Last updated: August 21, 2025
In Numazu, Japan, the weather in June is characterized by a warm and humid climate, with temperatures ranging from a pleasant 16°C (62°F) at night to a maximum of 26°C (80°F) during the day. The average temperature hovers around 21°C (70°F), making it a comfortable month for outdoor activities. However, potential visitors should be prepared for significant rainfall, as 286 mm (11.3 in) of precipitation falls over the course of approximately 16 days, resulting in an average humidity level of 88%. This blend of warmth and moisture creates a lush, vibrant atmosphere, perfect for experiencing the region's natural beauty.
In June, Numazu, Japan welcomes the start of summer with noticeably warmer temperatures. With a minimum of 16°C (62°F) and a comfortable average of 21°C (70°F), the city begins to shed the chill of spring. As the month progresses, highs reach an inviting 26°C (80°F), signaling perfect conditions for outdoor activities and enjoying the lush scenery. This transition from May's milder temperatures showcases a clear upward trend, as the days become longer and sunnier, making June an ideal time to experience the vibrant atmosphere that Numazu has to offer.
June marks a significant turning point in Numazu, Japan, as it experiences its wettest month of the year, with an impressive 286 mm (11.3 in) of precipitation over 16 days. This increase from May's 236 mm heralds the arrival of the summer rainy season, contributing to a remarkable surge that peaks in July with 437 mm. The pattern of rising rainfall begins in late spring, reflecting a clear upward trend as the region transitions from the drier earlier months. This deluge not only underscores the region's temperamental weather but also supports the lush landscapes that define Numazu, transforming it into a vibrant hub of greenery as nature flourishes through the abundant rainfall.
In June, Numazu, Japan, experiences a noticeable surge in humidity, reaching an impressive 88%. This increase sets the stage for the warm, sultry summer months ahead, as humidity levels on the rise are a hallmark of this season. Following a relatively moderate spring, where humidity fluctuated between 70% and 81%, June marks a dramatic shift. As the summer progresses, July peaks at a steamy 93%, indicating that residents can expect the air to feel increasingly thick and humid in the weeks that follow. This trend underscores how the city's climate transitions from the refreshing spring to the embrace of summer's warmth, enveloped in moisture.
As June settles in Numazu, Japan, residents and visitors alike should prepare for very high levels of UV radiation, with the UV Index reaching an extreme rating of 11. This intensity mirrors the preceding month of May and highlights a concerning trend, as both June and July maintain the same extreme UV conditions. With a burn time of just 10 minutes, it’s essential to prioritize sun protection measures during outdoor activities. As the summer months progress, vigilance against sun exposure becomes increasingly critical. For comprehensive insights on UV conditions, visit Numazu UV Index.
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June in Numazu, Japan, basks in a radiant 253 hours of sunshine, making it a delightful month for outdoor adventures and appreciating nature's beauty. This period marks a slight decrease from May's impressive 282 hours, yet it remains well above the winter months. Observing the overall trend, sunshine hours peak in August with 285 hours, while the initial months of the year display a gradual ascent toward summer warmth. As spring unfolds into summer, the sunlight beckons residents and visitors alike to enjoy scenic views of Mount Fuji and the enchanting coastline. The balance of sun and clouds creates a perfect environment for exploration, as the vibrant landscapes come alive under the June sun.
As June rolls in, the likelihood of sunny weather in Numazu, Japan, takes a notable dip, with only a 24% chance of sunshine. This month marks a sharp contrast to the brighter days found earlier in the year, particularly in January (58%) and February (65%), where residents enjoy more sunlit hours. Following May's already low projection of 26%, June continues this trend of decreased sunshine, setting the stage for the onset of the rainy season. Notably, the chances of sun begin to pick up again in July (31%) and beyond, but in June, locals may want to keep their umbrellas handy as cloudy conditions prevail.
As summer approaches, Numazu, Japan experiences a delightful consistency in daylight duration during June, basking in approximately 14 hours of sunlight. This extended brightness mirrors May’s improvement and sets the tone for the following months, maintaining a stable day length through July. Following the height of summer, daylight slowly begins to wane, with August seeing a slight decrease. Meanwhile, the earlier months of the year show a gradual progression from 10 hours in January and February, to 11 hours in March and then a notable leap to 13 hours in April. The overall trend underscores a vivid transition from the short winter days into the long, sun-soaked days of summer, creating a rhythmic cycle that enhances the charm of this picturesque coastal town.
