August Weather in Cape May, United States

Last updated: February 24, 2025

August in Cape May, United States, offers warm temperatures perfect for summer activities, with daytime highs averaging 30°C (86°F) and a pleasant average of 25°C (77°F). Evenings cool down to a comfortable 18°C (65°F), inviting relaxation after sun-soaked days. However, visitors should be prepared for occasional rain, as the area experiences about 115 mm (4.5 in) of precipitation over approximately 14 days this month. With humidity levels at 72%, the weather can feel quite muggy, but the vibrant coastal atmosphere and stunning sunsets make it all worthwhile for those looking to enjoy a quintessential beach getaway.

August Temperature in Cape May

In August, Cape May experiences warm and inviting temperatures that epitomize the height of summer. With minimums averaging around 18°C (65°F) and maxing out at 30°C (86°F), residents and visitors alike can relish in idyllic beach days and balmy evenings. The average temperature of 25°C (77°F) serves as a perfect balance for outdoor activities, whether it's exploring the quaint coastal town or enjoying water sports. As the summer transitions towards autumn, the gentle warmth characterizing this month provides a delightful reminder of the sun-soaked days that come before the cooler breezes of September.

August Weather in Cape May: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Cape May, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384044536171787772645143
Data source: Temperature data for Cape May 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 Cape May

August sees a considerable precipitation total of 115 mm (4.5 in), falling over an average of 14 days, making it one of the wetter months in Cape May. This trend of increased rainfall aligns with the summer peak in July, which recorded the highest amount at 129 mm (5.1 in), while May also features notable rainfall. As the month transitions to September, precipitation decreases slightly to 107 mm (4.2 in), along with a reduction in rainy days to 10. Overall, August acts as a bridge between the sultry summer showers and the approaching autumn coolness, emphasizing the region's seasonal variability and its role in maintaining the lush environment characteristic of Cape May.

August Precipitation Trends in Cape May

The chart displays monthly precipitation patterns in Cape May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec74113111941257712911510714290118
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Cape May

In August, Cape May enjoys a relatively comfortable humidity level of 72%, marking the lowest point of the year. This subtle decline from the summer peak of 74% in July reflects a gradual transition toward the cooler months ahead. As the region navigates the warmest season, humidity tends to decrease, providing a pleasant reprieve from the sweltering heat. However, this brief dip is soon followed by a slight uptick in September, where humidity rises to 75%, hinting at the return of fall's refreshing coastal breezes. Overall, August serves as a delightful reminder of summer's farewell, offering a blend of warmth and refreshing air as the season shifts.

August Average Humidity in Cape May

This chart illustrates the average monthly humidity levels in Cape May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cape May

In August, Cape May experiences a consistent UV Index of 10, maintaining the very high exposure category that has characterized its summer months. This level of UV radiation means that even a brief period outdoors can lead to sunburn in as little as 15 minutes. Observing a trend from earlier months, the intensity of UV rays progressively increased from a moderate level in January to its peak in late summer, highlighting the critical need for sun protection during these sun-drenched days. As summer starts to transition into fall, September shows a slight drop to UV Index 8, yet it remains in the very high category, ensuring continued vigilance is necessary. For more detailed information on UV levels throughout the year, visit Cape May UV Index.

Maximum UV Index Levels in Cape May for August

The chart shows the monthly maximum UV Index (UVI) for Cape May 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.
JanFebMarAprMayJunJulAugSepOctNovDec3569101010108743
Data source: Cape May 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 Cape May

August in Cape May, United States, is a delightful extension of summer, boasting 329 hours of sunshine that invites locals and tourists alike to bask in its warm glow. Following the peak sunshine of July with 361 hours, August maintains its luminous charm, making it a perfect backdrop for beach outings and sunset strolls. As the season transitions into fall, the sunshine begins to dip, but August remains one of the sunniest months of the year, clearly reflecting a trend of longer, brighter days from winter through summer. This gradual shift highlights not just the warmth of summer, but the allure of Cape May as a summertime haven. With a dramatic rise from the chillier months like January's 157 hours, it’s evident that August is a time for soaking up those golden rays before they start to wane.

Monthly Sunshine Duration in Cape May: August Highlighted

The August sunshine duration represents the total number of hours Cape May 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.
JanFebMarAprMayJunJulAugSepOctNovDec157h183h259h272h306h339h361h329h285h245h228h188h
Data source: Cape May August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cape May During August

When considering the likelihood of sunny weather in August in Cape May, it's important to note a downward trend in sunshine as summer progresses. Despite being a popular vacation month, August boasts only a 36% chance of sun, making it one of the cloudier months. This is a notable dip compared to July's more favorable 54%, which typically encourages more outdoor activities. As the summer winds down, the sunshine percentage begins to recover in September with a 56% chance, suggesting that while August might bring more unpredictable weather, the months surrounding it offer better opportunities for sun-soaked adventures. Consequently, planning for variable weather is wise when visiting Cape May in August.

