Last updated: August 21, 2025
Hakodate, Japan, experiences mild and humid weather in August, with average temperatures hovering around 21°C (71°F). Daily highs can reach a comfortable 28°C (83°F), while evenings cool down to a pleasant 16°C (61°F). However, visitors should be prepared for frequent rainfall, as the city sees about 254 mm (10.0 in) of precipitation over roughly 17 days during the month, creating a lush and vibrant atmosphere. With humidity levels soaring to 97%, the air feels quite humid, adding to the unique charm of this picturesque city.
In August, Hakodate experiences a warm embrace with temperatures that range from a minimum of 16°C (61°F) to a delightful maximum of 28°C (83°F). This month marks a peak in the summer warmth, with an average temperature settling at a comfortable 21°C (71°F). The transition from July's hotter days gradually gives way to cooler evenings, making it a fantastic time for outdoor exploration. Compared to the cooler months of January and February, when temperatures plummet below freezing, August offers a vibrant contrast, filled with lively festivals and stunning coastal views, inviting visitors to indulge in the beauty of this Japanese gem.
August stands out as the wettest month in Hakodate, Japan, with a remarkable 254 mm (10.0 in) of precipitation spread over 17 days. This surge in rainfall marks a significant increase from July's 152 mm (6.0 in), highlighting a trend of intensified summer rains. As the summer progresses, the moisture builds, leading to August's peak, before tapering off in September to 166 mm (6.5 in). This pattern not only underscores Hakodate's humid climate but also provides a rich backdrop for the lush landscapes and vibrant greenery typical of the region during this month. The higher precipitation combined with the relatively warm temperatures makes August a stark contrast to the drier and colder months that follow, painting a vivid picture of the seasonal shifts in Hakodate.
August in Hakodate, Japan, marks the pinnacle of humidity, reaching a staggering 97%. This high moisture level is part of a noticeable trend throughout the summer months, where humidity climbs steadily from 86% in May to 95% in July. The comfortable embrace of humid air envelops the city, creating a lush environment as the temperatures soar. However, as August gives way to September, a significant drop to 89% becomes apparent, signaling the transition into autumn. This cyclical pattern highlights the seasonal shifts in Hakodate, where the spicy summer heat and humidity prepare the way for a cooler, breezier fall.
In August, Hakodate, Japan, experiences a notable spike in the UV Index, reaching an extreme level of 11, with a burn time of just 10 minutes. This trend marks the peak of the UV season, following a gradual increase from the winter months when the index starts at a low 2 in January. As spring transitions into summer, the index escalates rapidly, especially in June and July, which maintain high values of 10. The shift to extreme levels in August serves as a reminder for residents and visitors alike to take precautions against UV exposure. Just as the summer heat intensifies, so does the need for sun protection, making careful planning essential during this time. For more detailed information, you can check the Hakodate UV Index.
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August in Hakodate, Japan, brings a delightful respite with 270 hours of sunshine, contributing to a vibrant summer atmosphere. This month showcases a slight dip from the sunnier July, which boasts 284 hours, yet still remains significantly higher than the early winter months. As we progress from the bright days of May and June, where hours peaked around 299 and 288, this trend indicates a gradual decrease towards the fall. However, compared to the gloomy gloom of the long winter, August shines as a golden period, making it ideal for enjoying Hakodate's stunning landscapes and outdoor adventures before the days shorten dramatically in September and beyond.
In Hakodate, Japan, August brings a notable dip in sunny weather, registering only a 25% chance of sun, making it one of the least sunny months of the year. This decline follows the slight improvements seen in late spring and early summer, where May and June boasted 32% and 39% chances of sunshine, respectively. As the summer progresses, the likelihood of bright days diminishes, suggesting that visitors may want to prepare for more overcast weather during this time. However, as August gives way to September, the sunshine probability climbs back up to 43%, indicating a trend of improved weather as autumn approaches.
