August Weather in Kagoshima, Japan

Last updated: August 21, 2025

In Kagoshima, Japan, August brings a stifling heat with maximum temperatures soaring up to 36°C (97°F), accompanied by an average of 28°C (84°F) and minimums around 22°C (72°F). As the summer sun shines brightly, residents and visitors alike can expect high humidity levels reaching 85%, making the air feel notably warmer. This month also experiences considerable rainfall, with a total precipitation of 192 mm (7.6 in) over approximately 17 days, adding a layer of complexity to the weather. Whether you're exploring the vibrant city or enjoying its natural beauty, being prepared for both heat and occasional downpours is essential in August.

August Temperature in Kagoshima

August in Kagoshima, Japan ushers in the peak of summer, characterized by warmth and humidity. With minimum temperatures rising to a balmy 22°C (72°F) and average highs soaring to a stunning 36°C (97°F), this month stands out as the hottest of the year. The average temperature of 28°C (84°F) invites locals and tourists alike to embrace outdoor activities and soak in the vibrant atmosphere. In contrast to the cooler months of January to July, August marks a significant shift towards tropical warmth, showcasing the region's subtropical climate. As summer wanes and September approaches, a noticeable dip in temperatures begins, but the essence of August’s heat lingers, creating a lively and festive ambiance in this picturesque coastal city.

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

The chart illustrates August temperature patterns in Kagoshima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kagoshima, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec484956636975818379716051
Data source: Temperature data for Kagoshima 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 Kagoshima

In August, Kagoshima experiences a notable shift in precipitation patterns, receiving 192 mm (7.6 in) over 17 days of rain. This marks a decrease from the peak rainy months of June and July, which see much heavier downpours—423 mm (16.7 in) and 403 mm (15.9 in) respectively. The late summer rains provide a refreshing transition as the city moves toward autumn, but they are significantly lighter compared to the monsoon intensity of previous months. This pattern not only indicates a moderation in rainfall but also sets the stage for a gradual decrease in precipitation as the year progresses, with September likely to see a return to wetter conditions at 254 mm (10.0 in). The variability in monthly rainfall reflects Kagoshima's dynamic climate, where the summer season brings both heavy thunderstorms and periods of respite.

August Precipitation Trends in Kagoshima

The chart displays monthly precipitation patterns in Kagoshima, 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. In Kagoshima, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec531031701472604234031922541379782
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kagoshima

In Kagoshima, Japan, August brings a notable humidity level of 85%, continuing the trend of high moisture that characterizes the summer months. Following July's peak at 90%, August sees a slight dip, yet it remains among the most humid times of the year. This pattern highlights a steady increase in humidity from the spring months, which begin around 79% in April, peaking in the summer before gradually tapering off in the following months. As September approaches with a humidity drop to 80%, the transition towards cooler seasons begins, but the lingering warmth of summer still makes August feel particularly sultry, perfectly encapsulating Kagoshima's humid climate.

August Average Humidity in Kagoshima

This chart illustrates the average monthly humidity levels in Kagoshima, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Kagoshima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kagoshima

In August, Kagoshima experiences its peak UV Index of 13, categorizing the exposure as extreme and reducing the safe sun exposure time to just 10 minutes. This marks a continuation of a trend seen since April, where figures have consistently spiked, reflecting the intense summer sun. As the months progress from January's moderate UV Index of 5 to August's extremes, it's essential for residents and visitors alike to prioritize sun safety. With the risk of sunburn escalating rapidly, applying sunscreen and seeking shade should be top of mind. For more detailed information about daily UV levels, visit Kagoshima UV Index.

Maximum UV Index Levels in Kagoshima for August

The chart shows the monthly maximum UV Index (UVI) for Kagoshima 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. In August, the maximum UV index in Kagoshima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610111212121311864
Data source: Kagoshima 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 Kagoshima

In Kagoshima, Japan, August shines as the sunniest month of the year, boasting an impressive 315 hours of glorious sunlight. This peak in sunshine follows a steady upward trend, starting from the chill of 188 hours in January. As the seasons change, sunlight increases consistently, reaching a delightful crescendo in late summer. After a moderate dip in June, where sun hours tally 255, July sees a revival at 286 hours, setting the stage for August's radiant brilliance. Post-summer, the daylight begins to wane again, with September and October showing 274 and 264 hours respectively, signaling a gentle transition into autumn. This seasonal cycle not only highlights Kagoshima's vibrant climate but also beckons outdoor enthusiasts to embrace the region’s stunning landscapes under the sun's warm embrace.

