August Weather in Rusutsu, Japan

Last updated: August 21, 2025

August in Rusutsu, Japan offers a blend of warm temperatures and high humidity, making it a notable summer destination. With maximum temperatures reaching up to 32°C (89°F) and an average of 20°C (69°F), visitors can expect pleasantly warm days. However, the month also brings its share of precipitation, averaging 147 mm (5.8 in) over 13 days, which adds to the lush landscapes of the region. Despite the rain, the humidity remains high at 95%, creating a distinct, tropical ambiance that enhances the beauty of this charming locale. Whether exploring the outdoors or enjoying local attractions, August in Rusutsu is a vibrant experience for all who visit.

August Temperature in Rusutsu

In Rusutsu, Japan, the month of August experiences delightful warmth, showcasing a significant shift from the icy depths of winter. With minimum temperatures around 8°C (47°F) and averages peaking at 20°C (69°F), the summer heat creates an inviting atmosphere for outdoor activities. The maximum temperatures can climb to a toasty 32°C (89°F), reflecting the peak of the summer season. This notable rise in temperatures is a stark contrast to the frigid conditions of earlier months, making August an ideal time for visitors to soak in the lush landscapes and vibrant scenery that the region has to offer. As summer begins to transition to fall, the refreshing warmth encourages a range of experiences, from hiking to leisurely explorations of the stunning natural surroundings.

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

The chart illustrates August temperature patterns in Rusutsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rusutsu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212332415359686962513825
Data source: Temperature data for Rusutsu 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 Rusutsu

August in Rusutsu, Japan, is marked by a significant surge in precipitation, with the month receiving 147 mm (5.8 in) of rain over 13 days. This represents the highest monthly total, showcasing the region's shift into a wetter phase as summer comes to a close. The increased rainfall in August contrasts with the drier month of June, which, despite having more rain days, totals only 112 mm (4.4 in). This trend not only emphasizes the variability of weather patterns throughout the summer but also sets the stage for the upcoming wetter autumn months, as precipitation begins to level off with 116 mm (4.6 in) recorded in September and subsequent months.

August Precipitation Trends in Rusutsu

The chart displays monthly precipitation patterns in Rusutsu, 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 Rusutsu, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64698993871129814711611511686
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Rusutsu

August in Rusutsu, Japan, is characterized by a notable peak in humidity, reaching an impressive 95%. This rise in moisture content follows the trend set by the summer months, where July also experiences high humidity at 93%. As the warm season progresses, the humidity steadily increases from a moderate 81% in early spring to a sweltering climax in August. This trend highlights how the region's summer brings a heavy, tropical-like feel, setting it apart from the cooler, drier months of winter where humidity dips to the lowest around 79% in November. Such fluctuations emphasize the distinct seasonal transformations that define Rusutsu's climate throughout the year.

August Average Humidity in Rusutsu

This chart illustrates the average monthly humidity levels in Rusutsu, 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 Rusutsu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rusutsu

In August, Rusutsu experiences one of its peak UV Index levels, maintaining a consistent score of 10, which falls into the very high exposure category. This trend of elevated UV levels has been persistent since June, with values at this high threshold indicating that sunburn can occur in as little as 15 minutes of unprotected exposure. Notably, while the UV Index saw a gradual rise from January's modest 2 to May's significant 9, it has plateaued in the summer months, suggesting that outdoor enthusiasts should take extra precautions during this time. With September slightly tapering off to an 8, the late summer sun remains potent. For detailed insights on UV Index variations throughout the year, check the statistics here: Rusutsu UV Index.

Maximum UV Index Levels in Rusutsu for August

The chart shows the monthly maximum UV Index (UVI) for Rusutsu 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 Rusutsu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236791010108632
Data source: Rusutsu 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 Rusutsu

In August, Rusutsu, Japan, basks in the afterglow of summer, enjoying a noteworthy 289 hours of sunshine. This figure, while slightly lower than July's peak of 313 hours, continues to reflect the region's vibrant summer atmosphere. The trend throughout these warmer months showcases a significant increase in sunlight, starting from a modest 135 hours in January and climbing steadily as the seasons transition. This steady rise peaks in July, making August a delightful lingering moment of warmth before the sunlight begins to wane in early autumn, with September experiencing a noticeable drop to 270 hours. As the days grow shorter, the balance between sunshine and twilight invites residents and visitors to relish the tail end of summer's embrace in this enchanting locale.