In August, Hakodate basks in 13 hours of daylight, a slight dip from the summer peak of 15 hours in June. This gradual reduction marks the transition from the long, sunlit days of summer to the more subdued light of autumn. While August still offers ample time for outdoor adventures and late-night strolls under the fading sun, it hints at the coming changes as daylight continues to wane into September, where it diminishes to 12 hours. This pattern reflects the natural rhythm of the seasons, inviting both residents and visitors to savor the lingering warmth and extended daylight before the crispness of fall begins to set in.
In August, Hakodate experiences a notable uptick in wind activity, with an average wind speed of 5.0 m/s (11 mph). This slight increase from the calmer summer months of June and July, where winds hovered around 3.9 m/s (9 mph), marks a refreshing shift as the peak of summer gives way to early autumn. The wind speeds seen in August are comparable to the spring, suggesting that while the summer heat persists, the breezes begin to invigorate the coastal city with hints of the changing seasons. As the year progresses towards autumn, one can anticipate a gradual return to stronger winds, particularly with November and December averaging around 6.1 to 6.2 m/s (14 mph), indicating a dynamic climate that continuously evolves.
Weather in Hakodate varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Hakodate, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present two starkly contrasting weather patterns. In August, temperatures range significantly, reaching a minimum of 16°C (61°F) and soaring to a maximum of 28°C (83°F), with an average of 21°C (71°F). The month is marked by high humidity at 97% and considerable rainfall, totaling 254 mm (10.0 in) over about 17 days. In contrast, January brings a much colder climate, with temperatures plummeting to a minimum of -9°C (16°F) and capping off at a maximum of 8°C (47°F), averaging just -1°C (31°F). Precipitation drops to 61 mm (2.4 in) across about 13 days, and humidity levels reduce to 79%. For more details about the winter weather in Hakodate, you can visit Hakodate weather in January.
August and February present strikingly contrasting weather patterns. August boasts mild temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with high humidity levels at 97%. In this month, Hakodate experiences significant rainfall, totaling 254 mm (10.0 in) over approximately 17 days. Conversely, February feels much colder, with temperatures dropping as low as -10°C (15°F) and averaging around -1°C (30°F). Precipitation is less frequent, totaling 79 mm (3.1 in) across 14 days, and the humidity sits at 78%. For a detailed overview of February's climate, check out Hakodate weather in February.
August and March showcase distinctly contrasting weather patterns. In August, temperatures range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average of 21°C (71°F). This month experiences high humidity at 97% and significant rainfall, averaging 254 mm (10.0 in) over 17 days. In contrast, March features much colder conditions, with temperatures ranging from a low of -5°C (23°F) to a high of 12°C (53°F), and an average temperature of just 3°C (38°F). Precipitation is lower at 86 mm (3.4 in) over 11 days, accompanied by a humidity level of 77%. The stark difference in weather makes August feel warm and humid, while March is characterized by chill and emerging spring freshness. For more detailed insights, you can check Hakodate weather in March.
In comparing the weather between April and August, one can see notable contrasts. August features warmer temperatures, with averages around 21°C (71°F) and highs reaching 28°C (83°F), while April is considerably cooler, with average temperatures of only 7°C (45°F) and maximums peaking at 14°C (58°F). Additionally, April experiences less precipitation, totaling 101 mm (4.0 in) over 13 days, compared to August's heavier rainfall of 254 mm (10.0 in) over 17 days. The humidity in August reaches a high of 97%, making it feel quite muggy, whereas April has a more moderate humidity level at 78%. For further details, check Hakodate weather in April.
In comparing the weather between May and August, significant differences emerge. August offers warmer temperatures, with a range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), while May's temperatures are much cooler, hovering between 6°C (42°F) and 20°C (68°F). Additionally, August experiences considerably higher precipitation at 254 mm (10.0 in) over 17 days, compared to May's 116 mm (4.6 in) over 11 days. The humidity is also notably higher in August at 97%, compared to 86% in May, making the summer month feel much more humid and oppressive. For a more detailed look at May conditions, visit Hakodate weather in May.
