August Weather in Hawaiian Beaches, United States

Last updated: February 24, 2025

Discover the enchanting allure of Hawaiian beaches during August, where the climate strikes a harmonious balance between warmth and humidity. With maximum temperatures reaching 30°C (86°F) and an average of 25°C (77°F), visitors can bask in the sun while enjoying the vibrant surroundings. However, the tropical paradise does come with a splash of rain, averaging 188 mm (7.4 in) over 25 days, contributing to the lush island scenery. The humidity level hovers at 84%, enhancing the sultry, tropical atmosphere that makes Hawaii a dreamy escape. Dive into this quintessential summer experience as you embrace the beauty and diversity of Hawaii's August weather!

August Temperature in Hawaiian Beaches

In August, Hawaiian beaches offer a delightful escape with temperatures that hover comfortably around a minimum of 20°C (69°F) and an average of 25°C (77°F), peaking at a maximum of 30°C (86°F). This warm climate marks one of the hottest months of the year, following a gradual increase in warmth since July, where temperatures reached their highest at 31°C (88°F). As summer transitions toward fall, the weather remains inviting, allowing beachgoers to relish in sun-soaked days and balmy evenings. Overall, from January to August, a noticeable trend emerges, showcasing a slow but steady rise in temperatures, making Hawaii a perennial paradise for sun enthusiasts.

August Weather in Hawaiian Beaches: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Hawaiian Beaches, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717071727375767677757472
Data source: Temperature data for Hawaiian Beaches generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Hawaiian Beaches

In August, Hawaiian beaches experience a notable spike in precipitation, with an average of 188 mm (7.4 in) of rain falling over 25 days. This marks a significant increase compared to the drier months preceding it, such as June and July, where rainfall was just 90 mm (3.5 in) and 97 mm (3.8 in) respectively. The wet conditions of August provide lush scenery, enhancing the islands' natural beauty, yet they also reflect a distinct shift in the region's climate, as the peak of summer gradually transitions into the wetter months ahead. As September rolls in, precipitation levels drop again to 93 mm (3.7 in), hinting at the cyclical nature of Hawaiian weather patterns throughout the year.

August Precipitation Trends in Hawaiian Beaches

The chart displays monthly precipitation patterns in Hawaiian Beaches, 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.
JanFebMarAprMayJunJulAugSepOctNovDec118209154117127909718893137108180
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hawaiian Beaches

August brings a noticeable increase in humidity along the beautiful beaches of Hawaii, reaching an average of 84%, the highest of the year. This uptick is part of a gradual climb from earlier months, with levels rising steadily from 79% in January to 83% in July. The summer months, particularly June through August, showcase a trend of heightened moisture in the air, creating a lush and vibrant atmosphere that enhances the island's tropical allure. As summer transitions into fall, humidity tapers slightly, but September remains comfortably high at 82%, ensuring that the essence of that warm, balmy beach experience lingers a bit longer.

August Average Humidity in Hawaiian Beaches

This chart illustrates the average monthly humidity levels in Hawaiian Beaches, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%77%80%80%82%83%84%82%83%83%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hawaiian Beaches

In August, Hawaiian beaches experience a UV Index of 14, categorized as extreme. This level of UV radiation continues the trend established in the previous month, showcasing a peak in summer sun exposure that calls for heightened caution. With a burn time of just 10 minutes, it's essential for beachgoers to protect their skin diligently. The intensity remains consistent, following July's similarly high UV Index, emphasizing the importance of sun safety during these summer months. As you plan your beach outings, remember to stay informed about the UV levels by visiting Hawaiian Beaches UV Index for up-to-date guidance.

Maximum UV Index Levels in Hawaiian Beaches for August

The chart shows the monthly maximum UV Index (UVI) for Hawaiian Beaches 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.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131414131298
Data source: Hawaiian Beaches 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 Hawaiian Beaches

August in the Hawaiian beaches offers a delightful continuation of the summer sunshine, with an impressive 323 hours of bright daylight. Following July’s peak of 339 hours, August maintains a healthy glow, showcasing the islands' allure as a tropical paradise. The trend of increasing sunlight from January through July peaks during the summer months, only to begin a gradual decline as fall approaches. With still abundant sunshine in August and September, beachgoers can savor the sun-soaked days a bit longer before the average hours dip in the months to come. This consistent warmth and light create the perfect backdrop for leisurely days by the ocean and vibrant sunsets that Hawaii is renowned for.

