperatures are observed in August, with a high of 73.4°F (23°C) and a low of 57.7°F (14.3°C).

Humidity

In Seal Harbor, the average relative humidity in August is 80%.

Rainfall

In Seal Harbor, in August, it is raining for 10.4 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 5:21 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:10 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

With average high temperatures of 73.4°F (23°C) and lows of 57.7°F (14.3°C), August is the warmest month.

What is the average August temperature?

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

What is the average humidity in August in Seal Harbor?

In Seal Harbor, the average relative humidity in August is 80%.

How much does it rain in August?

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

When it does not snow?

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

What is the average length of the day in August?

In August, the average day length in Seal Harbor is 13h and 58min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:21 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:10 pm EDT.

What month has the most sunshine in Seal Harbor?

With an average of 10.1h of sunshine, August has the most sunshine of the year in Seal Harbor.

How long on average sun shines in August?

In Seal Harbor, the average sunshine duration in August is 10.1h.

When is the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Seal Harbor, ME

Average temperature in August - Seal 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).

Average pressure in August
Seal Harbor, ME

Average pressure in August - Seal 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).

Average wind speed in August
Seal Harbor, ME

Average wind speed in August - Seal 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).

Average humidity in August
Seal Harbor, ME

Average humidity in August - Seal 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%).

Average rainfall in August
Seal Harbor, ME

Average rainfall in August - Seal 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").

Average rainfall days in August
Seal Harbor, ME

Average rainfall days in August - Seal 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).

Average snowfall in August
Seal Harbor, ME

Average snowfall in August - Seal 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").

Average snowfall days in August
Seal Harbor, ME

Average snowfall days in August - Seal 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).

Average daylight in August /
Average sunshine in August
Seal Harbor, ME

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

Average sunshine days in August
Seal Harbor, ME

Average sunshine days in August - Seal 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).

Average UV index in August
Seal Harbor, ME

Average UV index in August - Seal 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).

Average cloud cover in August
Seal Harbor, ME

Average cloud cover in August - Seal 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).

Average visibility in August
Seal Harbor, ME

Average visibility in August - Seal 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).

Seal Harbor, Maine, USA

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