August Weather in Kennebunkport, United States

Last updated: February 24, 2025

In Kennebunkport, August weather offers a delightful mix of warmth and occasional showers, making it an ideal time to explore this picturesque coastal town. With average temperatures hovering around 21°C (70°F), visitors can enjoy maximum highs of 29°C (84°F) during sunny days, while the nights cool down to a comfortable 14°C (57°F). Although the month sees 61 mm (2.4 in) of precipitation spread over 7 days, the 66% humidity enhances the lush landscapes, perfect for seaside strolls and outdoor activities. Embrace the vibrant summer charm of Kennebunkport as you navigate through its scenic beauty and welcoming atmosphere.

August Temperature in Kennebunkport

In Kennebunkport during the month of August, temperatures peak at a comfortable 29°C (84°F), perfect for enjoying the coastal scenery. With a minimum of 14°C (57°F) and an enjoyable average of 21°C (70°F), this late summer month provides a delightful break from the colder extremes that precede it. The trend into warmer weather begins in July, reaching its zenith in August before gradually tapering off in September. This pattern highlights the region's inviting summer climate, making it an ideal time for outdoor activities and exploration along the picturesque shorelines and charming streets of this quintessential New England town.

August Weather in Kennebunkport: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Kennebunkport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313236445363707064554335
Data source: Temperature data for Kennebunkport generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Kennebunkport

In August, Kennebunkport experiences a notable dip in precipitation, receiving only 61 mm (2.4 in) of rain across just 7 days, making it one of the driest months of the year. This decline follows a wetter July, where rainfall peaked at 110 mm (4.3 in) over 11 days. The trend of decreasing precipitation in the early summer months allows for warmer, sunnier days, which locals and tourists alike cherish. As summer wanes, the subsequent months suggest a return to more substantial rainfall, with September seeing a slight increase to 80 mm (3.2 in), setting the stage for the wetter autumn months. Overall, August stands out as a brief reprieve from the frequent showers that characterize this coastal region throughout the year.

August Precipitation Trends in Kennebunkport

The chart displays monthly precipitation patterns in Kennebunkport, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec871029414686751106180152115142
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Kennebunkport

In August, Kennebunkport experiences a notable shift in humidity, with levels dipping to 66%—the lowest of the year. This decline follows a gradual trend throughout the summer months, where humidity decreased from 67% in July, indicating a more comfortable atmosphere as autumn approaches. The transition from the moist mid-year climate, characterized by its peak in January at 86%, to the drier August air reflects a broader seasonal pattern. As the fall begins to set in, humidity levels will rise again, but for now, residents and visitors can enjoy a pleasant reprieve from the heavier, sticky air of earlier months.

August Average Humidity in Kennebunkport

This chart illustrates the average monthly humidity levels in Kennebunkport, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kennebunkport

In August, Kennebunkport experiences a UV Index of 9, classifying the sun's rays under the very high exposure category, similar to peak conditions of the summer months that precede it. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to stay vigilant about sun protection. This trend shows that August, much like June and July, demands caution as the warmer months persist, making sunscreen and protective clothing essential to enjoy the beautiful coastal scenery safely. As summer wanes, the UV Index will gradually decrease in September, but being prepared is always key. For more detailed information, check out the Kennebunkport UV Index.

Maximum UV Index Levels in Kennebunkport for August

The chart shows the monthly maximum UV Index (UVI) for Kennebunkport in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Kennebunkport August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Kennebunkport

As summer lingers into August, Kennebunkport basks in an impressive 335 hours of sunshine, matching the peak sunshine of July. This balance of light not only invites beachgoers and outdoor enthusiasts to embrace the coastal charm but also marks a captivating peak in the seasonal trend of bright days. After a gradual ascent from 147 hours in January, the sunshine numbers soar magnificently each month, reflecting the vibrant life and energy of this picturesque town. While September ushers in a slight retreat with 283 hours, the abundance of sun in August ensures that the spirit of summer continues to fill the air, making it a perfect time to explore the stunning landscapes and enjoy the local festivities.

Monthly Sunshine Duration in Kennebunkport: August Highlighted

The August sunshine duration represents the total number of hours Kennebunkport experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec147h184h256h246h298h331h335h335h283h222h193h173h
Data source: Kennebunkport August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kennebunkport During August

In August, Kennebunkport experiences a 33% chance of sunny weather, making it one of the sunnier months compared to the earlier summer months. Notably, July sees a slightly lower chance of sunshine at 32%, indicating a trend of declining sunny days as summer progresses into late August. This pattern contrasts sharply with the more favorable conditions in March and April, where the chances soar to 61% and 39%, respectively. As the season transitions into autumn, September offers a refreshing uptick in sunny probabilities at 45%. Overall, while August may not be a peak month for sunshine, it still holds its own among the summer offerings in Kennebunkport.