August weather in Hakodate is notably warmer and more humid compared to June. With temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), August averages a comfortable 21°C (71°F). In contrast, June sees cooler temperatures, with a minimum of 9°C (49°F) and a maximum of only 21°C (69°F), resulting in an average of 15°C (59°F). Precipitation levels are significantly higher in August, totaling 254 mm (10.0 in) over 17 days, compared to June's 128 mm (5.0 in) across 12 days. The humidity also peaks in August at a high 97%, while June maintains a more moderate humidity level of 91%. For more detailed climate insights, check out Hakodate weather in June.
In comparing the weather patterns of August and July, August tends to be slightly warmer with an average temperature of 21°C (71°F) compared to July's 19°C (67°F). The maximum temperature also sees a mild increase, reaching up to 28°C (83°F) in August, while July peaks at 27°C (80°F). However, August experiences significantly higher precipitation, with 254 mm (10.0 in) over 17 days, contrasting with July’s 152 mm (6.0 in) over 16 days. Humidity levels are also a bit higher in August at 97%, compared to 95% in July. For a closer look at July's weather in Hakodate, you can check Hakodate weather in July.
August typically experiences warmer temperatures compared to September, with average highs reaching up to 28°C (83°F) on both months, though August boasts a slightly higher average temperature of 21°C (71°F) versus September's 20°C (68°F). August is also characterized by substantial rainfall, totaling 254 mm (10.0 in) across 17 days, which is significantly higher than September's 166 mm (6.5 in) over just 12 days. Additionally, humidity levels in August are quite high at 97%, while September sees a decrease to 89%, creating a more comfortable atmosphere. For more insights into the specific weather patterns of September, you can check out Hakodate weather in September.
August and October present striking contrasts in weather patterns. In August, temperatures are warmer, with a minimum of 16°C (61°F) and an average of 21°C (71°F), peaking at 28°C (83°F). The month experiences substantial precipitation, totaling 254 mm (10.0 in) over 17 rainy days, accompanied by high humidity levels at 97%. In contrast, October sees cooler temperatures, with a minimum of 6°C (42°F) and an average of 15°C (58°F), reaching up to 23°C (74°F) at its warmest. The precipitation in October is also lighter, at 149 mm (5.9 in) spread over 13 days, and humidity drops to 81%. For a detailed overview of October weather, you can visit Hakodate weather in October.
In August, the weather is warm and humid, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F) and an average of 21°C (71°F). During this month, the region experiences significant rainfall, with 254 mm (10.0 in) over 17 days, contributing to a high humidity level of 97%. In contrast, November brings a dramatic shift as temperatures drop considerably, with a minimum of -3°C (28°F) and an average of 8°C (47°F), reaching a maximum of just 17°C (62°F). Precipitation decreases to 103 mm (4.1 in) over 13 days, and the humidity also lowers to 78%. For a detailed overview of what to expect, you can check Hakodate weather in November.
August and December present stark contrasts in weather. In August, temperatures range from a mild 16°C (61°F) to a warm 28°C (83°F), accompanied by high humidity levels of 97% and substantial precipitation of 254 mm (10.0 in) over 17 days. This creates a muggy atmosphere typical of summer. In contrast, December experiences much colder conditions, with temperatures dropping dramatically to a minimum of -7°C (20°F) and only reaching a maximum of 14°C (57°F). Precipitation is significantly lower at 89 mm (3.5 in), though it occurs over 18 days, and humidity is also reduced to 77%. For more detailed insights on December weather, you can check Hakodate weather in December.
August in Hakodate brings a unique blend of warmth and humidity that sets it apart from other months. With temperatures reaching a pleasant peak of around 28°C (83°F), the summer heat contrasts sharply with the cooler spring and fall, offering a perfect opportunity for outdoor exploration. However, this month is also marked by frequent rainfall, averaging 254 mm over 17 days, which adds a lush vibrancy to the surroundings. The high humidity levels, nearing 97%, can make the air feel heavy, yet they contribute to the region’s rich greenery. For an in-depth look at the climatic variations throughout the year, check out Hakodate Climate.