Last updated: August 21, 2025
In Yokohama, Japan, August brings a vibrant mix of warm temperatures and high humidity, creating a typical summer experience. The maximum temperature can soar to 34°C (93°F), while the average stands at 28°C (82°F), providing plenty of opportunities for outdoor activities. However, the minimum temperature dips to a comfortable 20°C (68°F) during the evenings. Rain is a frequent companion, with 104 mm (4.1 in) of precipitation spread over 12 days, contributing to the city's lush greenery. With humidity levels peaking at 90%, visitors should be prepared for a tropical atmosphere throughout the month.
In Yokohama, Japan, August brings warm temperatures that clearly mark the peak of summer. With a minimum of 20°C (68°F) and an average soaring to 28°C (82°F), the month encapsulates the season's sultry spirit. The highs can reach a toasty 34°C (93°F), contributing to the humid atmosphere typical of this time of year. This notable warmth stands in contrast to the cooler winter months, where temperatures hover around freezing in January and February. As the summer transitions to autumn, temperatures begin to decline, making August a vibrant and lively month in Yokohama, perfect for enjoying outdoor activities and soaking up the lively local culture.
In August, Yokohama experiences a significant shift in precipitation patterns, receiving 104 mm (4.1 in) of rainfall over 12 days. This amount is a notable decrease from the preceding month of July, which recorded a hefty 209 mm (8.2 in) across 16 days. The summer rains begin to taper off slightly, yet August still contributes substantially to the overall annual total. Following a rainy June, which brought 161 mm, August's precipitation serves as a transition towards the more abundant rains of October, ultimately shaping Yokohama's humid climate. As the summer heat lingers, these rainfall trends illustrate the city's dynamic weather, balancing between heavy showers and the drier days that follow.
In Yokohama, Japan, August brings a notable drop in humidity compared to the peak levels of the preceding months, settling at 90%. This slight decrease follows the July spike of 93%, highlighting a trend of increased humidity leading into the summer. As the year progresses, humidity levels in Yokohama generally rise from the more comfortable 70% in March, peaking in the summer months. After August, humidity begins to taper off, with September recording 86%. This reflective pattern not only underscores the intensifying warmth of midsummer but also signals a gradual return to the more temperate autumn climate.
In August, Yokohama experiences a high UV Index of 11, categorizing it as extreme. This trend follows a summer pattern established in the previous months of June and July, where the UV levels remained at the same intensity, necessitating a cautious 10-minute burn time. As the sizzling summer heat peaks, residents and visitors alike should take heed of sun safety measures. The stark rise from January's moderate levels (UV Index 3) to August's extremes highlights the importance of awareness during this time. To plan your activities wisely and stay protected, check out the comprehensive information available at Yokohama UV Index.
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August shines brightly in Yokohama, Japan, with an impressive 288 hours of sunshine that stands out among the months of the year. This peak occurs after a steady increase from 191 hours in January, showcasing a blossoming warmth that begins to take root in the spring. As the days stretch longer from February through July, sunshine hours steadily rise, culminating in August's vibrant glow. The trend slightly dips into early autumn, with September bringing 235 hours, yet the summer's radiance lingers in the air, reminding residents and visitors alike of the beauty and energy that the hottest month bestows upon this coastal city.
August in Yokohama, Japan, offers a modest likelihood of sunny weather, with a 37% chance of sunshine. This marks a slight dip from the preceding July’s 34%, indicating that while summer continues, the skies may not be as bright. Compared to the sunnier months at the beginning of the year, such as January and February with chances of 53% and 66% respectively, August demonstrates a trend of lower sunlight as the summer season transitions towards fall. As families enjoy outdoor activities and festivals, they should be prepared for a mix of sun and clouds, embracing the unpredictability of August weather while hoping for those beautiful sunny days.
