Last updated: August 21, 2025
Experience the sweltering July weather of Hamamatsu, Japan, characterized by a striking temperature range that peaks at a maximum of 40°C (105°F), with an average of 27°C (81°F) and a minimum of 19°C (67°F). This month witnesses substantial precipitation, totaling 408 mm (16.1 in) over 21 days, contributing to a high humidity level of 93% that envelops the region. Whether you're exploring outdoor adventures or savoring the vibrant local culture, be prepared for a sticky yet vibrant summer atmosphere in this captivating city.
In Hamamatsu, Japan, July marks the peak of summer, bringing with it notable warmth compared to the previous months. The minimum temperatures hover around a comfortable 19°C (67°F), but the thermometers can soar, reaching a maximum of 40°C (105°F) on the hottest days. The average temperature sits at a balmy 27°C (81°F), signaling a significant leap from the more temperate June. As the month progresses, residents and visitors alike embrace the sizzling heat, often seeking refuge at parks, beaches, and air-conditioned spaces to escape the sweltering summer sun. As July transitions into August, the heat remains relentless, making this period a quintessential experience of Japanese summer.
In July, Hamamatsu experiences a significant surge in precipitation, with 408 mm (16.1 inches) of rain falling over 21 days. This marks the peak of the rainy season, contributing to the city’s lush greenery and vibrant landscapes. The increase in both rainfall and rainy days throughout the months leading to July—from 51 mm in January to 261 mm in June—underscores the transition into a particularly wet summer. Following July, precipitation levels drop considerably, with August seeing just 197 mm. This pattern highlights the climactic nature of July's rainfall, setting the stage for the subsequent drier days ahead as the season begins to shift.
In July, Hamamatsu, Japan, experiences its peak humidity, soaring to an impressive 93%. This notable rise from 88% in June marks the start of summer's sweaty embrace, reflecting a trend where the warmth of July consistently brings higher humidity levels. Following May's significant 81%, the gradual increase continues into August at 90%, creating a muggier atmosphere that characterizes these summer months. As the season progresses into the fall, humidity starts to decline, showcasing the region's dynamic seasonal shifts where humid air gives way to the refreshing autumn breezes by October, with levels dropping to 83%.
In Hamamatsu, Japan, the July UV Index reaches a striking 12, marking it as an extreme exposure month with a burn time of just 10 minutes. Following a steady rise from January's moderate index of 4, the trend sharply escalates, especially noticeable from March when it spikes to 8. By May, the intensity graduates to 11, remaining at that level through June, before hitting the peak in July. This consistent elevation underscores the importance of sun safety during the summer months. After July, the index slightly dips to 11 in August before gradually declining in subsequent months. For detailed UV index forecasts, visit Hamamatsu UV Index.
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July in Hamamatsu, Japan, showcases a delightful balance of sunshine, featuring 267 hours of bright skies. This month typically serves as a transitional point; while slightly less sunny than June, it still outshines January through June, marking the peak vitality of summer. As the city basks under the warm rays, August emerges as the standout month with 317 hours of sunlight, further enriching the summer experience. This pattern reflects a vibrant progression from the chill of winter toward the lively warmth of summer, emphasizing how July plays a key role in this seasonal journey, bridging the sun-drenched months of June and August seamlessly.
In Hamamatsu, Japan, the likelihood of sunny weather in July stands at 34%, marking a noticeable drop from the previous months, particularly May and June, where the chances were 28% and 25% respectively. This trend showcases that as summer peaks, the sunshine can become more elusive, likely due to the humidity and rainfall common during this time. Interestingly, the month of August follows closely with a 30% chance of sun, suggesting that while July might not be the sunniest month, the warm temperatures typically draw residents and visitors outdoors regardless of the clouds. Overall, July represents a transitional period in Hamamatsu's weather, where fun and exploration continue, even amidst the more frequent chances of overcast skies.
