August weather forecast
Greenville, ME

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Weather in August

The last month of the summer, August, is also an agreeable month in Greenville, Maine, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 53.1°F (11.7°C).

Temperature

August records an average high-temperature of an agreeable 73°F (22.8°C), indicating a minor variation from the preceding month. Throughout the nights in August, an average low-temperature of 53.1°F (11.7°C) is noted.

Humidity

The average relative humidity in August in Greenville is 80%.

Rainfall

In Greenville, Maine, in August, during 17.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 147.1 rainfall days, and 34.65" (880mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 14h and 3min.
On the first day of the month, sunrise is at 5:23 am and sunset at 8:06 pm. On the last day of August, sunrise is at 5:59 am and sunset at 7:17 pm EDT.

Sunshine

With an average of 9.2h of sunshine, August has the most sunshine of the year.

UV index

In Greenville, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 4 in August translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In Greenville, in August, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in August?

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

How many days does it rain in August?

In Greenville, Maine, in August, it is raining for 17.8 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow?

In Greenville, Maine, snow does not fall in June through September.

How many hours of daylight does Greenville have in August?

The average day length in August is 14h and 3min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:23 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:17 pm EDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 9.2h of sunshine.

How many hours of sunshine does Greenville have in August?

In August, the average sunshine duration in Greenville is 9.2h.

What is the UV index intensity in August?

In Greenville, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Greenville, ME

Average temperature in August - Greenville, ME
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in August: 53.1°F

The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in August
Greenville, ME

Average pressure in August - Greenville, ME
  • Average pressure in August: 29.95"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Greenville, ME

Average wind speed in August - Greenville, ME
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Greenville, ME

Average humidity in August - Greenville, ME
  • Average humidity in August: 80%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).

Average rainfall in August
Greenville, ME

Average rainfall in August - Greenville, ME
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (2.24").

Average rainfall days in August
Greenville, ME

Average rainfall days in August - Greenville, ME
  • Average rainfall days in August: 17.8 days

The months with the highest number of rainy days are July and August (17.8 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in August
Greenville, ME

Average snowfall in August - Greenville, ME
  • Average snowfall in August: 0"

The month with the highest snowfall is January (14.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Greenville, ME

Average snowfall days in August - Greenville, ME
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Greenville, ME

Average daylight in August / Average sunshine in August - Greenville, ME
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 9h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in August
Greenville, ME

Average sunshine days in August - Greenville, ME
  • Average sunshine days in August: 11 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8.1 days).

Average UV index in August
Greenville, ME

Average UV index in August - Greenville, ME
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in August
Greenville, ME

Average cloud cover in August - Greenville, ME
  • Average cloud cover in August: 45

The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 45).

Average visibility in August
Greenville, ME

Average visibility in August - Greenville, ME
  • Average visibility in August: 4mi

The months with the highest visibility are May, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, June, August, September and December (4mi).

Greenville, Maine, USA

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