Percentage of Sunny Days in August in Cape May

The chart illustrates the percentage of sunny days in Cape May 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 Cape May experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%29%54%48%45%43%54%36%56%46%55%37%
Data source: Cape May August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cape May in August

In Cape May, United States, the daylight duration reaches its peak during the summer months, with July basking in 14 hours of sunlight. As August rolls in, the daylight begins to wane slightly, offering 13 hours of daylight and signaling the transition towards autumn. This gradual decrease continues into September, with daylight shortening to 12 hours. The trend highlights the vibrant energy of summer, giving way to the cooler months, as the sun’s presence diminishes steadily. As winter approaches, daylight dwindles back to 9 hours by January, marking a cyclical journey through the year that beautifully encapsulates the changing seasons.

Average Daylight Hours in Cape May for August

The chart illustrates the variation in daylight duration in Cape May throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 7m10h 1m9h 28m
Data source: Cape May daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Cape May

In August, the winds in Cape May take a gentle breather, with an average speed of only 3.7 m/s (8 mph), marking the calmest month of the year. This dip follows a gradual decline from the breezier spring and early summer months, where June and July recorded average speeds of 4.5 m/s (10 mph) and 4.3 m/s (10 mph) respectively. As summer wanes, the winds begin to pick up again in September, returning to 5.0 m/s (11 mph). This pattern highlights a seasonal rhythm, where the lush warmth of August is accompanied by softer breezes, creating an inviting atmosphere perfect for leisurely strolls along the shore.

Average August Wind Speed in Cape May

The chart displays monthly wind speed patterns in Cape May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.56.25.75.55.04.54.33.7 m/s5.05.45.95.0
Data source: Cape May August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Cape May Compares to Other Months

The weather in Cape May 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 Cape May and find detailed weather information for every month.

August and January present stark contrasts in weather conditions. In August, temperatures average a pleasant 25°C (77°F), reaching a maximum of 30°C (86°F), accompanied by relatively high humidity at 72%. This month sees significant precipitation, with 115 mm (4.5 in) spread over 14 days, making it a humid, rainy season. In contrast, January brings much colder temperatures, with an average of just 3°C (38°F) and a minimum that can plummet to -12°C (11°F). The colder month experiences less precipitation, totaling 74 mm (2.9 in) over 9 days, but the humidity level rises to 84%, creating a chilly atmosphere. For more details on January weather in the area, check out Cape May weather in January.

August and February present strikingly different weather patterns. August boasts warm temperatures, with averages around 25°C (77°F) and maximums reaching 30°C (86°F), accompanied by a humidity of 72% and 14 days of precipitation totaling 115 mm (4.5 in). In contrast, February experiences cold temperatures, with an average of 5°C (40°F) and maximums only hitting 15°C (60°F), while the humidity is higher at 83% with similar precipitation levels of 113 mm (4.4 in) over 12 days. For more insights into winter conditions, check out Cape May weather in February.

August and March present contrasting weather experiences, with August featuring milder temperatures and higher humidity. In August, temperatures range from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), accompanied by an average of 25°C (77°F). The month sees around 115 mm (4.5 in) of precipitation spread over 14 days, with humidity at 72%. In sharp contrast, March experiences cooler temperatures, ranging from -4°C (24°F) to 20°C (68°F), with an average of 7°C (44°F). Although March has slightly less rainfall at 111 mm (4.4 in), it falls over fewer days (10 days) and features higher humidity at 83%. For a more detailed look at March weather, check out this link: Cape May weather in March.

When comparing the weather in August and April, we see a significant contrast in temperature and humidity levels. August typically features much warmer conditions, with average temperatures around 25°C (77°F) and maximums reaching 30°C (86°F), while April has a cooler average of 11°C (53°F) and maximums up to 25°C (78°F). Precipitation is slightly higher in August, with 115 mm (4.5 in) falling over 14 days, compared to April's 94 mm (3.7 in) over 11 days. Additionally, April exhibits higher humidity at 81%, whereas August's humidity averages 72%. For a closer look at the weather specifics for April, you can visit Cape May weather in April.

