August Weather in Naha, Japan

Last updated: August 21, 2025

In August, Naha, Japan, experiences warm and humid weather, with an average temperature around 28°C (83°F). Daily maxima can reach up to 30°C (87°F), while the nights remain comfortably warm, typically not dropping below 26°C (78°F). This month is characterized by significant rainfall, with total precipitation amounting to 205 mm (8.1 in) over approximately 17 days, making it one of the wetter periods of the year. With a humidity level averaging 82%, visitors should prepare for a tropical climate that influences both outdoor activities and sightseeing plans.

August Temperature in Naha

In August, Naha, Japan experiences warm and tropical weather, with temperatures consistently hovering between a minimum of 26°C (78°F) and a maximum of 30°C (87°F). The average temperature during this peak summer month reaches a pleasant 28°C (83°F), reflecting a steady rise that began as early as June. This warmth, characteristic of the region, creates an inviting atmosphere ideal for beach activities and outdoor exploration. As the month progresses, the temperatures show little fluctuation, which aligns with the trend of tropical weather seen in the summer months, making August a vibrant time to experience the rich culture and stunning landscapes of Naha.

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

The chart illustrates August temperature patterns in Naha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naha, 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).
JanFebMarAprMayJunJulAugSepOctNovDec656568707580828382797468
Data source: Temperature data for Naha 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 Naha

In Naha, Japan, August marks a significant shift in precipitation patterns, bringing an average of 205 mm (8.1 in) over 17 days of rainfall. This is slightly less than the rainfall experienced in June and September, which see the year’s peak with 302 mm and 253 mm, respectively. Interestingly, August maintains the high precipitation trend typical of the summer months, following June's heavy rains and July's moderate splash of 192 mm (7.6 in). Despite its robust rainfall, August serves as a transitional period leading into the wetter autumn months, illustrating how Naha's climate evolves from the intensity of summer to the more balanced conditions of fall.

August Precipitation Trends in Naha

The chart displays monthly precipitation patterns in Naha, 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 Naha, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9197107137208302192206253160104188
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Naha

In August, Naha, Japan, experiences a notable shift in humidity, with levels settling at 82%. This figure marks a slight decrease from the peak humidity levels of 86% recorded in both June and July, showcasing the subtropical climate's typical summer patterns. As the sweltering heat gives way to the approach of autumn, the humidity remains relatively high, comparable to September's 82%, signaling a consistent tropical experience throughout late summer. Overall, the trend shows that while Naha maintains a generally humid environment year-round, the transition from the peak summer months initiates a gradual cooling down, accompanied by slightly lower humidity levels as the seasons change.

August Average Humidity in Naha

This chart illustrates the average monthly humidity levels in Naha, 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 Naha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%76%82%84%86%86%82%82%81%79%75%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Naha

In August, Naha, Japan, maintains a UV Index of 13, categorizing it as extreme and resulting in a quick burn time of just 10 minutes. This peak UV level aligns with the trends seen throughout the summer months, where the UV Index consistently hovers at 13, reflecting the intense solar exposure typical for this region. As we transition into autumn, the UV Index dips slightly to 12 in September, but it remains in the extreme category, underscoring Naha's unique climate and the importance of UV protection year-round. For more detailed information on the UV Index in Naha, check Naha UV Index.

Maximum UV Index Levels in Naha for August

The chart shows the monthly maximum UV Index (UVI) for Naha 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 Naha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911121313131312996
Data source: Naha 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 Naha

August in Naha, Japan, shines brightly with an impressive 319 hours of sunshine, making it one of the sunniest months of the year. This peak in daylight comes after a steady climb from 154 hours in January, illustrating a clear trend of increasing sunshine as summer approaches. Notably, July and August boast the highest hours, reflecting Naha's vibrant summer landscape filled with outdoor activities and beachgoers soaking up the sun. As the seasons transition into fall, September experiences a slight decline to 295 hours, yet the overall pattern shows a resilient summer sun that lingers well into the latter months of the year, closing out with 228 hours in November. Naha's sunshine journey throughout the year not only enhances its tropical allure but also invites visitors to indulge in its warm, inviting days.