Monthly Sunshine Duration in Kagoshima: August Highlighted

The August sunshine duration represents the total number of hours Kagoshima 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h233h267h289h283h255h286h315h274h264h244h227h
Data source: Kagoshima August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kagoshima During August

In Kagoshima, Japan, the likelihood of sunny weather in August is moderate, sitting at 30%. This marks a slight increase from the much cloudier months of June and July, which experience only 17% and 20% chances of sun, respectively. However, August still falls short compared to the sunnier months of October and November, where the chances rise to 59% and 51%, making those months far more inviting for sun-seekers. Interestingly, the summer months show a varied pattern, with May recording the lowest chance of sunshine at 24%, suggesting that while August offers some sun, there's still a considerable chance of overcast days.

Percentage of Sunny Days in August in Kagoshima

The chart illustrates the percentage of sunny days in Kagoshima 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 Kagoshima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%45%39%40%24%18%20%30%41%59%51%50%
Data source: Kagoshima August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kagoshima in August

In Kagoshima, Japan, the month of August offers a generous 13 hours of daylight, consistent with the summer months that precede it. This duration reflects a peak that emerges in June when the days stretch to their longest at 14 hours, before gradually settling back in September and October. The trend of increasing daylight begins in January with just 10 hours, gradually building up through the spring and summer months. As the seasons change, daylight diminishes steadily, returning to 10 hours by December. August, being at the heart of summer, showcases the vibrant energy of the season with longer days that allow for ample outdoor activities and enjoyment of nature's beauty.

Average Daylight Hours in Kagoshima for August

The chart illustrates the variation in daylight duration in Kagoshima throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 19m11h 2m11h 59m12h 56m13h 45m14h 9m13h 57m13h 15m12h 19m11h 22m10h 32m10h 6m
Data source: Kagoshima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kagoshima

In Kagoshima, Japan, the August wind presents a gentle embrace with an average speed of 2.9 m/s (7 mph), slightly breezier than the preceding months. This modest uptick continues a trend of gradual variation throughout the year, where wind speeds generally peak during the winter months of January and February, averaging around 3.1 m/s and 3.7 m/s, respectively. The summer months, however, tend to experience a dip, with June recording the softest breezes at 2.2 m/s (5 mph). As we transition from the swelter of summer to the cooler autumn months, the winds pick up again, with November and December likely to bring a refreshing change as they approach the winter's more vigorous gusts. Overall, Kagoshima's winds convey a rhythmic cycle, whispering tales of seasonal change while maintaining a predominantly soft disposition during the summer's zenith.

Average August Wind Speed in Kagoshima

The chart displays monthly wind speed patterns in Kagoshima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.72.83.12.72.22.82.9 m/s2.32.43.03.5
Data source: Kagoshima August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kagoshima Compares to Other Months

Weather in Kagoshima varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kagoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present stark contrasts in weather conditions. In August, temperatures range from a minimum of 22°C (72°F) to a sweltering maximum of 36°C (97°F), with an average of 28°C (84°F). The month is also characterized by high humidity at 85% and considerable precipitation, totaling 192 mm (7.6 in) over 17 days. In contrast, January experiences much cooler conditions, with temperatures varying from a chilly -2°C (29°F) to a maximum of 21°C (69°F) and an average of only 9°C (49°F). This month sees significantly less rainfall, accumulating just 53 mm (2.1 in) over 6 days, along with lower humidity levels at 72%. For a closer look at January weather specifics, you can explore Kagoshima weather in January.

August and February showcase strikingly different weather patterns. In August, temperatures soar with a minimum of 22°C (72°F) and an average of 28°C (84°F), peaking at a sweltering 36°C (97°F). The month is also characterized by heavy precipitation, totaling 192 mm (7.6 in) over 17 days, coupled with high humidity at 85%. In contrast, February brings a much cooler climate, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 21°C (70°F) and an average of 10°C (50°F). It experiences less rainfall, with 103 mm (4.0 in) over just 10 days, and the humidity is lower at 68%. For more detailed information, visit Kagoshima weather in February.

August and March present distinct contrasts in weather characteristics. August experiences much warmer temperatures, ranging from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with a high average of 28°C (84°F). Additionally, it brings significant precipitation at 192 mm (7.6 in) over 17 days, coupled with high humidity levels at 85%. In contrast, March offers a cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 25°C (76°F), and an average of 13°C (56°F). Although March sees slightly less precipitation at 170 mm (6.7 in) over 12 days, it maintains a lower humidity level of 72%. For more detailed information about March weather, you can visit Kagoshima weather in March.

In August, the weather is significantly hotter and more humid compared to April. Temperatures in August range from a minimum of 22°C (72°F) to a scorching maximum of 36°C (97°F), with an average of 28°C (84°F). The month experiences considerable precipitation, with 192 mm (7.6 in) falling over 17 days, contributing to a high humidity of 85%. In contrast, April offers much milder conditions, with temperatures ranging from a cool minimum of 6°C (44°F) to a pleasant maximum of 27°C (81°F), averaging 17°C (63°F). It sees less rainfall at 147 mm (5.8 in) over 9 days and lower humidity at 79%. For more detailed information, you can visit Kagoshima weather in April.

