August weather forecast
Falmouth, ME

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Weather in August

The last month of the summer, August, is another warm month in Falmouth, Maine, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 60.1°F (15.6°C).

Temperature

The shift into August finds Falmouth at an average high-temperature of a still warm 74.3°F (23.5°C), closely comparable to July's conditions. Falmouth encounters a steady low-temperature average of 60.1°F (15.6°C) throughout the month of August.

Humidity

The average relative humidity in August is 80%.

Rainfall

In August, the rain falls for 13.1 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Falmouth, there are 132.8 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

Snowfall

In Falmouth, Maine, snow does not fall in June through October.

Daylight

The average length of the day in August is 13h and 56min.
On the first day of August, sunrise is at 5:30 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:17 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.5h 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 estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 5 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature and low-temperature during August are 74.3°F (23.5°C) and 60.1°F (15.6°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 80%.

How many days does it rain in August?

In Falmouth, in August, during 13.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Falmouth have in August?

In Falmouth, the average day length in August is 13h and 56min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:30 am and sunset at 8:03 pm. On the last day of the month, in Falmouth, sunrise is at 6:04 am and sunset at 7:17 pm EDT.

What month has the most sunshine?

With an average of 10.5h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Falmouth have in August?

In Falmouth, the average sunshine duration in August is 10.5h.

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?

In Falmouth, 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
Falmouth, ME

Average temperature in August - Falmouth, ME
  • Average high temperature in August: 74.3°F

The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in August
Falmouth, ME

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

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

Average wind speed in August
Falmouth, ME

Average wind speed in August - Falmouth, ME
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Falmouth, ME

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

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is November (75%).

Average rainfall in August
Falmouth, ME

Average rainfall in August - Falmouth, ME
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in August
Falmouth, ME

Average rainfall days in August - Falmouth, ME
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (6 days).

Average snowfall in August
Falmouth, ME

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

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Falmouth, ME

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

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Falmouth, ME
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in August
Falmouth, ME

Average sunshine days in August - Falmouth, ME
  • Average sunshine days in August: 14.9 days

The months with the most sunshine days are January and September (18.5 days).
The month with the least sunshine days is April (13 days).

Average UV index in August
Falmouth, ME

Average UV index in August - Falmouth, 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
Falmouth, ME

Average cloud cover in August - Falmouth, ME
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Falmouth, ME

Average visibility in August - Falmouth, ME
  • Average visibility in August: 6mi

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

Falmouth, Maine, USA

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