Monthly Sunshine Duration in Naha: August Highlighted

The August sunshine duration represents the total number of hours Naha 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h203h268h269h305h264h317h319h295h274h228h192h
Data source: Naha August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Naha During August

In August, Naha, Japan, enjoys a 39% chance of sunny weather, marking a noteworthy peak in bright days compared to the rainy preceding months. This slight rise suggests a shift toward more favorable conditions as summer approaches its end. Notably, the sunniest months are yet to come, as September boasts a 59% likelihood of sunshine. While August may not be the sunniest month overall, its relatively high chance of clear skies, in conjunction with the balmy summer temperatures, makes it a delightful time to experience the vibrant culture and beautiful landscapes of Okinawa.

Percentage of Sunny Days in August in Naha

The chart illustrates the percentage of sunny days in Naha 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 Naha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%42%46%39%30%9%30%39%59%51%44%35%
Data source: Naha August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Naha in August

In Naha, Japan, August continues the trend of long summer days, offering a generous 13 hours of daylight. This duration aligns with the preceding summer months of June and July, which also provide the maximum sunlight. As summer wanes, daylight gradually decreases in September, dropping to 12 hours, and continues to shorten in the following months, culminating in a return to 10 hours of daylight by November and December. This rhythmic change in daylight not only marks the transition of seasons but also influences the vibrant seasonal activities and local culture that thrive under the summer sun.

Average Daylight Hours in Naha for August

The chart illustrates the variation in daylight duration in Naha throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 41m11h 15m12h12h 46m13h 25m13h 44m13h 34m13h 1m12h 16m11h 30m10h 51m10h 30m
Data source: Naha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Naha

In August, Naha, Japan experiences a gentle average wind speed of 6.9 m/s (15 mph), reflecting a slight lull compared to the summer months of June and July, which register higher speeds of 6.5 m/s (15 mph) and 7.5 m/s (17 mph) respectively. This trend indicates a gradual easing of the summer breeze, as the winds begin to taper off in the transition toward the fall season. Following August, the winds continue to diminish, with September seeing the lowest average of 5.4 m/s (12 mph) before picking up again in October. Overall, the wind patterns in Naha showcase a notable seasonal shift, with breezier conditions dominating during the summer, giving way to calmer airflows as autumn approaches.

Average August Wind Speed in Naha

The chart displays monthly wind speed patterns in Naha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.26.95.97.66.36.57.56.9 m/s5.47.97.97.7
Data source: Naha August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Naha Compares to Other Months

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

In August, the weather is characterized by warm temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), reaching a maximum of 30°C (87°F). The month also sees significant precipitation, totaling 205 mm (8.1 in) over 17 days, along with high humidity levels at 82%. In contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F) and an average of 19°C (66°F). Precipitation is lighter in January, at 91 mm (3.6 in) over 11 days, and humidity drops to 71%. For a detailed look at January’s weather patterns, you can check Naha weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 26°C (78°F), averaging around 28°C (83°F), and peaking at 30°C (87°F). The month is also marked by high humidity at 82%, contributing to a sultry atmosphere, and experiences significant rainfall, with 205 mm (8.1 in) over 17 days. In comparison, February offers a much cooler climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (76°F), averaging 19°C (66°F). The month is drier, with only 97 mm (3.8 in) of precipitation over 12 days and lower humidity at 71%. For more detailed information on February weather, check Naha weather in February.

In comparing the weather in August and March, it is clear that August is significantly warmer and more humid. August boasts temperatures that range from a minimum of 26°C (78°F) to a maximum of 30°C (87°F), averaging at 28°C (83°F). In contrast, March experiences much cooler weather with temperatures ranging from a low of 14°C (57°F) to a high of 24°C (76°F), averaging around 20°C (68°F). Additionally, August receives more precipitation, with 205 mm (8.1 in) over 17 days, while March sees only 107 mm (4.2 in) across 11 days. The humidity in August is also higher at 82%, compared to 76% in March. For more specific details about the weather in March, you can check Naha weather in March.

When comparing the weather in August and April, a significant difference in temperature is evident. August boasts a minimum temperature of 26°C (78°F) and averages around 28°C (83°F), reaching a high of 30°C (87°F). In contrast, April features much milder conditions, with temperatures ranging from a low of 15°C (60°F) to an average of 21°C (71°F) and a maximum of 26°C (79°F). Additionally, August experiences higher rainfall, with 205 mm (8.1 in) over 17 days, while April sees less precipitation at 137 mm (5.4 in) across 11 days. Both months share a similar humidity level of 82%. For more details on weather conditions, you can check Naha weather in April.

