August weather forecast
Kennebunk, ME

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Weather in August

With slight regressions from July's peak heat, August in Kennebunk, Maine, offers a more relaxed end to the summer season. The high temperatures slightly decrease, averaging around 74.1°F (23.4°C),and offer residents and visitors a pleasant respite from summer's climax. Though occasional rain showers occur, they rarely dampen the enjoyable outdoor activities synonymous with this time of year. Thanks to the long summer days, there remains ample time to soak in Maine's natural beauty under the sun. August usually marks the culmination of summer in Kennebunk, filled with warm days and an array of colorful summer flowers.

Temperature

August brings an average high-temperature of a still moderately hot 74.1°F (23.4°C), showing a slight difference from July's 74.5°F (23.6°C). Kennebunk experiences a consistent average temperature of 60.6°F (15.9°C) throughout the nights in August.

Humidity

The average relative humidity in August is 80%.

Rainfall

In August, the rain falls for 12.1 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. In Kennebunk, during the entire year, the rain falls for 133.9 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

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

Daylight

In Kennebunk, the average length of the day in August is 13h and 55min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:05 am and sunset at 7:18 pm EDT.

Sunshine

With an average of 10.3h of sunshine, August has the most sunshine of the year.

UV index

The month with the highest UV index is August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kennebunk in August?

During August, Kennebunk experiences an average high-temperature of 74.1°F (23.4°C) and a low-temperature of 60.6°F (15.9°C).

What is the average humidity in August?

The average relative humidity in August is 80%.

How many days does it rain in August in Kennebunk?

In Kennebunk, during August, the rain falls for 12.1 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Kennebunk have in August?

In Kennebunk, the average day length in August is 13h and 55min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:32 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:18 pm EDT.

What month has the most sunshine?

With an average of 10.3h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

In Kennebunk, Maine, the average sunshine duration in August is 10.3h.

What is the month with the highest UV index?

The month with the highest UV index is August, with an average maximum UV index of 6.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high 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
Kennebunk, ME

Average temperature in August - Kennebunk, ME
  • Average high temperature in August: 74.1°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 60.6°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in August
Kennebunk, ME

Average pressure in August - Kennebunk, 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
Kennebunk, ME

Average wind speed in August - Kennebunk, ME
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in August
Kennebunk, ME

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

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).

Average rainfall in August
Kennebunk, ME

Average rainfall in August - Kennebunk, ME
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in August
Kennebunk, ME

Average rainfall days in August - Kennebunk, ME
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Kennebunk, ME

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

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Kennebunk, ME

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Kennebunk, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in August
Kennebunk, ME

Average sunshine days in August - Kennebunk, ME
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).

Average UV index in August
Kennebunk, ME

Average UV index in August - Kennebunk, ME
  • Average UV index in August: 6

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August
Kennebunk, ME

Average cloud cover in August - Kennebunk, ME
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Kennebunk, ME

Average visibility in August - Kennebunk, 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).

Kennebunk, Maine, USA

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