Percentage of Sunny Days in August in Kennebunkport

The chart illustrates the percentage of sunny days in Kennebunkport throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kennebunkport experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%35%61%39%39%39%32%33%45%37%54%32%
Data source: Kennebunkport August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kennebunkport in August

As August rolls into Kennebunkport, the days are still long and vibrant, offering approximately 13 hours of daylight. After enjoying the peak summer brightness in June with 15 hours, daylight gradually begins its descent. July maintains a similar duration, but as summer starts to wane, the sunlight slightly diminishes in August. This transition marks a fascinating trend where the amount of daylight decreases as the seasons shift, from the 11 hours in March that heralds the arrival of spring to the 9 hours that dominate the winter months. Thus, August serves as a beautiful reminder of summer’s lingering warmth before the early encroachment of autumn darkness.

Average Daylight Hours in Kennebunkport for August

The chart illustrates the variation in daylight duration in Kennebunkport throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 31m11h 57m13h 26m14h 41m15h 18m14h 58m13h 51m12h 26m10h 58m9h 41m9h 1m
Data source: Kennebunkport daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kennebunkport

In Kennebunkport, August brings the gentle embrace of summer winds, with an average speed of 3.6 m/s (8 mph), marking a delightful lull following the breezier early months of the year. This slight dip from July's 3.7 m/s reflects the typical transition into late summer, where the atmosphere tends to warm, creating a more tranquil coastal experience. As the summer season wanes, September's winds pick up again to 4.2 m/s (9 mph), signaling a return to more spirited breezes as autumn approaches. Overall, the wind patterns highlight a seasonal rhythm, with summer months enjoying their softest gales, setting the stage for the invigorating winds of fall.

Average August Wind Speed in Kennebunkport

The chart displays monthly wind speed patterns in Kennebunkport, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.05.05.64.64.44.53.73.6 m/s4.24.74.85.1
Data source: Kennebunkport August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kennebunkport Compares to Other Months

The weather in Kennebunkport changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kennebunkport and find detailed weather information for every month.

In comparing the weather between August and January, the differences are stark. August typically enjoys mild temperatures, with a minimum of 14°C (57°F), an average of 21°C (70°F), and a maximum of 29°C (84°F). It also sees moderate humidity at 66% and about 61 mm (2.4 in) of precipitation over 7 days. In contrast, January presents a frigid climate, with temperatures plummeting to a minimum of -19°C (-1°F), averaging -1°C (31°F), and peaking at only 14°C (57°F). The winter month experiences higher humidity at 86% and slightly more rain, recording 87 mm (3.4 in) over 9 days. For a more detailed look at January weather specifics, you can check Kennebunkport weather in January.

August and February present contrasting weather patterns, with August enjoying mild temperatures, averaging around 21°C (70°F) and peaking at 29°C (84°F). It features relatively low precipitation, totaling 61 mm (2.4 in) over about 7 days, coupled with 66% humidity. In stark contrast, February experiences a much colder climate, with an average temperature of 0°C (32°F) and maximums hitting only 15°C (59°F). This month sees increased precipitation at 102 mm (4.0 in) spread over roughly 10 days, along with higher humidity levels at 84%. For more insights on February weather, you can visit Kennebunkport weather in February.

When comparing the weather in August and March, it’s clear that these months offer starkly different climates. August typically enjoys mild temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F). In contrast, March is much cooler, with temperatures ranging from a chilly -13°C (8°F) at night to a maximum of 14°C (58°F) during the day, averaging just 2°C (36°F).

Precipitation also varies, with August receiving about 61 mm (2.4 in) over 7 days, while March sees more rain, totaling 94 mm (3.7 in) across 10 days. Humidity levels reflect these differences too, as August has a humidity of 66%, whereas March is more humid at 82%. For a detailed insight into the weather patterns of March, check out this resource on Kennebunkport weather in March.

When comparing the weather in August and April, it’s clear that August is significantly warmer, with average temperatures ranging from a mild 21°C (70°F) to a high of 29°C (84°F), while April experiences much cooler conditions, with temperatures averaging around 7°C (45°F) and peaking at 20°C (69°F). Additionally, August sees less precipitation with 61 mm (2.4 in) over 7 days, contrasted with April's higher rainfall of 145 mm (5.7 in) across 12 days. The humidity levels are also higher in April at 80%, compared to August's 66%. For a more detailed look at April's weather, you can refer to Kennebunkport weather in April.