When comparing the weather in August and May, August generally offers warmer temperatures, with averages ranging from a minimum of 18°C (65°F) to a maximum of 30°C (86°F). In contrast, May features a cooler climate, with temperatures ranging from 5°C (41°F) to 27°C (81°F), making it a refreshing transition into the summer months. Despite August's higher average temperature, it experiences considerable humidity at 72% along with 115 mm (4.5 in) of precipitation over approximately 14 days. May, while having slightly more precipitation at 125 mm (4.9 in) over 12 days, has a marginally higher humidity at 78%. For a more detailed look at May's weather specifics, visit Cape May weather in May.

In comparing the weather between June and August, we can observe notable differences in temperature and precipitation patterns. August typically enjoys warmer average temperatures, with a minimum of 18°C (65°F) and an average of 25°C (77°F), while June experiences slightly cooler conditions, with a minimum of 13°C (55°F) and an average of 22°C (71°F). Despite having the same maximum temperature of 30°C (86°F), August sees higher humidity at 72% compared to June's 79%, making the heat feel more intense later in summer.

Precipitation also varies, with August recording 115 mm (4.5 inches) over 14 days, while June has a more moderate 77 mm (3.0 inches) over just 9 days. This suggests that August may feel wetter and more humid, contributing to a more tropical feel compared to the earlier summer month. For a closer look at June's weather specifics, you can refer to Cape May weather in June.

In comparison to July, August experiences slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 30°C (86°F) compared to July's range of 19°C (67°F) to 32°C (90°F). While the average temperature in both months remains similar at around 25°C (77°F), August sees an increase in precipitation, totaling 115 mm (4.5 in) over 14 days, compared to July's 129 mm (5.1 in) over just 10 days. Additionally, the humidity in August is moderately lower at 72%, offering a slight reprieve from the sticky weather typical of July, which has an average humidity of 74%. For more details on July weather conditions, you can check Cape May weather in July.

In comparing the weather of August and September, August tends to be warmer, with average temperatures peaking at 25°C (77°F) and maximums reaching 30°C (86°F). It experiences more precipitation, accumulating about 115 mm (4.5 in) over 14 days, alongside a humidity level of 72%. In contrast, September brings slightly cooler temperatures, with an average of 22°C (72°F) and maximums of 29°C (85°F). It also features less rainfall, totaling 107 mm (4.2 in) over just 10 days, while humidity rises slightly to 75%. For more details, you can check out Cape May weather in September.

August and October exhibit notable differences in weather patterns. August typically presents warmer temperatures, with minimums around 18°C (65°F) and averages peaking at about 25°C (77°F), while October sees a significant drop in the minimum temperature, averaging around 7°C (45°F) and easing to an average of 18°C (64°F). Moreover, October experiences slightly higher humidity levels at 81%, compared to August's 72%, contributing to a more crisp and cool atmosphere. Precipitation levels are also higher in October, recording 142 mm (5.6 in) over 9 days, against August’s 115 mm (4.5 in) across 14 days. For more detailed insights, check out Cape May weather in October.

In comparing the weather of August and November, it’s evident that August is significantly warmer, with average temperatures around 25°C (77°F) compared to November's cooler average of 10°C (51°F). August also experiences higher maximum temperatures, reaching up to 30°C (86°F), while November peaks at 22°C (71°F). Precipitation levels are slightly higher in August, with 115 mm (4.5 in) across 14 days, compared to November’s 90 mm (3.5 in) spread over 8 days. Additionally, November brings increased humidity at 85%, in contrast to August’s more moderate 72%. For a closer look at what to expect, check out Cape May weather in November.

The weather in August is characterized by warm temperatures, averaging around 25°C (77°F), with maximums reaching up to 30°C (86°F). In contrast, December brings a stark chill, with average temperatures dropping to 6°C (44°F) and maximums only reaching 17°C (64°F). While both months experience notable precipitation—115 mm (4.5 in) in August and 118 mm (4.6 in) in December—August tends to have more rainy days, occurring over 14 days compared to December's 11. The humidity also differs significantly, with August at 72% and December higher at 84%, contributing to a damp, cold feel during the winter month. For more specific insights on December conditions, you can check out Cape May weather in December.

Compare Cape May's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Cape May

In August, Cape May experiences its warmest weather of the year, with temperatures reaching their peak, creating a vibrant and lively atmosphere perfect for beach activities. However, this month is also characterized by higher humidity levels and a notable chance of precipitation, with rain gracing the area on nearly half of the days. This blend of warmth and moisture sets August apart from the cooler, drier months, making it a unique time for both visitors and locals. Whether you're looking to bask in the sun or enjoy the refreshing rain, there's no denying that August offers a distinct taste of Cape May's charm. For an in-depth look at the climate throughout the year, visit Cape May Climate.