August weather forecast
Winter Harbor, ME

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Weather in August

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

Temperature

With an average high-temperature of 73.4°F (23°C) and an average low-temperature of 57.7°F (14.3°C), August is the warmest month.

Humidity

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

Rainfall

In Winter Harbor, during August, the rain falls for 10.4 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Winter Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Winter Harbor is 13h and 59min.
On the first day of August in Winter Harbor, sunrise is at 5:20 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:54 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

The months with the highest UV index in Winter Harbor are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Winter Harbor?

With average temperatures fluctuating between a high of 73.4°F (23°C) and a low of 57.7°F (14.3°C), August stands out as the warmest month in Winter Harbor.

What are August temperatures in Winter Harbor?

In August, the average high-temperature and low-temperature in Winter Harbor are 73.4°F (23°C) and 57.7°F (14.3°C) respectively.

What is the average humidity in August in Winter Harbor?

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

How much does it rain in Winter Harbor in August?

In Winter Harbor, during August, the rain falls for 10.4 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Winter Harbor?

June through September are months without snowfall.

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

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

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

On the first day of August, sunrise is at 5:20 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:10 pm EDT.

What month has the most sunshine in Winter Harbor?

August has the most sunshine of the year in Winter Harbor, Maine, with an average of 10.1h of sunshine.

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

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

When is the highest UV index in Winter Harbor?

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

What is the UV index intensity in August in Winter Harbor?

In Winter Harbor, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents 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
Winter Harbor, ME

Average temperature in August - Winter 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
Winter Harbor, ME

Average pressure in August - Winter 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
Winter Harbor, ME

Average wind speed in August - Winter 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
Winter Harbor, ME

Average humidity in August - Winter 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
Winter Harbor, ME

Average rainfall in August - Winter 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
Winter Harbor, ME

Average rainfall days in August - Winter 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
Winter Harbor, ME

Average snowfall in August - Winter 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
Winter Harbor, ME

Average snowfall days in August - Winter 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
Winter Harbor, ME

Average daylight in August / Average sunshine in August - Winter 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
Winter Harbor, ME

Average sunshine days in August - Winter 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
Winter Harbor, ME

Average UV index in August - Winter 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
Winter Harbor, ME

Average cloud cover in August - Winter 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
Winter Harbor, ME

Average visibility in August - Winter 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).

Winter Harbor, Maine, USA

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