Monthly Sunshine Duration in Rusutsu: August Highlighted

The August sunshine duration represents the total number of hours Rusutsu 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.
JanFebMarAprMayJunJulAugSepOctNovDec135h192h248h288h307h298h313h289h270h236h182h167h
Data source: Rusutsu August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rusutsu During August

In Rusutsu, Japan, the likelihood of welcoming sunny weather during August stands at 27%, which reflects a slight dip compared to the previous months. As summer peaks, the sunshine seen in June (43%) and July (38%) takes a step back, aligning more closely with the lower figures observed in the early months of the year. This pattern suggests that while August continues to benefit from the warmer season, potential cloudy or rainy days become increasingly common as the month progresses. Despite this, visitors can still hope to enjoy the vivid landscapes illuminated by rare sunbreaks, making the most of their summer adventures in this scenic region.

Percentage of Sunny Days in August in Rusutsu

The chart illustrates the percentage of sunny days in Rusutsu 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 Rusutsu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%25%32%41%26%43%38%27%32%35%35%30%
Data source: Rusutsu August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rusutsu in August

In August, Rusutsu, Japan, enjoys a delightful 13 hours of daylight, a slight dip from the peak summer daylight of 15 hours in June. As the vibrant summer season begins to wane, residents and visitors alike can still take advantage of the long, sunlit days that allow for outdoor adventures and exploration. This trend of gradually decreasing daylight continues into the fall, with daylight hours tapering off to 12 hours in September and further to 11 hours by October. The gradual transition in daylight reflects the rhythm of the seasons, inviting a leisurely appreciation for the stunning landscapes of Rusutsu as summer gives way to autumn.

Average Daylight Hours in Rusutsu for August

The chart illustrates the variation in daylight duration in Rusutsu throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 56m13h 23m14h 37m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Rusutsu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Rusutsu

In August, Rusutsu experiences a gentle whisper of wind, with an average speed of 2.2 m/s (5 mph). This slight breeze is part of a broader trend seen throughout the year, where wind speeds tend to fluctuate modestly. As winter approaches, from January to April, the winds remain steady, hovering around 2.6 to 3.0 m/s (6-7 mph), offering a crisp freshness to the snow-covered landscape. The summer months evoke a more subdued atmosphere, as both June and July report lower speeds of 2.1 m/s (5 mph), coinciding with warmer temperatures. Interestingly, the winds gradually pick up again from November, reaching similar velocities to those earlier in the year. Overall, the wind in Rusutsu throughout August serves as a tranquil bridge between the activities of summer and the impending chill of fall, perfectly encapsulating the region's serene charm.

Average August Wind Speed in Rusutsu

The chart displays monthly wind speed patterns in Rusutsu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.02.62.82.52.12.12.2 m/s2.12.22.72.7
Data source: Rusutsu August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Rusutsu Compares to Other Months

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

August and January show striking contrasts in weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 20°C (69°F). This month sees high humidity levels of 95% and considerable precipitation, totaling 147 mm (5.8 in) over about 13 days. In comparison, January presents a much colder climate, with temperatures ranging from -20°C (-4°F) to a maximum of 4°C (39°F) and an average of -6°C (22°F). Despite having precipitation over 15 days, it only accumulates to 64 mm (2.5 in), and the humidity is relatively lower at 84%. For more detailed information about January weather, you can visit Rusutsu weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures range from a mild 8°C (47°F) to a warm 32°C (89°F), with an average of 20°C (69°F). This month experiences substantial precipitation, totaling 147 mm (5.8 in) over approximately 13 days, coupled with high humidity levels reaching 95%. In contrast, February is characterized by much colder temperatures, with a minimum of -17°C (1°F) and a maximum of just 7°C (45°F), averaging -5°C (23°F). Although February sees less total rainfall—69 mm (2.7 in) over about 18 days—the humidity is still relatively high at 83%. For more details on February weather in a specific region, check out Rusutsu weather in February.

The weather in August and March presents a stark contrast, highlighting the transition from summer to late winter in the region. August boasts a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (89°F) and an average of 20°C (69°F). However, it also brings higher humidity at 95% and significant precipitation, accumulating 147 mm (5.8 in) over 13 days. In contrast, March is characterized by chillier conditions, with temperatures varying from a minimum of -13°C (10°F) to a maximum of 13°C (56°F) and an average of 0°C (32°F). Despite receiving less rainfall at 89 mm (3.5 in) over 14 days, the humidity is lower at 81%. For a detailed look at the conditions in March, you can visit Rusutsu weather in March.

The weather in August significantly differs from that in April. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average temperature of 20°C (69°F). This month experiences high humidity at 95% and substantial precipitation of 147 mm (5.8 in) over about 13 days. In contrast, April is much cooler, with temperatures ranging from a chilly -6°C (22°F) to a mild 19°C (67°F), and an average temperature of only 5°C (41°F). Precipitation is lower at 93 mm (3.7 in), occurring over 12 days, and humidity is also less pronounced at 81%. For more specific details on the weather in this month, check out Rusutsu weather in April.

