Last updated: August 21, 2025
June in Hamamatsu, Japan, offers a blend of warmth and moisture that characterizes the early summer season. With maximum temperatures reaching a balmy 32°C (90°F) and an average of 23°C (74°F), residents and visitors can enjoy outdoor activities despite the minimum temperatures dropping to 15°C (59°F) during cooler evenings. This month sees approximately 261 mm (10.3 in) of precipitation spread across 16 days, contributing to the lush greenery that defines the region. Coupled with high humidity levels of 88%, June in Hamamatsu is a vivid tapestry of warm, wet weather, perfect for immersing oneself in nature while staying prepared for the rain.
In June, Hamamatsu, Japan begins to feel the warmth of summer, marked by minimum temperatures rising to 15°C (59°F) and averaging a pleasant 23°C (74°F). The city's climate displays a notable shift as daytime highs peak at a summery 32°C (90°F), similar to the temperatures recorded in May. This gradual warming trend invites residents and visitors alike to enjoy outdoor activities and vibrant festivals that characterize the season. As the month progresses, the transition into the hotter months becomes evident, setting the stage for what’s to come in July and August, where temperatures can soar dramatically. Embrace the sunny days of June, where the lush surroundings come alive under the bright blue skies of Hamamatsu!
June in Hamamatsu, Japan, marks a significant uptick in precipitation, with 261 mm (10.3 in) of rain measured over 16 days. As the region transitions into the summer season, the wet weather is a stark contrast to the relatively drier months preceding it. Following May's generous rainfall of 198 mm, June’s showers set the stage for the hotter months ahead, often leading to lush greenery and vibrant landscapes. This pattern peaks in July, where precipitation skyrockets to 408 mm (16.1 in), indicating a trend of increasing rainfall as humidity escalates. The early summer deluge not only shapes the local ecosystem but also plays a crucial role in the region's agricultural practices, making June a pivotal month for both nature and local livelihoods.
In June, Hamamatsu, Japan, experiences a notable increase in humidity, peaking at 88%. This rise follows a spring characterized by moderate humidity levels that gradually climb from 70% in March to 81% in May. As the summer season approaches, July brings even higher humidity, reaching 93%, illustrating a consistent trend of increased moisture in the air during the warmer months. This seasonal shift not only impacts the climate but also enhances the lush greenery and vibrant landscapes that define Hamamatsu in the summer. The transition from pleasant spring conditions to the sultry heat of summer underscores the region's dynamic weather patterns.
In June, Hamamatsu, Japan experiences an extreme UV Index of 11, mirroring the high levels seen in May and surpassing the previous months. This trend reflects the region's warmer climate as summer approaches, resulting in a substantial decrease in burn time to just 10 minutes for unprotected skin. As the UV Index peaks in July at 12, it remains crucial for residents and visitors alike to take protective measures against harmful sun exposure. Interestingly, this pattern of elevated UV levels continues into August, before gradually declining with the arrival of fall. To stay informed about the UV Index throughout the year, visit Hamamatsu UV Index.
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June in Hamamatsu, Japan, shines with 275 hours of sunlight, making it a vibrant time as the days warm up and nature bursts into bloom. This month follows in the footsteps of May, which boasts the highest sunshine of the year at 299 hours, while outshining the preceding months of spring. Although June experiences a slight decline compared to May, it still offers enough radiant days to make outdoor adventures irresistible. As summer approaches, the sunlight continues to peak in August, reaching an impressive 317 hours, making it the sunniest month. Overall, June serves as a beautiful bridge between the lushness of spring and the peak brightness of summer, inviting both locals and visitors to embrace the warmth and joy that the season brings.
In June, the likelihood of sunny weather in Hamamatsu, Japan, drops to a modest 25%, reflecting a distinct trend as the year progresses. This month follows a gradual decline in sunshine probability, peaking earlier in the year with February's robust 60% chance. As spring transitions into summer, the sunniest months are typically behind, with the chance of clear skies further decreasing into July and August. Interestingly, the late spring and early summer months witness a notable shift, hinting at prevailing rainy patterns that contrast sharply with the sunnier days of late autumn and winter, where probabilities soar to as high as 73% in December. Thus, while June may not boast the most reliable sunny weather, it still plays a crucial role in the seasonal transition in Hamamatsu.