When comparing the weather in August and May, it is evident that August is significantly warmer. Temperatures in August range from a minimum of 26°C (78°F) to an average of 28°C (83°F), peaking at 30°C (87°F). In contrast, May experiences milder temperatures, with a minimum of 19°C (67°F), an average of 24°C (76°F), and a maximum of 27°C (82°F). Although both months see substantial rainfall, August has a slightly higher precipitation total of 205 mm (8.1 in) over 17 days, compared to May's 208 mm (8.2 in) across 12 days. Humidity levels are relatively similar, with August at 82% and May at 84%. For more details on the May weather specifics, you can refer to Naha weather in May.

In comparing the weather between June and August, we see that August tends to be slightly warmer, with minimum temperatures around 26°C (78°F) compared to June's 21°C (70°F). The average temperature in August is also higher at 28°C (83°F) versus June's 26°C (80°F). However, June experiences more precipitation, with a total of 302 mm (11.9 in) over 19 days, while August sees 205 mm (8.1 in) across 17 days. Humidity levels are slightly higher in June at 86%, compared to 82% in August. For more detailed weather insights, check out Naha weather in June.

Comparing the weather in July and August reveals some interesting trends. Both months have similar temperature ranges, with minimum temperatures around 26°C (78°F), average temperatures of 28°C (83°F), and maximum temperatures reaching 30°C (87°F) in each month. However, August experiences slightly more rainfall, with a total of 205 mm (8.1 in) over 17 days, compared to July's 192 mm (7.6 in) over 13 days. Additionally, humidity levels are higher in August at 82%, compared to 86% in July. For more detailed insights on July weather, you can visit Naha weather in July.

August and September experience similar average temperatures, with both months averaging around 28°C (83°F). However, August has slightly higher minimum and maximum temperatures, ranging from 26°C (78°F) to 30°C (87°F), compared to September's 24°C (75°F) to 30°C (87°F). Precipitation increases in September, totaling 253 mm (10.0 in) over 19 days, compared to August's 205 mm (8.1 in) across 17 days. Despite the increase in rainfall, both months maintain high humidity levels at 82%. For more detailed information, you can check Naha weather in September.

August and October offer contrasting weather experiences. August is characterized by warmer temperatures, with daily averages around 28°C (83°F) and frequent rain, totaling 205 mm (8.1 in) over approximately 17 days, resulting in a higher humidity level of 82%. In comparison, October sees a slight drop in temperatures, averaging 26°C (79°F) and peaking at 29°C (84°F), along with reduced rainfall of 160 mm (6.3 in) across 13 days and a slightly lower humidity of 80%. For more detailed information about the weather conditions in October, you can check Naha weather in October.

August and November present a notable contrast in weather conditions. In August, temperatures soar with a minimum of 26°C (78°F) and an average of 28°C (83°F), peaking at 30°C (87°F). This month is characterized by high humidity at 82% and significant rainfall, averaging 205 mm (8.1 in) over 17 days. In contrast, November sees cooler temperatures, with a minimum of 19°C (67°F), an average of 23°C (74°F), and a maximum of 27°C (80°F). Precipitation decreases substantially to 103 mm (4.1 in) over just 11 days, accompanied by slightly lower humidity at 79%. For a detailed look at conditions, check out Naha weather in November.

In August, the weather is characterized by warm temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), peaking at 30°C (87°F). This month also sees significant rainfall, with 205 mm (8.1 in) spread over 17 days, contributing to a high humidity level of 82%. In contrast, December features much cooler temperatures, with minimums around 14°C (58°F) and a pleasant average of 20°C (69°F), reaching a maximum of 25°C (78°F). Rainfall in December is slightly lower at 188 mm (7.4 in) over 16 days, and humidity decreases to 75%. For a more detailed look at Naha's weather this month, visit Naha weather in December.

Compare Naha's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Naha

As August beckons in Naha, the warm embrace of summer truly comes alive, showcasing distinct weather patterns that set it apart from other months. With average temperatures hovering around a comfortable 28°C (83°F), this month is characterized by high humidity levels of 82%, making it feel even warmer. Moreover, August is marked by increased rainfall, averaging 205 mm over 17 days, which is notably higher than the preceding months, enhancing the lushness of the surroundings. If you're planning a visit, be prepared for the tropical heat and occasional showers that define this vibrant time. For a deeper dive into Naha's weather patterns, check out Naha Climate.