August weather forecast
Swans Island, ME

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Weather in August

The last month of the summer, August, is a moderately hot month in Swans Island, Maine, with an average temperature ranging between max 73.4°F (23°C) and min 57.7°F (14.3°C).

Temperature

The average temperatures reach their apex in August, averaging 73.4°F (23°C) at the high end and 57.7°F (14.3°C) at the low end.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In Swans Island, in August, it is raining for 10.4 days, with typically 1.73" (44mm) of accumulated precipitation. In Swans Island, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

In Swans Island, 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 5:22 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:11 pm EDT.

Sunshine

The month with the most sunshine is August, 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 of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

The month of August sees the average highest temperatures, reaching 73.4°F (23°C) at the peak and 57.7°F (14.3°C) at the low.

What are the temperatures in August?

Swans Island in August has an average high-temperature of 73.4°F (23°C) and an average low-temperature of 57.7°F (14.3°C).

What is the average humidity in August?

In Swans Island, the average relative humidity in August is 80%.

How much does it rain in August?

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

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In Swans Island, the average day length in August is 13h and 58min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:22 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:11 pm EDT.

What month has the most sunshine in Swans Island?

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

How many hours of sunshine does Swans Island have in August?

In Swans Island, the average sunshine duration in August is 10.1h.

What are the months with 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 reading in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Swans Island, ME

Average temperature in August - Swans Island, 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
Swans Island, ME

Average pressure in August - Swans Island, 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
Swans Island, ME

Average wind speed in August - Swans Island, 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
Swans Island, ME

Average humidity in August - Swans Island, 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
Swans Island, ME

Average rainfall in August - Swans Island, 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
Swans Island, ME

Average rainfall days in August - Swans Island, 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
Swans Island, ME

Average snowfall in August - Swans Island, 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
Swans Island, ME

Average snowfall days in August - Swans Island, 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
Swans Island, ME

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

The month with the longest days is June (Average daylight: 15h and 24min).
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
Swans Island, ME

Average sunshine days in August - Swans Island, 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
Swans Island, ME

Average UV index in August - Swans Island, 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
Swans Island, ME

Average cloud cover in August - Swans Island, 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
Swans Island, ME

Average visibility in August - Swans Island, 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).

Swans Island, Maine, USA

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