In Hamamatsu, Japan, June marks a delightful turning point in daylight duration, with the sun shining for a generous 14 hours each day. This increase follows a gradual ascent from 10 hours in January and February, escalating through the spring months of March and April as daylight stretches to 13 hours. As summer approaches, July maintains this 14-hour daylight, offering an ideal backdrop for outdoor activities and exploration. However, the trend subtly shifts as August brings a slight decline to 13 hours, foreshadowing the shorter days of fall. This oscillation in daylight creates a beautiful rhythm, inviting residents and visitors alike to bask in the longer, brighter days of mid-year before the gradual retreat into autumn's embrace.
In June, Hamamatsu, Japan, experiences a noticeable dip in wind speeds, averaging just 2.7 m/s (6 mph). This decline marks a significant shift from the stronger breezes felt in the earlier months, such as January and February, when wind speeds ranged from 4.6 m/s to 4.7 m/s. As spring gives way to summer, the gentle winds of June create a more tranquil atmosphere, setting the stage for the sultry days ahead. This pattern continues into July, with wind speeds dropping slightly further to 2.6 m/s before gradually picking up again in August. Overall, June serves as a pivotal transition month in Hamamatsu, where the cooling breezes of spring give way to the calmer, warmer embrace of summer.
Weather in Hamamatsu varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Hamamatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present contrasting weather patterns. In June, temperatures range from a chilly 15°C (59°F) at night to a warm 32°C (90°F) during the day, with an average of 23°C (74°F). This month is also marked by high humidity at 88% and significant rainfall, totaling 261 mm (10.3 in) over 16 days. In stark contrast, January experiences much colder temperatures, ranging from -2°C (29°F) at night to a more mild 18°C (64°F) in the daytime, with an average of just 7°C (44°F). Additionally, it sees considerably less precipitation, receiving only 51 mm (2.0 in) over about 4 days and lower humidity at 76%. For more details on January weather, you can visit Hamamatsu weather in January.
June and February present contrasting weather conditions, showcasing the dramatic seasonal shifts. In June, temperatures range from a mild 15°C (59°F) to a warm 32°C (90°F), with an average of 23°C (74°F). This month also sees considerable precipitation, totaling 261 mm (10.3 in) over 16 days and high humidity levels at 88%. In contrast, February is much cooler, with temperatures varying from a chilly -2°C (29°F) to a pleasant 21°C (71°F), averaging just 7°C (46°F). Precipitation is significantly lower, recorded at 76 mm (3.0 in) over only 6 days, along with a humidity level of 74%. For more detailed information, you can refer to Hamamatsu weather in February.
The weather in June differs significantly from that in March, reflecting the transition from spring to summer. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 23°C (74°F), creating a warm and humid environment with humidity levels peaking at 88%. This month also sees higher precipitation, with 261 mm (10.3 in) spread over 16 days.
In contrast, March usually experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (77°F), averaging 12°C (53°F). Precipitation is lower at 166 mm (6.5 in) over 10 days, accompanied by a milder humidity level of 70%. For a detailed look at the weather conditions in March, you can visit Hamamatsu weather in March. Overall, June is marked by warmth and higher humidity compared to the cooler, drier atmosphere of March.
In comparing the weather between June and April, we see a significant shift in temperature and humidity. June boasts a warmer climate, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), while April is much cooler, averaging between 3°C (37°F) and 28°C (83°F). Additionally, June experiences more precipitation, totaling 261 mm (10.3 in) over 16 days compared to April’s 172 mm (6.8 in) across 11 days, resulting in a higher humidity level of 88% in June versus 74% in April. For those interested in more details about April's conditions, you can visit Hamamatsu weather in April.
