August Weather in Kapa'a, United States

Last updated: February 24, 2025

In August, Kapa'a, United States experiences a warm tropical climate characterized by a maximum temperature of 28°C (83°F) and an average of 25°C (78°F), while evenings bring a mild minimum temperature of 22°C (73°F). This month is notable for its high humidity, averaging 83%, which can enhance the perception of heat. Rainfall is common, with total precipitation reaching 80 mm (3.2 in) over 23 rainy days, creating a lush, vibrant landscape. Visitors can expect a mix of sunny and rainy spells, making it essential to prepare for both sun and showers while enjoying the island's natural beauty.

August Temperature in Kapa'a

In Kapa'a, August marks the peak of summer, showcasing warm and inviting temperatures that entice both locals and visitors alike. With a minimum of 22°C (73°F), an average of 25°C (78°F), and a maximum soaring to 28°C (83°F), this month aligns with the gradual warming trend observed since the beginning of the year. Notably, August's temperatures are consistent with July's, suggesting a comfortable and stable climate perfect for beach outings and outdoor activities. As the year progresses, temperatures begin to gently taper off into autumn, but August undeniably captures that quintessential tropical warmth, making it a highlight of Kapa'a's yearly weather rhythm.

August Weather in Kapa'a: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Kapa'a, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727171737476777878777573
Data source: Temperature data for Kapa'a 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 Kapa'a

In August, Kapa'a experiences moderate precipitation, recording 80 mm (3.2 in) over 23 days. This level of rainfall mirrors July's totals, indicating a consistency in the wet conditions typical for the summer months. Notably, the frequency of rainy days remains high during this period, hinting at the region's tropical climate where brief showers can occur frequently. As August transitions into September, the precipitation begins to taper off slightly, leading into the drier months ahead, yet the summer humidity continues to envelop the area. Overall, the steady rain not only nourishes the lush landscapes but also contributes to the island's vibrant ecosystem, making Kapa'a a verdant paradise even in the heart of summer.

August Precipitation Trends in Kapa'a

The chart displays monthly precipitation patterns in Kapa'a, 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.
JanFebMarAprMayJunJulAugSepOctNovDec60941568063928080659576127
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kapa'a

In August, Kapa'a experiences a slight uptick in humidity, reaching 83%, which is consistent with the increasing trend observed throughout the summer months. Following a gradual rise from 78% in January to an elevated 83% in July, August maintains this higher humidity level, signaling the island's lush tropical climate. This peak in humidity often leads to a vibrant display of greenery, creating an inviting atmosphere. As the year progresses towards autumn, a gradual decline begins, with humidity levels dropping to 82% in September and continuing to soften through the following months. Overall, the consistent warmth and humidity throughout the summer months highlight Kapa'a's identity as a tropical paradise.

August Average Humidity in Kapa'a

This chart illustrates the average monthly humidity levels in Kapa'a, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kapa'a

In August, Kapa'a experiences a UV Index of 13, placing it firmly in the extreme exposure category, with a burn time of just 10 minutes. This marks the continuation of a trend seen throughout the summer months, where the UV Index reaches its peak. From May to August, Kapa'a consistently records high UV levels, highlighting the importance of sun protection during this time. As the seasons transition into September, the UV Index slightly decreases to 12, yet it remains at an extreme level. To ensure safe sun exposure, residents and visitors alike should remain vigilant about UV protection throughout the summer. For more detailed insights on UV levels in the area, visit Kapa'a UV Index.

Maximum UV Index Levels in Kapa'a for August

The chart shows the monthly maximum UV Index (UVI) for Kapa'a 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.
JanFebMarAprMayJunJulAugSepOctNovDec710111113121313121087
Data source: Kapa'a 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 Kapa'a

In Kapa'a, August shines brightly with an impressive 337 hours of sunshine, marking a peak in the summer months. The trend reveals a gradual increase in daylight hours from January's 216 hours to a summer high in July, when the sun graces the skies for 349 hours. While August sees a slight dip from July, it still maintains a substantial amount of sun, contributing to the vibrant atmosphere of this charming coastal town. As summer begins to wane, September follows closely with 315 hours, indicating that Kapa'a's sun-kissed days extend well into the fall. Overall, the data showcases a stunning progression throughout the year, with Kapa'a basking in generous sunlight from the outset, especially during the summer months when outdoor activities flourish in this tropical paradise.

