August Weather in Awaji, Japan

Last updated: August 21, 2025

In Awaji, Japan, August presents a warm summer atmosphere characterized by a maximum temperature reaching up to 32°C (90°F) and an average of 27°C (82°F). Nights cool down to a comfortable minimum of 21°C (71°F), providing a pleasant respite from the day’s heat. However, this warmth is accompanied by significant precipitation, totaling 165 mm (6.5 in) over an average of 10 rainy days, resulting in a humidity level of 92% that enhances the tropical feel of the island. Visitors should prepare for a blend of sun and showers, making August an intriguing month for exploring Awaji's lush landscapes and vibrant culture.

August Temperature in Awaji

In August, Awaji, Japan, basks in its warmest temperatures of the year, with lows hovering at a comfortable 21°C (71°F) and averages reaching a steamy 27°C (82°F). The daily highs peak at an impressive 32°C (90°F), signaling vibrant summer days perfect for outdoor exploration. This month follows a progressive climb from the milder conditions of June and July, where temperatures began to rise significantly. As August draws to a close, the transition into September promises a slight cooling, with average temperatures dipping to 25°C (77°F). This pattern highlights Awaji's characteristic summer heat, offering an inviting atmosphere for visitors seeking warmth and sunshine.

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

The chart illustrates August temperature patterns in Awaji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Awaji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454550576571788177685950
Data source: Temperature data for Awaji 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 Awaji

In August, Awaji, Japan, experiences a substantial precipitation total of 165 mm (6.5 in), reflecting a typical midsummer rainy season. This month, characterized by 10 rainy days, sees a slight decrease in rainfall compared to the torrential downpours of July, when the area recorded a remarkable 294 mm (11.6 in) over 16 days. The trend indicates a peak in precipitation during the summer months, with June and July showing particularly high figures. Following August, the wet pattern persists into September, hinting at the lingering effects of seasonal monsoons. Overall, this month serves as a critical point in Awaji’s weather cycle, transitioning from the heaviest rains towards the drier months ahead.

August Precipitation Trends in Awaji

The chart displays monthly precipitation patterns in Awaji, 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 Awaji, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54621061271531622941651962605772
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Awaji

In August, the humidity in Awaji, Japan reaches a peak of 92%, consistent with the trend seen in July, which also recorded the same level. This high humidity marks a significant increase from the 73% in March and follows a gradual rise through the spring and early summer months. Notably, while the humidity remains stable at these elevated levels, it begins a slow decline in September, dropping to 87%. Overall, August stands as one of the most humid months of the year, reflecting the hot summer climate that envelops Awaji, creating a sultry atmosphere that demands a refreshing escape.

August Average Humidity in Awaji

This chart illustrates the average monthly humidity levels in Awaji, 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 Awaji is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Awaji

In August, Awaji, Japan, experiences a UV Index of 11, signifying an extreme exposure category, with a rapid burn time of just 10 minutes. This aligns with the prevailing trend seen throughout the summer months, where the UV Index remains consistently high, peaking in July at 12. As temperatures soar, the critical need for sun protection is paramount, echoing the patterns established earlier in the year, particularly in April and May when the UV levels reached the same extreme rating. Awareness of the August UV Index is essential for locals and visitors alike, ensuring safe enjoyment of the beautiful summer days on the island. For more detailed information, visit Awaji UV Index.

Maximum UV Index Levels in Awaji for August

The chart shows the monthly maximum UV Index (UVI) for Awaji 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 Awaji typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121110754
Data source: Awaji 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 Awaji

As summer peaks, August shines brightly in Awaji, Japan, boasting an impressive 316 hours of sunshine. This month stands out as a vibrant culmination of the sunshine hours that gradually increase throughout the year. Beginning with a modest 182 hours in January, the trend of longer days steadily builds, reaching its zenith in August. Following a peak in sunshine, September shows a slight dip to 253 hours, signaling the transition toward autumn. The overall pattern illustrates not only the allure of a sun-soaked August but also the rhythmic ebbs and flows of seasonal light that Awaji experiences, creating a captivating tapestry of sunshine year-round.

Monthly Sunshine Duration in Awaji: August Highlighted

The August sunshine duration represents the total number of hours Awaji 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h227h266h283h297h278h279h316h253h242h237h216h
Data source: Awaji August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Awaji During August

In Awaji, Japan, August presents a somewhat cloudy outlook, with a 31% chance of sunny weather. This figure marks a slight dip compared to the sunnier months of January and February, which enjoy probabilities of 47% and 54%, respectively. As the summer progresses, sunny days become less frequent, with June and July delivering even lower chances at 26% and 32%. Interestingly, the likelihood of enjoying bright skies sees a gradual increase again in the fall months, with October boasting a more promising 60%. Overall, while August offers a modest chance for sunshine, the persistent trend suggests a need for flexibility in outdoor plans during these warmer months in Awaji.

