August Weather in Kawasaki, Japan

Last updated: August 21, 2025

In Kawasaki, Japan, August presents a warm and humid climate, characterized by maximum temperatures soaring to 34°C (93°F) and an average of 28°C (82°F), making it a prime month for summer activities. However, the minimum temperature during the nights can drop to a comfortable 20°C (68°F), offering some respite from the heat. This month also sees considerable rainfall, with a total precipitation of 104 mm (4.1 in) over 12 days, contributing to humidity levels that can reach an impressive 90%. Travelers should prepare for both sweltering days and the possibility of sudden summer showers while exploring this vibrant city during its peak summer season.

August Temperature in Kawasaki

In August, Kawasaki, Japan enjoys its warmest temperatures, with average highs reaching 34°C (93°F) and lows around 20°C (68°F). This month marks a noticeable peak in the summer heat, following the increasing warmth of July, where temperatures hover around 35°C (95°F). The transition from June onwards sets the stage for this summer climax, as the city moves from milder mid-20s to the more sultry embrace of August. With average temperatures at 28°C (82°F), it’s a time when residents and visitors alike relish in outdoor activities, basking in the warmth before the cooler tones of autumn begin to set in. Overall, August stands out as a vibrant month, embodying the spirited essence of summer in Kawasaki.

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

The chart illustrates August temperature patterns in Kawasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kawasaki, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434551586772788275665848
Data source: Temperature data for Kawasaki 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 Kawasaki

In August, Kawasaki experiences a notable respite in precipitation, with a total of 104 mm (4.1 in) falling over 12 days. This marks a dip from the wetter months of June and July, which are characterized by significantly higher rainfall—161 mm (6.3 in) and 209 mm (8.2 in), respectively. As summer peaks, August's rainfall reflects a typical shift towards more stable weather, allowing for a balance between warmth and occasional showers. Despite this reduction, the city's humidity remains palpable, paving the way for lush landscapes that flourish through the latter part of summer. The transition into September heralds a return to increased rainfall, suggesting a cyclical rhythm in Kawasaki’s seasonal patterns.

August Precipitation Trends in Kawasaki

The chart displays monthly precipitation patterns in Kawasaki, 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 Kawasaki, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec53431381161181612091041872668764
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kawasaki

In August, Kawasaki, Japan experiences a significant humidity level of 90%, marking it as one of the most humid months of the year. This high moisture content is part of an upward trend that begins in the late spring, with humidity rising from 74% in April to a peak of 93% in July. Although August sees a slight decrease from July's peak, it maintains a stifling atmosphere characteristic of the peak summer season. Following this humid spell, September brings a gradual decline to 86%, but the overall trend showcases how Kawasaki’s summer months are enveloped in notable humidity. The data reflects a seasonal pattern where humidity rates soar, making this atmospheric quality a defining aspect of life in Kawasaki during the summer.

August Average Humidity in Kawasaki

This chart illustrates the average monthly humidity levels in Kawasaki, 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 Kawasaki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kawasaki

In August, Kawasaki experiences an extreme UV Index of 11, which means the risk of harm from unprotected sun exposure is significantly elevated, necessitating caution. With a burn time of just 10 minutes, this month highlights a trend of consistently high UV levels, aligning with the peak summer season. This intensity mirrors the preceding months of June and July, where the UV Index also reached 11. As summer progresses, residents and visitors alike should stay vigilant and take protective measures against the sun, while anticipating a slight decrease in September, when the UV Index drops to 10. For more detailed information, visit Kawasaki UV Index.

Maximum UV Index Levels in Kawasaki for August

The chart shows the monthly maximum UV Index (UVI) for Kawasaki 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 Kawasaki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Kawasaki 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 Kawasaki

August in Kawasaki, Japan, welcomes an impressive 288 hours of sunshine, marking the peak of summer brilliance. This month stands out not only for its bright days but also as the most luminous period in a year filled with steadily increasing sunshine. Starting from 191 hours in January, there’s a remarkable upward trend, culminating in August's glorious light. Peaks in luminosity resonate through the warmer months; after a gradual increase from 260 hours in March to 285 hours in May, July experiences a slight dip to 234 hours. However, August’s radiant hours reignite the joy of summer, leading gracefully into the softer glow of autumn with 235 hours in September. This trend reflects Kawasaki's vibrant climate, where summer's warmth is truly celebrated, giving locals and visitors alike ample opportunities to enjoy the outdoors under the sun's generous embrace.