Monthly Sunshine Duration in Kapa'a: August Highlighted

The August sunshine duration represents the total number of hours Kapa'a 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.
JanFebMarAprMayJunJulAugSepOctNovDec216h256h283h305h335h334h349h337h315h298h268h256h
Data source: Kapa'a August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kapa'a During August

In Kapa'a, August stands out as a beacon of sunny potential, boasting a 61% chance of clear skies. This marks a notable increase from the earlier summer months, as June, while promising at 60%, gives way to July's dip to 46%. The trend indicates a gradual return to sunnier weather, especially as the season transitions towards fall. Following August, September holds a moderate 54% likelihood of sunshine, ensuring that the summer warmth lingers a bit longer. With such favorable odds, August offers an ideal backdrop for outdoor adventures and soaking up the Hawaiian sun.

Percentage of Sunny Days in August in Kapa'a

The chart illustrates the percentage of sunny days in Kapa'a 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 Kapa'a experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%52%43%50%56%60%46%61%54%56%56%33%
Data source: Kapa'a August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kapa'a in August

In Kapa'a, United States, the month of August offers a delightful 12 hours of daylight, marking a subtle transition from the sun-drenched peak of summer. Following the peak of 13 hours in June and July, daylight begins to taper off, reflecting the gradual shift toward autumn. This gentle reduction in daylight is part of a broader trend, where January kicks off the year with only 10 hours and steadily increases until the summer solstice. As summer wanes, both September maintains the same 12-hour duration and October brings shorter days, reminding residents that nature’s rhythms continue to evolve throughout the year. Embrace the lingering light of August as a perfect time to enjoy the vibrant outdoors before the days grow shorter.

Average Daylight Hours in Kapa'a for August

The chart illustrates the variation in daylight duration in Kapa'a throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 25m12h 2m12h 40m13h 11m13h 26m13h 18m12h 50m12h 13m11h 36m11h 3m10h 48m
Data source: Kapa'a daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kapa'a

In Kapa'a, August enjoys a gentle breeze, with an average wind speed of 5.3 m/s (12 mph), making it a delightful time for outdoor activities. As summer transitions into autumn, the winds remain relatively stable, reflecting a trend of varying speeds throughout the year. The earlier months of the year experienced slightly lower winds, with February and April hitting their seasonal lows at 5.1 m/s (11 mph) and 4.8 m/s (11 mph), respectively. However, July saw a resurgence in gusts, reaching 6.0 m/s (14 mph), setting the stage for August's pleasant conditions. This pattern of fluctuating yet mild winds continues into September and October, maintaining an average of 5.5 m/s (12 mph), before giving way to the lighter breezes of November. Overall, the wind in August offers the perfect mix for enjoying Kapa'a's stunning landscapes while still providing a hint of invigorating motion.

Average August Wind Speed in Kapa'a

The chart displays monthly wind speed patterns in Kapa'a, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.16.14.84.84.66.05.3 m/s5.55.53.96.1
Data source: Kapa'a August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kapa'a Compares to Other Months

The weather in Kapa'a 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 Kapa'a and find detailed weather information for every month.

When comparing the weather in August and January, August tends to be warmer and more humid, with average temperatures reaching 25°C (78°F) and maximums of 28°C (83°F). In contrast, January experiences slightly cooler temperatures, with an average of 22°C (73°F) and maximums of 25°C (78°F). Additionally, August sees more precipitation, with 80 mm (3.2 in) over 23 days, compared to January's 60 mm (2.3 in) over just 11 days. Humidity levels are also higher in August at 83%, compared to 78% in January. For more details, you can check Kapa'a weather in January.

August and February present contrasting weather patterns. August typically features warmer temperatures, with a minimum of 22°C (73°F) and an average of 25°C (78°F), peaking at 28°C (83°F). This month also experiences higher humidity at 83% and significant rainfall, with 80 mm (3.2 in) over 23 days. In contrast, February is slightly cooler, boasting a minimum of 16°C (62°F) and an average of 22°C (71°F), with a maximum of 26°C (78°F). Although February is drier, with 94 mm (3.7 in) of precipitation over just 17 days, its humidity remains relatively high at 79%. For more information, you can check Kapa'a weather in February.

When comparing the weather in August and March, we notice some key differences. August typically experiences warmer temperatures, with a minimum of 22°C (73°F) and an average of 25°C (78°F), peaking at a maximum of 28°C (83°F). In contrast, March sees slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 22°C (72°F), and a maximum of 25°C (78°F). Precipitation levels also vary significantly: August receives 80 mm (3.2 in) of rain over 23 days, while March has a higher rainfall amount of 156 mm (6.1 in) across 21 days. The humidity is relatively high in both months, with August averaging 83% and March at 78%. For more specific details about the weather conditions in March, you can visit Kapa'a weather in March.

When comparing the weather in August and April, we see some notable differences despite similar precipitation levels. August enjoys slightly warmer temperatures, with a minimum of 22°C (73°F) and an average of 25°C (78°F), while April has a minimum of 19°C (67°F) and an average of 23°C (73°F). Both months receive about 80 mm (3.2 in) of precipitation, but August typically experiences rain on 23 days compared to 20 days in April. Humidity levels are also relatively close, with August at 83% and April at 81%, providing a warm and humid atmosphere in both months. For a detailed look at April’s weather, you can visit Kapa'a weather in April.