Monthly Sunshine Duration in Hawaiian Beaches: August Highlighted

The August sunshine duration represents the total number of hours Hawaiian Beaches 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.
JanFebMarAprMayJunJulAugSepOctNovDec212h244h249h284h318h331h339h323h305h283h260h252h
Data source: Hawaiian Beaches August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hawaiian Beaches During August

In Hawaiian Beaches, the likelihood of sunny weather in August stands at a promising 44%, marking a notable increase from the summer months, particularly July, which dips to just 28%. This trend of fluctuating sunshine reveals that while early summer may bring occasional overcast skies, August tends to embrace more favorable conditions—setting the stage for beachgoers and sun-seekers alike. As the summer progresses, the chances of sunshine generally rise, positioning August as a delightful month for outdoor activities, just shy of the peak conditions seen earlier in the year. So, if you're planning a summer getaway, August offers an attractive embrace of warm sunshine, perfect for enjoying the myriad of activities that Hawaiian Beaches have to offer.

Percentage of Sunny Days in August in Hawaiian Beaches

The chart illustrates the percentage of sunny days in Hawaiian Beaches 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 Hawaiian Beaches experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%48%35%42%39%40%28%44%40%43%40%26%
Data source: Hawaiian Beaches August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hawaiian Beaches in August

In August, Hawaiian beaches bask in approximately 12 hours of daylight, marking a slight dip from the peak of 13 hours enjoyed in the summer months of May through July. The trend showcases a gradual transition as the days shorten towards the fall, with daylight duration tapering off to 11 hours by October. This shift not only highlights the unique tropical climate of Hawaii but also offers visiting beachgoers the lingering warmth of summer, perfect for sun-soaked adventures and stunning sunsets. While August signals the approach of autumn, the vibrant days still invite exploration and relaxation, embodying the enduring charm of these picturesque shores.

Average Daylight Hours in Hawaiian Beaches for August

The chart illustrates the variation in daylight duration in Hawaiian Beaches throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: Hawaiian Beaches daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Hawaiian Beaches

In August, Hawaiian beaches experience a delightful average wind speed of 3.9 m/s (9 mph), which is consistent with the breezy conditions of the preceding summer months. From March to July, the wind gradually picks up, culminating in peak speeds of 4.0 m/s (9 mph) in both July and October, creating perfect conditions for water sports and beach activities. As the year transitions into the fall, September sees a gentle decline, mirroring the softer breezes of early winter in November, where speeds drop back to 2.9 m/s (6 mph). The overall trend highlights the dynamic interplay of winds, with late summer providing notably stronger breezes, enhancing the allure of Hawaii's stunning coastal scenery.

Average August Wind Speed in Hawaiian Beaches

The chart displays monthly wind speed patterns in Hawaiian Beaches, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.93.53.43.53.64.03.9 m/s3.64.02.93.2
Data source: Hawaiian Beaches August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Hawaiian Beaches Compares to Other Months

The weather in Hawaiian Beaches 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 Hawaiian Beaches and find detailed weather information for every month.

The weather in August is generally warmer and more humid than in January, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F). In contrast, January experiences milder temperatures, with a minimum of 17°C (62°F) and a maximum of 27°C (81°F). Additionally, August sees significantly more precipitation, with 188 mm (7.4 in) falling over 25 days compared to January's 118 mm (4.7 in) over just 16 days. The humidity in August is higher at 84%, while January maintains a slightly lower level at 79%. For those interested in specifics, you can find more details about the climate here: Hawaiian Beaches weather in January.

In comparing the weather of August and February, we see that August tends to be slightly warmer, with an average temperature of 25°C (77°F) compared to February's average of 21°C (71°F). Both months experience significant rainfall, but February receives slightly more precipitation at 209 mm (8.2 in) over 20 days, while August has 188 mm (7.4 in) over 25 days. Additionally, humidity levels are notably high in August at 84%, making it feel more oppressive, while February offers slightly lower humidity at 79%. For more details on the February weather, you can explore this link: Hawaiian Beaches weather in February.

In comparing the weather of August and March, August tends to be warmer with average temperatures peaking at 25°C (77°F) and maxing out at 30°C (86°F), while March offers slightly cooler averages, with minimums around 17°C (62°F) and maximums reaching 27°C (81°F). Precipitation is more frequent in August, totaling 188 mm (7.4 in) over approximately 25 days compared to March's 154 mm (6.0 in) over 22 days. Additionally, August experiences higher humidity levels at 84%, contrasted with March's 77%. For a more detailed look at the weather during this time, visit Hawaiian Beaches weather in March.

In comparing the weather of August and April, August typically brings warmer temperatures with a minimum of 20°C (69°F) and an average of 25°C (77°F), reaching a maximum of 30°C (86°F). In contrast, April offers slightly cooler conditions, with minimum temperatures around 17°C (64°F), an average of 22°C (73°F), and a maximum of 28°C (82°F). While both months are characterized by notable precipitation, August experiences heavier rainfall, totaling 188 mm (7.4 in) over 25 days, compared to April's 117 mm (4.6 in) spread across 23 days. Humidity levels are high in both months, with August at 84% and April at 80%. For a closer look at the specific weather conditions, you can check out Hawaiian Beaches weather in April.

