Last updated: August 21, 2025
In August, Matsumoto, Japan, experiences a dynamic climate marked by a maximum temperature soaring to 34°C (93°F) and an average of 23°C (75°F). The month is characterized by significant rainfall, with a total precipitation of 197 mm (7.8 in) occurring over 17 days, contributing to its notably high humidity levels of 92%. Visitors and residents alike should be prepared for a warm yet humid atmosphere, where occasional showers play a pivotal role in shaping the vibrant scenery of this beautiful city.
In August, Matsumoto, Japan, experiences its warmest temperatures of the year, with average highs reaching a sweltering 34°C (93°F). The month starts with mild evenings as temperatures drop to a comfortable 11°C (52°F), making it ideal for outdoor activities. With an average temperature of 23°C (75°F), both locals and visitors can relish in the summer warmth before the cooler seasons converge. This trend of rising temperatures marks a definitive shift from the deep winter chills felt just a few months prior, where January's temperatures plummeted to a frigid -16°C (4°F). August serves as a vibrant reminder of Matsumoto's seasonal diversity, offering a lively, sun-soaked atmosphere perfect for exploring the natural beauty and cultural richness of the region.
August in Matsumoto, Japan, sees a significant amount of rainfall, with 197 mm (7.8 in) recorded over 17 days. This figure, while notably high, reflects a dip from the previous month's dramatic 333 mm (13.1 in) and indicates a gradual transition as summer gives way to autumn. The precipitation pattern reveals a summer peak in July, after which rainfall begins to stabilize, yet remains substantial, paving the way for the fall season ahead. As September approaches, the precipitation continues to trend upward slightly again to 222 mm (8.7 in), suggesting that summer showers linger into early autumn, keeping the landscape lush and vibrant.
Matsumoto, Japan, experiences a distinctive humidity pattern throughout the year. Notably, August stands out as one of the hottest and most humid months, matching July's peak with a significant 92% humidity. This elevated level is part of a summer trend characterized by a steep rise from the spring months. From April's 78%, humidity climbs sharply in June and July, reaching a high plateau in August before gradually declining in September. Interestingly, while winter months like January and February feature high humidity levels of 88% and 86%, the summer months bring an uncomfortable stickiness that can be felt even in the bustling activities of Matsumoto. As the year progresses, the subtle ebb and flow of humidity reflect the region's transition from cool to warmth, enhancing the vibrant atmosphere of this charming city.
In Matsumoto, Japan, the UV Index experiences a notable peak in August, reaching an extreme level of 12 with a burn time of only 10 minutes. This is part of a broader trend where the summer months show consistently high to extreme UV readings, starting from May and maintaining an index of 11 through July. As the seasons shift toward fall, the index drops to 10 in September, marking a return to very high levels, before gradually decreasing to moderate readings by December. With fluctuating UV exposure and a peak in August, it’s crucial for residents and visitors to stay vigilant against sun damage. For more detailed information, you can visit Matsumoto UV Index.
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In August, Matsumoto basks in a generous 282 hours of sunshine, making it one of the sunniest months of the year. This peak is part of a warm trend that begins in the spring, with sunlight steadily increasing from 260 hours in March to a bright 291 hours in May, before slightly tapering off in the following months. Despite the mild decrease in July, August's sunshine still shines brightly compared to the early winter months, which reveal a significant dip in sunlight hours. As the year progresses, the trends illustrate a delightful return to sun-drenched days, inviting locals and visitors alike to enjoy the beautiful, warm summer.
In August, the likelihood of sunny weather in Matsumoto, Japan, dips to 24%, marking one of the year’s lower probabilities for sunshine. This decline comes after a slightly brighter July, where the chance of sun reaches 34%. The summer months are typically expected to deliver more sunny days, yet August’s statistics reveal a trend towards cloudier conditions, similar to the earlier dampness seen in June at 22%. As the season transitions into autumn, the chance of sun begins to climb again, with October and November both boasting more favorable chances of 44% and 45%, respectively. Thus, while August may be a bit disappointing for sun-seekers, hope is on the horizon as the weather begins to clear in the months that follow.