In Yokohama, Japan, the daylight duration follows a striking seasonal rhythm, peaking in the late spring and summer months. Starting from January and February, when daylight lingers for about 10 hours, a gradual increase begins in March, reaching 11 hours. By May, this stretch extends to a vibrant 14 hours, maintaining that generous daylight through July. However, as August rolls around, there’s a gentle decline to 13 hours, heralding the slow transition into autumn. This trend continues into September with 12 hours, before tapering down through the fall months of October and November, ultimately arriving at just 9 hours of daylight by December. This ebb and flow of daylight captures the essence of Yokohama’s seasonal changes, inviting both locals and visitors to embrace the sunniest days of the year before bracing for the shorter winter days ahead.
In August, Yokohama experiences a pleasant average wind speed of 4.8 m/s (11 mph), providing a gentle breeze that complements the warm summer months. This aligns with a notable trend where the wind speeds in summer tend to hover around similar values; for instance, May's winds peak slightly higher at 5.3 m/s (12 mph), while the windy conditions gradually decline into June and July, where they dip to 3.7 m/s (8 mph) and 3.2 m/s (7 mph), respectively. As the summer wanes, September sees a slight recovery with winds at 4.4 m/s (10 mph), illustrating a resurgence towards more moderate conditions. Overall, August’s winds reflect a consistent summer characteristic, offering residents and visitors a refreshing respite amid the heat.
Weather in Yokohama varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Yokohama, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather patterns. In August, temperatures soar with a minimum of 20°C (68°F) and daytime highs averaging 28°C (82°F), peaking at 34°C (93°F). This summer month is characterized by high humidity at 90% and significant precipitation, with around 104 mm (4.1 in) falling over approximately 12 days. In contrast, January showcases a much cooler climate, featuring a minimum temperature of -3°C (27°F) and an average of 6°C (44°F), with maximums reaching only 18°C (65°F). Additionally, January brings lower precipitation levels, totaling 52 mm (2.1 in) over about 4 days, and a humidity level of 76%. For a more detailed look at January weather in Yokohama, you can check out Yokohama weather in January.
August and February present stark contrasts in weather patterns. In August, temperatures range from a minimum of 20°C (68°F) to a sweltering maximum of 34°C (93°F), with an average of 28°C (82°F). The month experiences frequent rainfall, totaling 104 mm (4.1 in) over 12 days, and high humidity at 90%. In contrast, February boasts much cooler temperatures, with a minimum of 0°C (31°F), an average of 7°C (45°F), and a maximum of 18°C (66°F). Precipitation is lighter in February, totaling 43 mm (1.7 in) across 7 days, and the humidity is lower at 74%. For more detailed information, check out Yokohama weather in February.
In August, the weather features warm temperatures, with a minimum of 20°C (68°F) and an average of 28°C (82°F), peaking at a sweltering 34°C (93°F). The month sees a high level of humidity at 90% and experiences rainfall on about 12 days, totaling 104 mm (4.1 in). In contrast, March offers a much cooler climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (69°F) and an average of 11°C (52°F). Although March has a slightly higher total precipitation of 138 mm (5.4 in), it also sees rain on the same number of days, which is 12. Overall, the atmosphere in August is hot and humid, while March feels crisp and much cooler, making it a significant shift in weather conditions. For a detailed look at March weather, you can visit Yokohama weather in March.
August and April present distinct weather contrasts. 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), creating a hot and humid environment with a high humidity level of 90%. Although it experiences significant rainfall with 104 mm (4.1 inches) over 12 days, the warmth dominates the month. In contrast, April is noticeably cooler, with temperatures varying from a minimum of 4°C (40°F) to a maximum of 23°C (74°F) and an average of 15°C (58°F). While April has slightly more precipitation at 116 mm (4.6 inches) over 10 days, the humidity level is more moderate at 74%. For a closer look at the weather in April, you can visit Yokohama weather in April.
When comparing the weather in August and May, August is notably warmer with average temperatures around 28°C (82°F) compared to May's milder 19°C (67°F). The minimum temperature in August is also higher at 20°C (68°F), while May starts off at a cooler 11°C (52°F). Both months experience precipitation, with August receiving about 104 mm (4.1 in) over 12 days, slightly less than May's 118 mm (4.6 in) across 11 days. Additionally, August tends to be more humid, with a humidity level of 90% compared to May's 81%. For a detailed insight into May's climate, you can check out Yokohama weather in May.