When comparing the weather in August and May, notable differences emerge. August typically boasts higher temperatures, with a minimum of 22°C (72°F) and an average around 28°C (84°F), peaking at 36°C (97°F). In contrast, May offers a cooler climate, with temperatures starting at a minimum of 8°C (47°F) and averaging 21°C (70°F), topping off at 31°C (88°F). While August is characterized by high humidity at 85% and significant rainfall of 192 mm (7.6 in) over 17 days, May experiences slightly less precipitation at 260 mm (10.2 in) but with rain spread over only 12 days. For more detailed insights, you can visit Kagoshima weather in May.

When comparing the weather in August and June, it's clear that August tends to be hotter, with average temperatures reaching around 28°C (84°F) and highs peaking at 36°C (97°F). In contrast, June experiences milder temperatures, with an average of 24°C (75°F) and maximums of 32°C (89°F). Precipitation levels in June are notably higher, totaling 423 mm (16.7 in) over 18 days, compared to August's 192 mm (7.6 in) across 17 days. Both months have high humidity levels, with August at 85% and June slightly higher at 86%. For more detailed information, you can visit Kagoshima weather in June.

When comparing the weather in August to that of July, we can see some notable differences. August typically experiences slightly higher temperatures, with minimums around 22°C (72°F) and maximums reaching up to 36°C (97°F), compared to July's minimum of 19°C (67°F) and maximum of 34°C (94°F). However, August has a significantly lower total precipitation, with 192 mm (7.6 in) over 17 days, in contrast to July's 403 mm (15.9 in) over 23 days. Humidity also decreases slightly from July's 90% to August's 85%. For a detailed overview of July weather, you can visit Kagoshima weather in July.

In August, the weather is typically warmer, with average temperatures reaching up to 28°C (84°F) and a maximum of 36°C (97°F). The month experiences significant rainfall, totaling 192 mm (7.6 in) over 17 days, alongside high humidity levels at 85%. In contrast, September sees a slight drop in temperatures, with averages around 26°C (79°F) and a maximum of 34°C (93°F). However, it features even heavier rainfall, with 254 mm (10.0 in) over 18 days, and slightly lower humidity at 80%. For more details, you can check the Kagoshima weather in September.

August and October present contrasting weather patterns. In August, the temperatures range from a minimum of 22°C (72°F) to a blistering maximum of 36°C (97°F), with an average of 28°C (84°F) and high humidity at 85%. This month experiences frequent rainfall, totaling 192 mm (7.6 in) over 17 days. In contrast, October sees much cooler temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (89°F), with an average of 22°C (71°F). Precipitation also decreases significantly to 137 mm (5.4 in) over just 9 days, accompanied by lower humidity levels at 78%. For more details, you can check Kagoshima weather in October.

August and November present stark contrasts in weather conditions. In August, temperatures soar, with minimums around 22°C (72°F) and maximums reaching up to 36°C (97°F), accompanied by high humidity levels of 85%. This month also sees significant precipitation, with about 192 mm (7.6 in) falling over 17 days, making it one of the wetter months of the year. In contrast, November offers a much cooler climate, with temperatures dropping to a minimum of 3°C (38°F) and an average of 16°C (61°F). There is significantly less rainfall during this month, totaling 97 mm (3.8 in) over just 9 days, and the humidity decreases to 76%. For a detailed look at weather patterns in November, you can check out Kagoshima weather in November.

August and December present stark contrasts in weather. August boasts high temperatures, with averages around 28°C (84°F) and maxima reaching up to 36°C (97°F), accompanied by high humidity levels at 85%. The month also experiences significant rainfall, totaling 192 mm (7.6 in) over 17 days. In contrast, December features much cooler weather, with temperatures ranging from a chilly 1°C (34°F) at night to a pleasant 25°C (77°F) during the day, averaging just 11°C (51°F). Rainfall is substantially lower, with only 82 mm (3.2 in) across 8 days, and humidity decreased to 74%. For more detailed insights, visit Kagoshima weather in December.

Compare Kagoshima's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kagoshima

August in Kagoshima brings a vibrant mix of heat and humidity, setting it apart from other months of the year. With temperatures soaring to a maximum of 36°C (97°F), this summer month feels distinctly more tropical, coupled with persistently high humidity levels around 85%. Rainfall is also more common, with nearly half of the month experiencing precipitation, making it a wet time for the region. This combination of warmth and moisture not only creates a humid atmosphere but also fuels the lush landscapes that Kagoshima is renowned for. Despite the rain, the allure of summer activities thrives, inviting visitors to embrace the unique blend of sunny and rainy days. For a deeper understanding of how Kagoshima's weather varies throughout the year, explore Kagoshima Climate.