In Matsumoto, Japan, August sees a delightful 13 hours of daylight, signaling the tail end of summer. This month marks a gradual decline from the peak daylight hours of 14 in June and July, as the days begin to shorten in anticipation of autumn. The transition from the longest days of summer to the shorter days of fall is evident as daylight diminishes more significantly in the coming months, tapering to 12 hours in September. This rhythmic change in daylight not only shapes the natural beauty of Matsumoto but also guides the activities and lifestyle of its residents, ushering in a new season marked by vivid colors and cooler temperatures.
In August, the wind in Matsumoto, Japan picks up slightly, reaching an average speed of 1.6 m/s (4 mph). While this is a modest increase compared to the calmer summer months of June and July, it signals a gentle shift in the atmosphere as autumn approaches. This month stands out in the overall trend, where typical winter winds range around 2.0 to 2.3 m/s, showcasing a natural ebb and flow. Overall, the wind pattern demonstrates a gradual escalation throughout the year, peaking in the colder months and tapering off during the warmest summer months, crafting a serene backdrop to the vibrant landscapes of Matsumoto.
Weather in Matsumoto varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Matsumoto, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present contrasting weather conditions. In August, temperatures range from a cool 11°C (52°F) to a warm 34°C (93°F), with an average of 23°C (75°F). The month sees significant precipitation, accumulating 197 mm (7.8 in) over 17 days, coupled with high humidity at 92%. In stark contrast, January experiences much cooler temperatures, with a minimum of -16°C (4°F) and a maximum of 11°C (52°F), averaging -2°C (28°F). Precipitation is lower in January at 99 mm (3.9 in) over 16 days, with slightly lower humidity at 88%. For a more detailed look at winter conditions, visit Matsumoto weather in January.
August and February present strikingly different weather patterns. In August, temperatures soar with a minimum of 11°C (52°F) and an average high of 34°C (93°F), creating a warm and humid environment with a staggering humidity level of 92% and nearly 200 mm of rainfall over 17 days. In contrast, February brings frigid temperatures, ranging from a biting minimum of -18°C (1°F) to a milder maximum of 16°C (61°F). This month sees lower precipitation at 97 mm (3.8 in) over 13 days and slightly less humidity at 86%. For more details on February weather, check out Matsumoto weather in February.
August and March present stark contrasts in weather patterns. August experiences much warmer temperatures, with an average of 23°C (75°F) and highs reaching up to 34°C (93°F), while March is considerably cooler, averaging just 4°C (40°F) and peaking at 21°C (69°F). Precipitation is more frequent in August, with 197 mm (7.8 in) falling over 17 days compared to March's 152 mm (6.0 in) over 14 days. Humidity levels are also notably higher in August at 92%, while March maintains a more moderate 81%. For a detailed look at March weather in Matsumoto, check out Matsumoto weather in March.
When comparing the weather in August and April, significant differences emerge. August experiences warmer temperatures with a minimum of 11°C (52°F) and an average of 23°C (75°F), peaking at a hot 34°C (93°F). In contrast, April starts much cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 26°C (79°F) and an average of only 9°C (48°F). While August boasts higher precipitation at 197 mm (7.8 in) over 17 days, April is slightly less rainy, with 156 mm (6.1 in) spread over 13 days. Additionally, the humidity is notably higher in August at 92%, compared to April's 78%. For more details about April weather, you can check out Matsumoto weather in April.
In comparing the weather between August and May, it is evident that August is considerably warmer and more humid. The average temperature in August is 23°C (75°F), peaking at 34°C (93°F), while May shows a more moderate average of 15°C (59°F), with a maximum of 30°C (86°F). Precipitation levels are relatively close, with August experiencing 197 mm (7.8 in) over 17 days and May seeing 179 mm (7.0 in) across 14 days. Additionally, the humidity in August is notably higher at 92%, compared to 81% in May, contributing to a distinctly steamy summer atmosphere. For more detailed information on May weather, you can visit Matsumoto weather in May.