Monthly Sunshine Duration in Kawasaki: August Highlighted

The August sunshine duration represents the total number of hours Kawasaki 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h233h260h273h285h262h234h288h235h202h231h231h
Data source: Kawasaki August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kawasaki During August

In August, Kawasaki, Japan experiences a 37% chance of sunny weather, which marks a slight increase from the previous month but remains relatively low compared to other seasons. Notably, as summer gradually transitions into autumn, the likelihood of clear skies dips from a peak in early spring, where March boasts a 42% chance. This trend indicates that while there are sunny days to be enjoyed, visitors should also be prepared for the possibility of overcast skies. In contrast to the brighter months of January and February, with probabilities reaching up to 66%, August’s weather can often lean towards the unpredictable, suggesting a blend of sun and clouds for those spending time in this vibrant city.

Percentage of Sunny Days in August in Kawasaki

The chart illustrates the percentage of sunny days in Kawasaki 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 Kawasaki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%66%42%50%24%24%34%37%28%50%59%64%
Data source: Kawasaki August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kawasaki in August

In Kawasaki, Japan, the trend of daylight duration throughout the year showcases a vibrant cycle influenced by the seasons. Starting from 10 hours in January and February, the days gradually lengthen, reaching a peak of 14 hours during the lush months of June and July. As summer begins to wane, August experiences a slight decline with 13 hours of daylight, hinting at the arrival of fall. The transition continues into September with a further reduction to 12 hours, followed by a gradual descent back to 10 hours by November. This rhythmic pattern not only marks the changing of seasons but also enhances the charm of outdoor activities in Kawasaki, making every sunrise and sunset a fleeting moment to cherish.

Average Daylight Hours in Kawasaki for August

The chart illustrates the variation in daylight duration in Kawasaki throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Kawasaki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kawasaki

In August, Kawasaki experiences a pleasant average wind speed of 4.8 m/s (11 mph), a modest increase that aligns with the preceding months. Notably, this period follows a gradual decline in wind strength from the more robust breezes of May. As summer peaks, the winds remain gentle, providing a refreshing respite from the rising temperatures. Interestingly, this slight rise from July's 3.2 m/s (7 mph) contributes to an overall stability in the region's climatological patterns, which tend to fluctuate between strengths of 3.2 m/s to 5.3 m/s throughout the year. The winds of August, therefore, create a comfortable outdoor ambiance while hinting at the transitions to the softer breezes of autumn in September.

Average August Wind Speed in Kawasaki

The chart displays monthly wind speed patterns in Kawasaki, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.94.85.33.73.24.8 m/s4.44.64.14.5
Data source: Kawasaki August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kawasaki Compares to Other Months

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

August and January present contrasting weather patterns. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), accompanied by high humidity levels averaging around 90%. This month experiences substantial rainfall, with approximately 104 mm (4.1 in) spread over 12 days. In stark contrast, January is characterized by much colder temperatures, with lows dropping to -3°C (27°F) and highs reaching only 18°C (65°F). The humidity is lower at 76%, and precipitation is significantly reduced to 52 mm (2.1 in) over just 4 days. For more detailed insights into January weather, you can check out Kawasaki weather in January.

The weather in August tends to be significantly warmer and more humid compared to February. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), with an average of 28°C (82°F). This month also experiences high humidity levels at 90% and notable rainfall, accumulating about 104 mm (4.1 in) over 12 days. In contrast, February sees much cooler weather, with temperatures ranging from a chilly 0°C (31°F) to a mild 18°C (66°F), averaging just 7°C (45°F). February also has lower precipitation, totaling 43 mm (1.7 in) over 7 days, and a reduced humidity of 74%. For more detailed information about February weather, you can check Kawasaki weather in February.

The weather in August is markedly warmer than in March, with average temperatures reaching 28°C (82°F) compared to a cooler average of 11°C (52°F) in March. August boasts higher maximum temperatures, peaking at 34°C (93°F), while March's highs only reach 20°C (69°F). Additionally, August experiences higher humidity at 90%, creating a more oppressive heat, whereas March has a relatively comfortable humidity level of 70%. Despite both months having 12 days of precipitation, March records a higher total rainfall of 138 mm (5.4 in) compared to August's 104 mm (4.1 in). For more details on March weather, visit Kawasaki weather in March.

When comparing the weather in August and April, there are distinct differences in temperature and humidity levels. August is notably warmer, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), and an average of 28°C (82°F). In contrast, April experiences much milder conditions, with temperatures spanning from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), averaging around 15°C (58°F). Additionally, August is characterized by high humidity at 90%, while April's humidity is more moderate at 74%. Precipitation is similar, with August receiving 104 mm (4.1 in) over 12 days, while April has slightly higher precipitation at 116 mm (4.6 in) over 10 days. For more detailed information, you can refer to Kawasaki weather in April.