In comparing the weather of August and May, August experiences significantly warmer temperatures, with a minimum of 8°C (47°F) and an average of 20°C (69°F), reaching a high of 32°C (89°F). In contrast, May's temperatures are much cooler, ranging from a minimum of 2°C (35°F) to an average of 11°C (53°F), peaking at 29°C (84°F). Additionally, August is notably wetter, with 147 mm (5.8 in) of precipitation over 13 days, while May sees less rainfall at 87 mm (3.4 in) across 12 days. Despite the increased rainfall in August, the humidity is higher, averaging 95% compared to 86% in May. For more detailed information about May weather specifically, you can visit Rusutsu weather in May.

Comparing the weather in August and June reveals distinct seasonal differences. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 20°C (69°F), while June sees cooler temperatures, with a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum of 26°C (79°F). August is also considerably wetter, experiencing 147 mm (5.8 in) of precipitation over 13 days, compared to June's 112 mm (4.4 in) across 11 days. Additionally, humidity is higher in August at 95%, compared to 87% in June. For more detailed information about June weather, visit Rusutsu weather in June.

In comparing the weather between July and August, one can observe a notable increase in precipitation during August, with 147 mm (5.8 in) over 13 days, contrasted with July's 97 mm (3.8 in) over 12 days. Temperature-wise, both months share a similar average of around 20°C (68°F), although August sees a slightly broader range with a minimum of 8°C (47°F) and a maximum of 32°C (89°F), compared to July's minimum of 11°C (51°F) and maximum of 31°C (89°F). Humidity levels are also higher in August at 95%, compared to July's 93%. For more detailed information about July's weather, visit Rusutsu weather in July.

August typically experiences warmer temperatures, with minimums around 8°C (47°F), an average of 20°C (69°F), and maximums reaching 32°C (89°F). However, it is also characterized by high humidity at 95% and significant precipitation, totaling 147 mm (5.8 in) over about 13 rainy days. In contrast, September sees a slight drop in temperatures, with minimums at 4°C (39°F), an average of 17°C (62°F), and maximums of 28°C (83°F). The month is slightly less rainy, accumulating 116 mm (4.6 in) over 14 days, and humidity levels decrease to 88%. For more detailed insights, check out Rusutsu weather in September.

The weather in August is typically warm, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (89°F) and an average of 20°C (69°F). This month also experiences high humidity levels at 95% and considerable rainfall, averaging 147 mm (5.8 in) over 13 days. In contrast, October brings a noticeable drop in temperatures, with a minimum of -2°C (29°F), an average of 10°C (51°F), and a maximum of 24°C (75°F). Although October has slightly less precipitation at 115 mm (4.5 in) over 15 days, the humidity also decreases to 83%. For more detailed information about October weather conditions, you can explore Rusutsu weather in October.

August and November present contrasting weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 20°C (69°F), making it a warm and humid month, accompanied by 147 mm (5.8 in) of precipitation over 13 days and a high humidity level of 95%. Conversely, November experiences much colder weather, with temperatures dropping to a minimum of -12°C (11°F) and reaching a maximum of 16°C (60°F), while averaging only 3°C (39°F). Although November sees slightly less precipitation at 116 mm (4.6 in), it occurs over more days, totaling 20 days, and the humidity is lower at 79%. For more details, visit Rusutsu weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), creating a warm average of 20°C (69°F). This month sees significant rainfall, with 147 mm (5.8 in) spread over 13 days and high humidity levels of 95%. In contrast, December experiences much colder temperatures, with a minimum of -17°C (2°F) and a maximum of just 11°C (51°F), resulting in an overall average of -4°C (25°F). Although precipitation is lower at 86 mm (3.4 in), it occurs over more days—24 in total—alongside humidity levels of 80%. To learn more about the weather specifics in December, visit Rusutsu weather in December.

Compare Rusutsu's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Rusutsu

August in Rusutsu offers a unique blend of warmth and humidity, setting it apart from other months. While temperatures can reach a maximum of 32°C, the average is a comfortable 20°C, inviting visitors to enjoy outdoor activities amidst lush landscapes. However, the season is also marked by high humidity levels of 95% and frequent precipitation, with rain gracing the area on about 13 days of the month. This combination creates a vibrant, flourishing environment, perfect for those seeking the beauty of nature in its peak summer form. For a deeper insight into the climate throughout the year, visit Rusutsu Climate.