August weather forecast
Monmouth, ME

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Weather in August

August, the last month of the summer in Monmouth, is another warm month, with an average temperature fluctuating between 76.6°F (24.8°C) and 56.7°F (13.7°C).

Temperature

Monmouth transitions into August recording an average high-temperature of a still moderately hot 76.6°F (24.8°C), closely aligning with the preceding month's temperature. Monmouth's nighttime temperature in August drops to an average of 56.7°F (13.7°C).

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Monmouth, in August, during 13.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 119.4 rainfall days, and 17.17" (436mm) of precipitation is accumulated.

Snowfall

In Monmouth, 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 the month, sunrise is at 5:28 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:02 am and sunset at 7:17 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In August, the average high-temperature and low-temperature are 76.6°F (24.8°C) and 56.7°F (13.7°C) respectively.

What is the average humidity in August in Monmouth?

In Monmouth, the average relative humidity in August is 79%.

How much does it rain in August?

In August, the rain falls for 13.3 days. Throughout August, 1.65" (42mm) of precipitation is accumulated.

When it does not snow?

In Monmouth, snow does not fall in June through September.

How many hours of daylight does Monmouth have in August?

The average day length in August is 13h and 58min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:28 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:17 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Monmouth have in August?

In August, the average sunshine duration is 10.1h.

When is the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Monmouth, ME

Average temperature in August - Monmouth, ME
  • Average high temperature in August: 76.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in August: 56.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in August
Monmouth, ME

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

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Monmouth, ME

Average wind speed in August - Monmouth, ME
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Monmouth, ME

Average humidity in August - Monmouth, ME
  • Average humidity in August: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
Monmouth, ME

Average rainfall in August - Monmouth, ME
  • Average rainfall in August: 1.65"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in August
Monmouth, ME

Average rainfall days in August - Monmouth, ME
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in August
Monmouth, ME

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

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Monmouth, ME

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

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Monmouth, 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 36min).

Average sunshine days in August
Monmouth, ME

Average sunshine days in August - Monmouth, ME
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in August
Monmouth, ME

Average UV index in August - Monmouth, 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, October, November and December (UV index 2).

Average cloud cover in August
Monmouth, ME

Average cloud cover in August - Monmouth, ME
  • Average cloud cover in August: 36

The months with the most cloud cover are March and April (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in August
Monmouth, ME

Average visibility in August - Monmouth, ME
  • Average visibility in August: 5mi

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

Monmouth, Maine, USA

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