Percentage of Sunny Days in August in Awaji

The chart illustrates the percentage of sunny days in Awaji 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 Awaji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%55%44%48%32%26%32%31%31%60%53%56%
Data source: Awaji August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Awaji in August

In August, Awaji, Japan enjoys a pleasant 13 hours of daylight, marking a slight decrease from the peak summer months of June and July, which boast the longest days at 14 hours. This transition indicates the gradual shift towards autumn as daylight begins to shorten. Following August, the daylight duration further declines to 12 hours in September and down to 11 hours by October, reflecting the waning summer. Throughout the year, it’s clear that Awaji experiences a consistent ebb and flow of daylight hours, starting at 10 hours in winter and peaking in the abundant light of mid-summer, perfectly capturing the rhythm of the seasons.

Average Daylight Hours in Awaji for August

The chart illustrates the variation in daylight duration in Awaji throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 55m11h 58m13h 2m13h 57m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 52m
Data source: Awaji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Awaji

In August, the wind in Awaji, Japan, picks up slightly, with an average speed of 5.2 m/s (12 mph). This is a welcome respite from the lighter breezes of the summer months, where wind speeds dwindle to a low of 3.2 m/s (7 mph) in July. As the season transitions towards autumn, the winds begin to strengthen again, with figures showing a gradual increase through the fall months. Interestingly, the overall trend reveals a clear pattern: wind speeds peak during the winter months, reaching 6.1 m/s (14 mph) in December. The climate in Awaji seems to harmonize beautifully with the ebb and flow of the seasons, showcasing a dynamic interplay between calm and invigorating winds.

Average August Wind Speed in Awaji

The chart displays monthly wind speed patterns in Awaji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.95.44.94.94.83.83.25.2 m/s3.74.55.16.1
Data source: Awaji August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Awaji Compares to Other Months

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

August and January present stark contrasts in weather conditions. In August, temperatures are warm, with a minimum of 21°C (71°F) and averages reaching around 27°C (82°F), peaking at a maximum of 32°C (90°F). The month also experiences significant rainfall, totaling 165 mm (6.5 in) over approximately 10 days, paired with high humidity levels at 92%. In contrast, January offers much cooler temperatures, with a minimum of 0°C (33°F) and an average of just 7°C (45°F), while the maximum only reaches 16°C (61°F). Precipitation in January is lighter, with 54 mm (2.1 in) over about 9 days and a slightly lower humidity of 82%. For more detailed information on January weather, you can refer to Awaji weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 21°C (71°F) to a maximum of 32°C (90°F), coupled with high humidity levels at 92%. It's also a relatively wet month, with about 165 mm (6.5 in) of precipitation spread over 10 days. In contrast, February offers a much cooler climate, with temperatures averaging only 7°C (45°F), peaking at 15°C (59°F) and dropping to a chilly 1°C (34°F). Precipitation in February is lower at 62 mm (2.4 in) over 8 days, and the humidity is slightly reduced at 79%. For more details on February weather, visit Awaji weather in February.

August and March present dramatically different weather conditions. In August, temperatures are quite warm, with a minimum of 21°C (71°F) and an average of 27°C (82°F), peaking at a hot 32°C (90°F). The month is also characterized by high humidity at 92% and significant rainfall of 165 mm (6.5 in) over 10 days. In stark contrast, March experiences much cooler temperatures, with a minimum of 3°C (38°F) and an average of just 10°C (50°F), reaching a maximum of 16°C (62°F). Rainfall in March is lighter, totaling 106 mm (4.2 in) and also spread over 10 days, accompanied by lower humidity levels at 73%. For a deeper dive into the weather specifics of March, you can visit Awaji weather in March.

When comparing the weather in April and August, it's clear that August is significantly warmer, with average temperatures ranging from 21°C (71°F) to a high of 32°C (90°F), while April offers a cooler climate, with averages from 6°C (43°F) to 20°C (69°F). Additionally, August experiences higher humidity at 92% compared to April's 74%. Precipitation is also more frequent in August, occurring on 10 days and totaling 165 mm (6.5 in), whereas April sees rain on 8 days with a total of 127 mm (5.0 in). For more detailed insights about the weather during April, you can check this link: Awaji weather in April.