When comparing the weather in August and May, we see similar patterns, but with some notable differences. August tends to be slightly warmer, with average temperatures of 25°C (78°F) compared to May's 23°C (74°F). The maximum temperatures in August reach up to 28°C (83°F), while May peaks at 27°C (81°F). Additionally, August experiences more precipitation, with 80 mm (3.2 in) of rain over 23 days, compared to May's 63 mm (2.5 in) across 21 days. Humidity levels are comparable, with August at 83% and May at 82%. For more detailed information about Kapa'a weather in May, you can visit Kapa'a weather in May.

In comparing the weather of June and August, both months exhibit relatively warm conditions, with August boasting slightly higher temperatures, ranging from a minimum of 22°C (73°F) to an average of 25°C (78°F), and a maximum of 28°C (83°F). In contrast, June has a slightly cooler temperature profile with a minimum of 21°C (71°F), an average of 24°C (76°F), and a maximum of 27°C (81°F). Precipitation levels are notably high in both months, but August experiences slightly less rainfall with 80 mm (3.2 in) over 23 days, compared to June's 92 mm (3.6 in) over 20 days. Humidity remains comparable, with August at 83% and June at 82%. For a closer look at June's weather patterns, visit Kapa'a weather in June.

In comparing the weather conditions of August and July, we notice that both months exhibit similar temperature ranges. August maintains a minimum of 22°C (73°F), an average of 25°C (78°F), and a maximum of 28°C (83°F), which aligns closely with July's figures of the same minimum and average temperatures but a slightly lower maximum at 28°C (82°F). Rainfall is consistent between the two months, with both recording 80 mm (3.2 in); however, July experiences precipitation on 26 days compared to August's 23 days, indicating a slightly wetter July. Humidity levels remain unchanged at 83% for both months. For a detailed look at July’s weather, you can refer to Kapa'a weather in July.

In comparing the weather in August and September, we see some subtle differences. Both months maintain a similar average temperature of 25°C (78°F), with maximums reaching up to 28°C (83°F). However, August tends to be slightly more humid at 83% compared to September's 82%. The rainfall in August is notably higher, with 80 mm (3.2 in) spread over 23 days, while September experiences less precipitation at 65 mm (2.5 in) over 21 days. For more detailed information, you can check out Kapa'a weather in September.

In comparing the weather of August and October, we can observe that both months maintain similar temperature ranges, with August showing a minimum of 22°C (73°F) and an average of 25°C (78°F), while October holds steady with a minimum of 22°C (71°F) and an average of 25°C (77°F). Interestingly, October experiences slightly higher precipitation at 95 mm (3.7 in) over 22 days compared to August's 80 mm (3.2 in) spread across 23 days. Additionally, the humidity levels slightly drop in October to 81% from August's 83%, contributing to a marginally drier feel. For more detailed insights, check out Kapa'a weather in October.

In comparing the weather between August and November, we see similar temperature patterns, with August averaging 25°C (78°F) and November slightly cooler at 24°C (76°F). Both months experience warm temperatures, with maximums reaching 28°C (83°F) in August and 27°C (81°F) in November. Precipitation is quite comparable as well, with August receiving 80 mm (3.2 in) over 23 days, while November has slightly less at 76 mm (3.0 in) over 21 days. Additionally, humidity levels remain high in both months, with August at 83% and November just a bit lower at 80%. For more specific details, you can check out Kapa'a weather in November.

August and December offer distinct weather experiences, with August typically being warmer and more humid. In August, temperatures average around 25°C (78°F) with highs reaching 28°C (83°F), accompanied by significant humidity at 83%. Rainfall is moderate, with about 80 mm (3.2 in) spread over 23 days. In contrast, December presents slightly cooler temperatures, averaging 23°C (74°F) and peaking at 26°C (79°F). This month experiences a higher total rainfall of 127 mm (5.0 in) across 21 days, but with a lower humidity level of 79%. For more detailed information on December weather, visit Kapa'a weather in December.

Compare Kapa'a's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kapa'a

As August unfolds in Kapa'a, visitors can expect a warm and humid atmosphere, with temperatures hovering around the comfortable mid-20s°C. Unlike the drier months, this peak of summer brings an increase in precipitation, with frequent rain showers contributing to a lush landscape. The high humidity at 83% intensifies the tropical experience, making it feel even warmer. Although rain may graces many days, it often comes as short bursts, leaving plenty of opportunities to soak up the sun. For a deeper dive into Kapa'a's unique weather patterns throughout the year, check out Kapa'a Climate.