In Hamamatsu, Japan, July is characterized by 14 hours of daylight, marking a peak in the annual light cycle. This month follows a gradual increase that begins in March, where daylight duration begins to extend from 11 hours, reaching 14 hours by June and July. The trend then gently declines as summer transitions into autumn, with August seeing a slight drop to 13 hours. This progressive change highlights the region's distinct seasonal variation, with daylight hours growing longer in the spring and summer before tapering off into shorter days in the fall and winter. The extended hours of sunlight in July not only enhance outdoor activities but also evoke the vibrant essence of summer in Hamamatsu.
In Hamamatsu, Japan, July ushers in a gentle breeze, with average wind speeds hovering at 2.6 m/s (or 6 mph), marking it as one of the calmest months of the year. This decline in windiness follows the trend seen in June, where the serene atmosphere may be attributed to the sultry summer heat that envelops the region. As we look back over the year, it's intriguing to note that wind speeds begin to dip from their peaks in the winter months, settling into milder conditions by mid-summer. This creates a tranquil environment ideal for outdoor activities, allowing residents and visitors alike to enjoy the beautiful warm days amidst a softly blowing wind. With August witnessing a slight uptick to 3.5 m/s, it seems that the winds begin to stir once more, hinting at the gradual transition back to a breezier autumn season ahead.
Weather in Hamamatsu varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Hamamatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In Hamamatsu, July and January present stark contrasts in weather. July typically boasts warm temperatures, with an average of 27°C (81°F) and highs reaching up to 40°C (105°F), alongside high humidity at 93%. However, this month is also characterized by significant rainfall, with 408 mm (16.1 in) over approximately 21 days. Conversely, January experiences a much cooler climate, featuring an average temperature of 7°C (44°F) and maximums around 18°C (64°F). Precipitation during this month is considerably less, totaling only 51 mm (2.0 in) over about 4 days, and the humidity is lower at 76%. For a more detailed look at January's weather, you can visit Hamamatsu weather in January.
The weather in July is characterized by high temperatures and significant humidity, with average temperatures around 27°C (81°F) and maximums reaching up to 40°C (105°F). This month also sees considerable rainfall, with 408 mm (16.1 in) accumulating over 21 days, resulting in a humid atmosphere at 93%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), and an average of 7°C (46°F). Precipitation is much lighter in February, totaling 76 mm (3.0 in) across just 6 days, and the humidity is relatively lower at 74%. For more details on February weather, visit Hamamatsu weather in February.
In comparing the weather between July and March, notable differences emerge in terms of temperature and precipitation. July experiences a much warmer climate, with average temperatures reaching 27°C (81°F) and peaks soaring up to 40°C (105°F). In contrast, March offers a cooler atmosphere, averaging 12°C (53°F) with maximum temperatures of 25°C (77°F). Additionally, July is significantly wetter, receiving 408 mm (16.1 in) of precipitation over 21 days, while March sees 166 mm (6.5 in) of rainfall spread across just 10 days. Humidity levels are also higher in July at 93%, compared to March's 70%. For a closer look at the conditions in March, you can refer to Hamamatsu weather in March.
When comparing the weather in July and April, it's evident that July is significantly warmer and wetter. In July, temperatures range from a minimum of 19°C (67°F) to a scorching maximum of 40°C (105°F), with an average temperature of 27°C (81°F). In contrast, April's temperatures are much cooler, ranging from a minimum of 3°C (37°F) to a maximum of 28°C (83°F), and an average of 15°C (60°F). Precipitation levels also differ notably, with July receiving 408 mm (16.1 in) of rain over 21 days, while April sees 172 mm (6.8 in) over 11 days. Additionally, July boasts a high humidity level of 93%, compared to April's 74%. For more detailed insights, you can refer to Hamamatsu weather in April.
When comparing the weather in July to that of May, notable differences emerge. July is characterized by higher temperatures, with average highs around 27°C (81°F) and peaks reaching up to 40°C (105°F), while May sees milder averages with highs of 20°C (68°F) and a maximum of 32°C (90°F). Additionally, July experiences significantly more precipitation, totaling 408 mm (16.1 in) over 21 days, in contrast to May's 198 mm (7.8 in) across 12 days. Humidity levels also rise in July, reaching 93%, compared to May's 81%. For more detailed weather information, visit Hamamatsu weather in May.