When comparing the weather in August and May, we can see some notable differences. August tends to be warmer, with average temperatures of 25°C (77°F) and maximum highs reaching 30°C (86°F), while May has slightly cooler averages at 23°C (74°F) and a maximum of 28°C (83°F). Additionally, August experiences higher precipitation levels at 188 mm (7.4 in) over 25 days, compared to May's 127 mm (5.0 in) over 24 days. Humidity is also higher in August at 84%, compared to May's 80%. For those interested in more detailed weather patterns, check out Hawaiian Beaches weather in May.

When comparing the weather in August and June, we see that both months experience relatively warm temperatures with average highs around 25°C (77°F) for June and 30°C (86°F) for August. August tends to be a bit more humid, with an average humidity level of 84% compared to June's 82%. Notably, precipitation is significantly higher in August, with 188 mm (7.4 in) spread over 25 days, while June sees only 90 mm (3.5 in) over the same number of days. This generally leads to a wetter August, contrasting with June's slightly drier conditions. For more specific details about the weather, you can check out the Hawaiian Beaches weather in June.

In comparison to July, August experiences slightly higher average temperatures, with daytime highs reaching up to 30°C (86°F) versus July's 31°C (88°F). However, July showcases a marginally cooler average of 24°C (76°F) compared to August's 25°C (77°F). Precipitation is notably heavier in August, measured at 188 mm (7.4 in) over 25 days, in contrast to July's 97 mm (3.8 in) across 26 days. The humidity levels remain similar, with August at 84% and July at 83%. For a more detailed understanding of the July weather patterns, you can refer to the Hawaiian Beaches weather in July.

August and September share similar temperature profiles, with both months registering minimums around 20°C (68-69°F), averages of 25°C (77°F), and maximums hitting 30°C (86°F). However, August typically experiences much higher precipitation, totaling 188 mm (7.4 in) over 25 days, compared to September's 93 mm (3.7 in) over 22 days. Additionally, September sees slightly lower humidity at 82%, down from August's 84%. For more details on September weather, you can check out Hawaiian Beaches weather in September.

In comparing the weather between August and October, both months exhibit warm temperatures, with August having a slightly higher average of 25°C (77°F) compared to October's 24°C (76°F). The maximum temperatures remain consistent at 30°C (86°F) for both months. However, August experiences significantly more rainfall, with 188 mm (7.4 in) over 25 days, whereas October receives only 137 mm (5.4 in) over 20 days. Humidity levels are also quite similar, with August at 84% and October at 83%. For more detailed insights into the weather in October, you can check Hawaiian Beaches weather in October.

In comparing August and November weather, August tends to be warmer with average temperatures around 25°C (77°F) and maximums reaching up to 30°C (86°F). In contrast, November features slightly cooler temperatures, averaging 23°C (74°F) with a maximum of 29°C (84°F). While both months are relatively humid, August has a marginally higher humidity level at 84%, compared to November's 83%. When it comes to rainfall, August sees a substantial increase in precipitation at 188 mm (7.4 in) over 25 days, while November experiences less rainfall, totaling 108 mm (4.2 in) over 19 days. For a more detailed look at November's weather, you can check out Hawaiian Beaches weather in November.

August and December present contrasting weather experiences. In August, temperatures range from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), with an average temperature of 25°C (77°F). During this month, the region faces considerable rainfall, receiving 188 mm (7.4 in) over 25 days, accompanied by high humidity levels at 84%. In contrast, December offers slightly cooler temperatures, with a minimum of 15°C (60°F), an average of 22°C (72°F), and a maximum of 27°C (82°F). Precipitation is also less pronounced, totaling 180 mm (7.1 in) over 22 days, while humidity decreases slightly to 81%. For more detailed insights, check out Hawaiian Beaches weather in December.

Compare Hawaiian Beaches's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Hawaiian Beaches

As August unfolds in Hawaiian Beaches, it brings a distinct blend of warmth and humidity that sets it apart from the rest of the year. With temperatures consistently hovering around a welcoming 25°C (77°F), the tropical essence is palpable, although the heightened humidity level of 84% can make it feel quite sultry at times. This month typically experiences more precipitation than others, with 25 days of rain contributing to a total of 188 mm (7.4 in), making it one of the wetter periods. The interplay of vibrant sun and afternoon showers paints a picturesque yet dynamic backdrop for visitors seeking both relaxation and adventure. For a deeper dive into what to expect throughout the year, check out our detailed guide on the Hawaiian Beaches Climate.