In comparing the weather between June and August, August typically sees higher temperatures with a minimum of 20°C and an average of 28°C, while June has a cooler minimum of 16°C and an average of 22°C. The maximum temperature in August can reach 34°C, making it significantly warmer than June's max of 29°C. However, June experiences higher precipitation, totaling 161 mm over 13 days compared to August's 104 mm over 12 days. Humidity levels are similarly high in both months, with August at 90% and June at 88%. For more details on June's weather, you can visit Yokohama weather in June.
In comparing the weather between July and August, August tends to be slightly warmer with an average temperature of 28°C (82°F) compared to July's average of 26°C (78°F). However, July experiences higher maximum temperatures, peaking at 35°C (95°F) compared to August's maximum of 34°C (93°F). Precipitation also sees a significant difference; July has a total of 209 mm (8.2 in) over 16 days, while August sees a reduction to 104 mm (4.1 in) over 12 days, indicating a somewhat drier month. Humidity levels are comparable, with July at 93% and August slightly lower at 90%. For more detailed insights, you can refer to Yokohama weather in July.
August and September display notable differences in weather patterns. August typically sees warmer temperatures, with averages around 28°C (82°F) and a peak of 34°C (93°F), while September cools down slightly, averaging 24°C (76°F) and reaching a maximum of 32°C (90°F). Precipitation is more frequent in September, totaling 187 mm (7.4 in) over 16 days, compared to 104 mm (4.1 in) across 12 days in August. Humidity also decreases modestly, with August boasting a higher level at 90% compared to September's 86%. For more detailed information, you can check Yokohama 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), reaching a maximum of 34°C (93°F). The month experiences significant rainfall, totaling 104 mm (4.1 in) over about 12 days, and high humidity levels at 90%. In contrast, October brings a notable shift, with cooler temperatures; the minimum drops to 11°C (52°F) and the average settles at 19°C (67°F), peaking at 28°C (83°F). This month sees an increase in precipitation, amounting to 266 mm (10.5 in) spread over 16 days, and a decrease in humidity to 83%. For more details on October's weather, you can check Yokohama weather in October.
August and November present distinct contrasts in weather. August is characterized by warm temperatures, with daily averages around 28°C (82°F) and maximums reaching up to 34°C (93°F), making it a hot and humid month with 90% humidity and significant rainfall of 104 mm (4.1 in) over 12 days. In contrast, November sees much cooler conditions, with average temperatures dropping to 14°C (58°F) and maximums of 23°C (73°F). Although November experiences a slightly lower total precipitation of 87 mm (3.4 in) across 11 days, the humidity is also reduced to 80%. For more detailed information on November weather in Yokohama, you can visit Yokohama weather in November.
August and December present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 20°C (68°F) and an average high of 34°C (93°F), creating a hot and humid atmosphere with an average humidity of 90%. The month also experiences significant rainfall, totaling 104 mm (4.1 in) across approximately 12 days. In contrast, December sees a significant drop in temperatures, where the minimum is just 0°C (33°F) and the average high reaches only 21°C (70°F). The precipitation is also lower at 64 mm (2.5 in) over about 7 days, and the humidity level decreases to 78%. For more detailed insights, you can check Yokohama weather in December.
August in Yokohama is characterized by its intense heat and humidity, setting it apart from the milder months of the year. With temperatures often soaring to a maximum of 34°C (93°F), the month feels particularly sweltering, compounded by a high humidity level of around 90%. This combination creates a tropical atmosphere, making outdoor activities feel more strenuous. Additionally, August sees considerable rainfall, with 12 days of precipitation accumulating to approximately 104 mm (4.1 in), which is notably higher than in the preceding months. For those looking to understand how Yokohama's weather shifts with the seasons, visit Yokohama Climate for more insights.