When comparing the weather in August and May, a distinct difference in temperature and humidity emerges. August experiences warmer conditions with minimum temperatures around 21°C (71°F) and an average of 27°C (82°F), peaking at 32°C (90°F). In contrast, May has a cooler climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (75°F), resulting in an average of 18°C (65°F). Both months receive similar amounts of precipitation, with August recording 165 mm (6.5 in) and May at 153 mm (6.0 in), though August has slightly higher humidity at 92% compared to May's 84%. For more details, you can check Awaji weather in May.

When comparing the weather in August and June, it’s evident that August is significantly warmer, with average temperatures reaching 27°C (82°F) compared to June's 22°C (71°F). Additionally, August experiences higher maximum temperatures, peaking at 32°C (90°F), while June’s maximum is 26°C (79°F). Both months have similar precipitation levels, with August recording 165 mm (6.5 in) and June slightly lower at 162 mm (6.4 in), though August has a day less of rain with precipitation occurring over 10 days compared to 11 days in June. Humidity is also higher in August, averaging 92% compared to June’s 86%. For more detailed information, you can visit Awaji weather in June.

In comparing the weather conditions of August and July, we observe that both months experience similar minimum temperatures, with July slightly cooler on average. August boasts a higher average temperature of 27°C (82°F) compared to July's 26°C (78°F), and it reaches a maximum of 32°C (90°F), making it the warmer month. However, July sees significantly more precipitation, accumulating 294 mm (11.6 in) across 16 days, while August has 165 mm (6.5 in) over just 10 days. Interestingly, both months maintain a high humidity level of 92%. For a more detailed look at July's weather specifics, you can explore Awaji weather in July.

In August, the weather tends to be warmer with average temperatures around 27°C (82°F), peaking at a maximum of 32°C (90°F) on hotter days. However, this month also experiences significant rainfall, with 165 mm (6.5 in) of precipitation over about 10 days and high humidity levels at 92%.

In contrast, September brings a slight drop in temperatures, averaging 25°C (77°F) with a maximum of 30°C (87°F). This month is also wetter, receiving 196 mm (7.7 in) of rainfall spread over 14 days, though the humidity is somewhat lower at 87%. For those interested in specifics about September weather, you can find more details here: Awaji weather in September.

August and October exhibit contrasting weather patterns. In August, temperatures range from a minimum of 21°C (71°F) to a maximum of 32°C (90°F), with an average of 27°C (82°F). The month is characterized by high humidity at 92% and considerable rainfall, totaling 165 mm (6.5 in) over approximately 10 days. In contrast, October experiences cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 27°C (80°F), averaging 20°C (68°F). Rainfall increases to 260 mm (10.2 in) over 11 days, and humidity slightly decreases to 85%. For more specific details on October weather, you can refer to Awaji weather in October.

August and November display distinctly different weather patterns. In August, temperatures are significantly warmer, ranging from a minimum of 21°C (71°F) to a maximum of 32°C (90°F), with an average of 27°C (82°F). The month is also characterized by high humidity at 92% and considerable rainfall, totaling 165 mm (6.5 in) over about 10 days. In contrast, November experiences much cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 22°C (72°F), averaging around 15°C (59°F). Precipitation drops significantly to 57 mm (2.2 in) over 8 days, and humidity levels decrease to 84%. For more specific insights about November weather, you can check Awaji weather in November.

The weather in August is characterized by warm temperatures, with a minimum of 21°C (71°F) and an average of 27°C (82°F), peaking at 32°C (90°F). This month experiences significant precipitation, totaling 165 mm (6.5 in) over about 10 days, and a high humidity level of 92%. In contrast, December brings a much cooler climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F) and an average of 10°C (50°F). The precipitation is lower, at 72 mm (2.9 in) across 11 days, and humidity decreases to 82%. For more details, check out Awaji weather in December.

Compare Awaji's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Awaji

In August, Awaji experiences a notable shift in weather compared to other months, characterized by higher temperatures and heightened humidity. With an average temperature around 27°C, the warmth is coupled with a substantial 92% humidity, creating a sultry atmosphere. While precipitation is frequent, occurring on about 10 days, it contributes to the lush landscape rather than dampening enthusiasm for outdoor activities. This unique blend of heat and moisture sets August apart, making it an intriguing month for both locals and travelers. For detailed insights into Awaji's climate, you can explore Awaji Climate.