When comparing the weather in August and June, August tends to be noticeably warmer, with average temperatures reaching 23°C (75°F) compared to June's cooler average of 18°C (65°F). The maximum temperature in August can soar to 34°C (93°F), while June peaks at a milder 29°C (84°F). However, both months experience similar precipitation levels, with August receiving 197 mm (7.8 in) over 17 days and June slightly less at 194 mm (7.7 in) across 16 days. August also has higher humidity at 92%, compared to June's 88%. For more specific insights, you can check out Matsumoto weather in June.
In comparing the weather patterns of July and August, July tends to be slightly cooler, with average temperatures around 22°C (72°F) compared to August's warmer 23°C (75°F). However, July experiences more precipitation, totaling 333 mm (13.1 in) over 21 days, compared to August's 197 mm (7.8 in) across 17 days. Both months share a high humidity level of 92%, contributing to a muggy atmosphere. For more detailed information on July weather in Matsumoto, you can visit Matsumoto weather in July.
In August, the weather is characterized by warmer temperatures, with a minimum of 11°C (52°F) and average highs reaching up to 34°C (93°F). However, it also brings significant rainfall, with 197 mm (7.8 in) over 17 days and high humidity at 92%. In contrast, September experiences cooler temperatures, with a minimum of 6°C (43°F) and an average high of 30°C (86°F). Although it is slightly wetter with 222 mm (8.7 in) of precipitation over 19 days, humidity remains high at 89%. For more detailed information on the weather conditions in September, check out Matsumoto weather in September.
August and October present two distinctly different weather profiles. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), with an average of 23°C (75°F). The month is characterized by high humidity at 92% and significant precipitation, totaling 197 mm (7.8 in) over 17 days. In contrast, October experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 26°C (79°F), averaging 13°C (56°F). While it also sees considerable rainfall, October has slightly higher total precipitation at 255 mm (10.1 in) over 19 days, alongside a somewhat lower humidity of 87%. For more on October weather specifics, check out Matsumoto weather in October.
August and November present starkly contrasting weather conditions. In August, temperatures range from a mild 11°C (52°F) at night to a sweltering maximum of 34°C (93°F) during the day, averaging 23°C (75°F). The month is characterized by high humidity at 92% and substantial rainfall, with 197 mm (7.8 in) over 17 days. In contrast, November sees a significant drop in temperature, with lows plunging to -4°C (25°F) and a much cooler average of 7°C (44°F), peaking at 19°C (67°F). Precipitation also decreases to 83 mm (3.3 in) over 13 days, and humidity drops slightly to 85%. For more details on November weather, you can check Matsumoto weather in November.
August and December present starkly contrasting weather patterns. In August, temperatures range from a mild 11°C (52°F) to a scorching 34°C (93°F), with an average of 23°C (75°F) and high humidity at 92%. The month experiences substantial precipitation, totaling 197 mm (7.8 in) over 17 days, creating a humid and tropical atmosphere. In contrast, December sees much colder temperatures, with a minimum of -9°C (17°F), a maximum of 17°C (62°F), and an average temperature of only 1°C (34°F). While December has less precipitation at 109 mm (4.3 in) over 16 days, the humidity remains relatively high at 86%. For a more detailed look at the December weather, you can check Matsumoto weather in December.
August in Matsumoto is characterized by hot temperatures and high humidity, making it one of the warmest months of the year. With maximum readings often reaching 34°C (93°F), the summer heat contrasts sharply with the cooler temperatures of the preceding months. While the average temperature sits at a comfortable 23°C (75°F), the high humidity—often peaking at 92%—adds a muggy texture to the air. Frequent rainfall, with 17 rainy days contributing to a total of 197 mm (7.8 in) of precipitation, marks August as a distinctive month compared to the drier periods. For better understanding of the year-round climate variations, check out Matsumoto Climate.