In comparing the weather between June and July, July is notably hotter and more humid. The minimum temperature in July is 19°C, while June starts at 15°C, leading to an average of 27°C in July compared to June’s 23°C. The maximum temperature in July can soar to 40°C, significantly higher than June’s peak of 32°C. Additionally, July experiences more rainfall, with 408 mm over 21 days, whereas June has 261 mm over just 16 days. Despite the increase in precipitation, July's humidity is higher at 93%, compared to June’s 88%. For more details on June weather, check out Hamamatsu weather in June.
In July, the weather is marked by a wide temperature range with a minimum of 19°C (67°F), averaging 27°C (81°F), and peaking at a scorching 40°C (105°F). This month also experiences high precipitation levels, totaling 408 mm (16.1 in) over 21 days, coupled with high humidity at 93%. In contrast, August offers slightly warmer temperatures, with a minimum of 20°C (68°F) and an average of 29°C (84°F), but it can reach up to 42°C (107°F). Notably, the precipitation decreases to 197 mm (7.8 in) over 15 days, and humidity remains high at 90%. For more details about the weather in August, check out Hamamatsu weather in August.
In July, weather conditions are typically characterized by warmer temperatures, with a minimum of 19°C (67°F) and an average high of 27°C (81°F), which can peak at a sweltering 40°C (105°F). The month is also marked by high humidity levels at 93% and significant precipitation, averaging 408 mm (16.1 in) over 21 days. In contrast, September features milder temperatures, with a minimum of 15°C (60°F) and an average high of 25°C (77°F), reaching a maximum of 36°C (96°F). Precipitation is notably lower, averaging 222 mm (8.7 in) over 20 days, and humidity levels decrease slightly to 86%. For a more detailed look at weather patterns, you can visit Hamamatsu weather in September.
In July, the weather is characterized by high temperatures, with a minimum of 19°C (67°F) and an average of 27°C (81°F), reaching up to a scorching maximum of 40°C (105°F). The month experiences significant rainfall, totaling 408 mm (16.1 in) over 21 days, along with high humidity levels at 93%. In contrast, October offers a milder climate, featuring a minimum temperature of 10°C (50°F) and an average of 20°C (68°F), with a maximum reaching 32°C (89°F). Precipitation decreases to 293 mm (11.5 in), occurring over 15 days, and humidity relaxes to 83%. For more details, you can refer to Hamamatsu weather in October.
July and November present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 19°C (67°F) and an average of 27°C (81°F), peaking at a scorching 40°C (105°F). This month experiences significant rainfall, with 408 mm (16.1 in) of precipitation over 21 days, coupled with high humidity at 93%. In contrast, November offers much milder temperatures, ranging from a minimum of 3°C (38°F) to an average of 15°C (58°F), and a maximum of 24°C (75°F). Rainfall is considerably less, totaling just 83 mm (3.3 in) across 8 days, and humidity levels drop to 80%. For a closer look at what November has to offer, check out Hamamatsu weather in November.
The weather in July is marked by high temperatures, with a minimum of 19°C (67°F) and soaring averages around 27°C (81°F), reaching up to a scorching 40°C (105°F) on the hottest days. This month experiences significant rainfall, totaling 408 mm (16.1 in) over 21 days, coupled with high humidity levels of 93%. In contrast, December brings a much cooler climate, with temperatures ranging from a chilly 0°C (32°F) to a mild maximum of 23°C (74°F) and an average of 9°C (49°F). Precipitation drops dramatically to 67 mm (2.6 in), spread over just 6 days, and the humidity levels decrease to 78%. For more specific details about the December weather, you can view Hamamatsu weather in December.
July in Hamamatsu is characterized by sweltering heat, with temperatures soaring and average humidity hitting a high of 93%, creating a notably tropical feel. This month distinguishes itself from others not just by its intense warmth but also by the frequent rainfall, manifesting in about three weeks of precipitation that highlights July's monsoonal pattern. Such conditions compel both locals and visitors to seek respite from the heat, making it a month of vibrant summer activity amidst the challenges of humidity and rain. For a more comprehensive understanding of the weather trends throughout the year, check out Hamamatsu Climate.