When comparing the weather in August and May, notable differences emerge. August tends to be significantly warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F), while May features cooler conditions with averages from 3°C (37°F) to 24°C (76°F). Although August is somewhat drier with 61 mm (2.4 in) of precipitation over 7 days, May experiences higher rainfall at 86 mm (3.4 in) spread across 10 days. Humidity levels are also slightly higher in May at 72%, compared to 66% in August, making the latter month feel more comfortable. For more detailed insights on May weather, you can check out Kennebunkport weather in May.

In comparing the weather between June and August, we see noticeable differences in temperature and precipitation patterns. August features warmer temperatures, with averages ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F), while June has a cooler range, starting at 8°C (47°F) and peaking at 28°C (83°F). Additionally, August tends to be slightly drier, receiving 61 mm (2.4 in) of precipitation over 7 days, compared to June's 75 mm (2.9 in) spread over 8 days. Humidity levels are also somewhat lower in August at 66%, compared to June's higher average of 72%. For a more detailed look at June's weather patterns, you can visit Kennebunkport weather in June.

In comparing the weather between July and August, we see some notable differences. July typically experiences slightly warmer temperatures, with minimums of 15°C (58°F) and maximums reaching up to 31°C (88°F), whereas August starts off a bit cooler with minimums of 14°C (57°F) and maximums peaking at 29°C (84°F). Precipitation also varies between the two months, with July receiving 110 mm (4.3 in) over 11 days compared to August's 61 mm (2.4 in) over just 7 days. Humidity levels remain relatively consistent, hovering around 66% in August and 67% in July. For more details, you can check out Kennebunkport weather in July.

During August, the weather features a comfortable average temperature of 21°C (70°F), with daytime highs reaching up to 29°C (84°F) and occasional lows of 14°C (57°F). Precipitation is fairly moderate at 61 mm (2.4 in) over about 7 days, accompanied by a humidity level of 66%. In contrast, September experiences a cooler average temperature of 18°C (65°F), with minimums dropping to 9°C (49°F) while maximums can still reach 28°C (83°F). This month sees slightly higher precipitation at 80 mm (3.2 in) over 8 days and an increase in humidity to 71%. For a more detailed forecast, check out Kennebunkport weather in September.

The weather in August is generally warmer and drier, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F) and average precipitation of 61 mm (2.4 in) over about 7 days. In contrast, October brings cooler temperatures, with a minimum of 2°C (35°F) and an average of 13°C (56°F), with highs reaching 23°C (74°F). October is also significantly wetter, experiencing about 152 mm (6.0 in) of rainfall over approximately 13 days and slightly higher humidity at 78%. For more details on the specifics of this month, you can check out Kennebunkport weather in October.

August and November display striking contrasts in weather characteristics. August features a warmer climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F) and an average of 21°C (70°F). It also experiences relatively moderate precipitation of 61 mm (2.4 in) over about 7 days and a humidity level of 66%. In contrast, November sees temperatures plummet with a minimum of -10°C (14°F), averaging 6°C (44°F), and peaking at 19°C (66°F). This month is notably wetter, with precipitation reaching 115 mm (4.5 in) across 10 days, alongside a higher humidity level of 84%. For a detailed look at how November weather affects the area, check out this link: Kennebunkport weather in November.

Comparing the weather in August and December reveals significant contrasts in temperature and precipitation. In August, temperatures range from a comfortable 14°C (57°F) to a warm 29°C (84°F), accompanied by moderate humidity at 66% and relatively low precipitation of 61 mm over 7 days. In stark contrast, December experiences frigid temperatures, with lows plummeting to -17°C (2°F) and highs only reaching 14°C (58°F). The month sees more precipitation, totaling 142 mm over 10 days, and higher humidity at 81%. For a more detailed perspective on December weather, check out Kennebunkport weather in December.

Compare Kennebunkport's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kennebunkport

August in Kennebunkport showcases a delightful transition with warm temperatures and a charming coastal breeze, making it a standout month compared to the cooler climates of spring and fall. With an average temperature of around 21°C (70°F) and occasional peaks reaching up to 29°C (84°F), visitors can enjoy plenty of sunny days amidst a backdrop of stunning seaside vistas. While August does experience some rainfall, with about 61 mm (2.4 in) spread over a handful of days, the overall humidity remains comfortable, enhancing outdoor activities and events. This month combines the best of summer’s warmth with the beginnings of tranquil autumn, making it an ideal time to explore all that the region has to offer. For an in-depth look at seasonal changes, check out the full details at Kennebunkport Climate.