In comparing the weather of June and May, June tends to be warmer with an average temperature of 23°C (74°F) compared to May's 20°C (68°F). Both months reach a maximum of 32°C (90°F), but June experiences more precipitation at 261 mm (10.3 in) over 16 days, while May has 198 mm (7.8 in) over 12 days. Additionally, June's humidity is slightly higher at 88%, compared to May's 81%. For more detailed information on May weather, you can check Hamamatsu weather in May.
In comparing June and July weather, July typically presents hotter and more humid conditions. While June has an average temperature of 23°C (74°F), July's average rises to 27°C (81°F), with maximum temperatures soaring to 40°C (105°F). Precipitation also increases significantly from 261 mm (10.3 in) in June to 408 mm (16.1 in) in July, with rainfall occurring on more days—16 in June compared to 21 in July. Additionally, humidity levels are slightly higher in July at 93%, compared to 88% in June. For more detailed information, check out Hamamatsu weather in July.
June and August present contrasting weather patterns. In June, temperatures range from a mild 15°C (59°F) at night to a warm 32°C (90°F) during the day, with an average of 23°C (74°F). The month sees significant rainfall, totaling 261 mm (10.3 in) over 16 days, coupled with high humidity at 88%. In comparison, August experiences higher temperatures, with a minimum of 20°C (68°F) and a scorching maximum of 42°C (107°F), averaging 29°C (84°F). Although it is hotter, August receives less precipitation, about 197 mm (7.8 in) over 15 days, and the humidity slightly increases to 90%. For a detailed look at August weather patterns, check out Hamamatsu weather in August.
June and September display distinct weather patterns, characterized by different temperature ranges and precipitation levels. In June, the temperatures hover between a minimum of 15°C (59°F) and a maximum of 32°C (90°F), accompanied by relatively high humidity at 88%. This month also experiences significant rainfall, with a total precipitation of 261 mm (10.3 in) over 16 days. In contrast, September sees a slightly warmer average temperature, peaking at 36°C (96°F), while the minimum remains the same at 15°C (60°F). Although September has lower overall precipitation at 222 mm (8.7 in), it experiences rain on more days—20 in total—and maintains a humidity level of 86%. For more detailed information on the weather in September, you can visit Hamamatsu weather in September.
June and October present distinct variations in weather, showcasing a transition from early summer warmth to the cooler autumn months. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 23°C (74°F) and high humidity levels at 88%. The month experiences significant rainfall, totaling 261 mm (10.3 in) over about 16 days. In contrast, October sees cooler temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F), while still peaking at 32°C (89°F). Precipitation increases slightly to 293 mm (11.5 in), occurring over 15 days, but humidity drops to 83%. For more details on the weather conditions in October, you can check Hamamatsu weather in October.
June and November present contrasting weather patterns. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), averaging around 23°C (74°F). This month also sees significant rainfall, with 261 mm (10.3 in) of precipitation over 16 days, combined with high humidity at 88%. In contrast, November experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (75°F), yielding an average of 15°C (58°F). Precipitation is notably lower at 83 mm (3.3 in) over just 8 days, while humidity decreases slightly to 80%. For more details on November weather, you can visit Hamamatsu weather in November.
June and December present markedly different weather conditions. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average temperature of 23°C (74°F). The month is characterized by high humidity at 88% and significant precipitation, totaling 261 mm (10.3 inches) over 16 rainy days. Conversely, December experiences much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 23°C (74°F), resulting in an average of 9°C (49°F). This month sees considerably less rainfall, accumulating only 67 mm (2.6 inches) over just 6 days and a lower humidity level of 78%. For more details, visit Hamamatsu weather in December.
As June unfolds in Hamamatsu, the weather undergoes a noticeable transformation, marked by warmer temperatures and increased humidity compared to the preceding months. The city experiences a blend of sweltering days and steamy nights, with a compelling average that draws locals and visitors alike to seek refuge in shaded spots. However, this month also heralds the onset of the rainy season, contributing to a higher number of precipitation days and significant rainfall, resulting in a lush, vibrant landscape. If you're curious about how June's climate impacts your travel plans and outdoor activities, you can find more information at Hamamatsu Climate.