August and May present distinct weather characteristics that reflect the transition from spring to summer. In August, temperatures soar with a minimum of 20°C (68°F) and an average high of 28°C (82°F), peaking at a sweltering 34°C (93°F). In contrast, May enjoys more moderate temperatures, ranging from a minimum of 11°C (52°F) to an average of 19°C (67°F), and a maximum of 27°C (80°F). Precipitation also differs slightly; while August receives 104 mm (4.1 in) over 12 days, May has a bit more with 118 mm (4.6 in) across 11 days. Humidity is quite high in August at 90%, compared to a more comfortable 81% in May. For more detailed insights into May's weather, check out Kawasaki weather in May.

When comparing the weather in August and June, August tends to be hotter, with minimum temperatures around 20°C (68°F) and averages reaching up to 28°C (82°F). In contrast, June has a cooler temperature range, with minimums around 16°C (61°F) and average temperatures of 22°C (72°F). While August experiences slightly less rainfall at 104 mm (4.1 in) over 12 days, June is typically wetter, receiving 161 mm (6.3 in) across 13 days. Humidity levels are quite similar, with August at 90% and June at 88%. For more detailed insights on the June climate, you can refer to Kawasaki weather in June.

In comparing the weather between August and July, August tends to be slightly warmer on average, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), while July experiences a range of 19°C (66°F) to a higher maximum of 35°C (95°F). However, July sees significantly more rainfall, with 209 mm (8.2 in) over 16 days compared to August's 104 mm (4.1 in) over 12 days. Humidity levels are fairly comparable, with August at 90% and July at 93%. For a detailed look at July's weather, you can visit Kawasaki weather in July.

August typically features warmer temperatures with a minimum of 20°C (68°F), an average of 28°C (82°F), and a maximum of 34°C (93°F). The month also sees significant rainfall, recording about 104 mm (4.1 in) over 12 days, combined with high humidity levels of 90%.

In contrast, September brings cooler conditions, with temperatures dropping to a minimum of 16°C (60°F), an average of 24°C (76°F), and a maximum of 32°C (90°F). However, it has even higher rainfall, accumulating 187 mm (7.4 in) over 16 days, while humidity slightly decreases to 86%.

For more details on the weather specifics, you can check Kawasaki weather in September.

In August, the weather is characterized by warm temperatures, with a minimum of 20°C (68°F) and an average of 28°C (82°F), peaking at a scorching 34°C (93°F). The month also sees a significant amount of rainfall, totaling 104 mm (4.1 in) over 12 days, accompanied by high humidity levels at 90%. In contrast, October experiences a notable drop in temperatures, with lows of 11°C (52°F) and a mild average of 19°C (67°F), reaching a maximum of 28°C (83°F). However, October brings even more rain, accumulating 266 mm (10.5 in) over 16 days, while the humidity decreases slightly to 83%. For a detailed overview of October weather in Kawasaki, you can visit Kawasaki weather in October.

August and November present stark contrasts in weather. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), accompanied by high humidity at 90%. The month sees an average temperature of 28°C (82°F) and experiences 104 mm (4.1 in) of rainfall over 12 days, making it a hot and often humid period. In contrast, November brings cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 23°C (73°F), leading to an average temperature of 14°C (58°F). The precipitation in November totals 87 mm (3.4 in) over 11 days, and the humidity decreases to 80%, creating a much drier and crisper atmosphere. For more details on the weather specifics of November, you can refer to Kawasaki weather in November.

In August, the weather is typically warm and humid, with average temperatures around 28°C (82°F) and maximums reaching up to 34°C (93°F). This month experiences considerable rainfall, totaling 104 mm (4.1 in) over about 12 days, and humidity levels are quite high at 90%. In contrast, December brings a much cooler climate, with temperatures averaging 9°C (49°F) and maximums peaking at 21°C (70°F). Precipitation is lower, at 64 mm (2.5 in) spread over just 7 days, and humidity decreases to 78%. For more details on the December weather in Kawasaki, visit Kawasaki weather in December.

Compare Kawasaki's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kawasaki

August in Kawasaki showcases a distinct warmth, characterized by higher temperatures and elevated humidity levels that set it apart from the more temperate months that precede and follow it. With an average temperature around 28°C, the days can feel especially sweltering, often reaching peaks of 34°C. The increased humidity at 90% contributes to a muggy atmosphere, which is further intensified by frequent rainfall on about 12 days of the month, totaling around 104 mm. This combination of heat and moisture creates a unique summer experience, perfect for those who revel in the vibrant energy of the season. To explore more about the overall climate in Kawasaki, visit Kawasaki Climate.