In June, the winds in Numazu, Japan begin to mellow, averaging a gentle 2.2 m/s (5 mph), marking one of the calmest months of the year. This is a noticeable drop from the brisker conditions of the spring months, where averages reached around 3.2 m/s (7 mph) in April and May. As summer approaches, the city experiences a transition, with July and August displaying only a slight uptick in wind speed, hovering around 2.4 m/s (5 mph) and 3.2 m/s (7 mph), respectively. This trend of softer breezes invites a tranquil atmosphere, perfect for enjoying the lush landscapes and coastal views that Numazu is renowned for. Overall, June marks the beginning of a serene phase in the wind patterns, where nature whispers instead of shouts.
Weather in Numazu varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Numazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present contrasting weather patterns, with June showcasing milder temperatures and significantly higher humidity. In June, temperatures range from a minimum of 16°C (62°F) to a maximum of 26°C (80°F), accompanied by an average of 21°C (70°F). However, this month also experiences considerable rainfall, totaling 286 mm (11.3 in) over 16 days, resulting in a high humidity level of 88%. In stark contrast, January offers cooler conditions, with temperatures fluctuating between a minimum of 0°C (32°F) and a maximum of 17°C (62°F), averaging around 8°C (46°F). The month sees much less precipitation, with only 71 mm (2.8 in) falling over just 6 days and a lower humidity of 76%. For more detailed information, check out Numazu weather in January.
June and February offer distinctly different weather patterns. In June, temperatures range from a minimum of 16°C (62°F) to a maximum of 26°C (80°F), with an average of 21°C (70°F). The month is marked by high humidity at 88% and considerable rainfall, receiving about 286 mm (11.3 in) over approximately 16 days. Conversely, February experiences much cooler temperatures, with minimums of 1°C (33°F) and maximums reaching only 17°C (63°F), averaging around 8°C (46°F). The precipitation in February is significantly lower at 99 mm (3.9 in), spread over just 8 days, and the humidity is more moderate at 74%. For more details about February weather, you can check Numazu weather in February.
In comparing the weather between March and June, June is notably warmer with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 26°C (80°F), compared to March, which has a cooler range of 3°C (38°F) to 19°C (67°F). Additionally, June experiences higher humidity at 88%, while March has a more comfortable humidity level of 70%. Precipitation is more frequent in June, with 286 mm (11.3 in) over 16 days, versus 219 mm (8.6 in) over 13 days in March, making June the wetter month. For more detailed information about March weather, you can visit Numazu weather in March.
In comparing the weather in June to that of April, June tends to be much warmer and more humid. June's temperatures range from a minimum of 16°C (62°F) to a maximum of 26°C (80°F), with an average of 21°C (70°F). In contrast, April has cooler temperatures, with a low of 5°C (42°F) and a high of 22°C (72°F), averaging only 14°C (57°F). While both months experience significant rainfall, June sees a higher total precipitation of 286 mm (11.3 in) over 16 days, compared to April's 226 mm (8.9 in) across 11 days. Additionally, humidity levels are notably higher in June at 88%, opposed to April's 74%. For more detailed insights, you can visit Numazu weather in April.
In comparing the weather between May and June, June typically experiences warmer temperatures, with a minimum of 16°C (62°F) and an average of 21°C (70°F), compared to May's lower minimum of 12°C (53°F) and average of 18°C (64°F). June also sees higher maximum temperatures, reaching up to 26°C (80°F), while May peaks at 24°C (76°F). However, June is marked by significantly greater precipitation, with 286 mm (11.3 in) over 16 days, compared to May's 236 mm (9.3 in) over just 12 days, resulting in a higher humidity level of 88% in June versus 81% in May. For more details, check out Numazu weather in May.
In comparing the weather between June and July, it's evident that July experiences both warmer temperatures and higher humidity levels. June has an average temperature of 21°C (70°F), with a maximum of 26°C (80°F), while July's average rises to 24°C (76°F), peaking at 31°C (87°F). Additionally, July sees an increase in rainfall, with 437 mm (17.2 in) of precipitation over 21 days, compared to June's 286 mm (11.3 in) over 16 days. The humidity also rises slightly in July, reaching 93% compared to June's 88%. For more details, you can check Numazu weather in July.
In comparing the weather of June and August, June tends to be cooler with a minimum temperature of 16°C (62°F) and an average of 21°C (70°F), while August shows a warmer trend with minimum temperatures starting at 21°C (70°F) and reaching an average of 26°C (80°F). Despite both months experiencing precipitation on about 16 days, June records higher rainfall at 286 mm (11.3 in) compared to August's 223 mm (8.8 in). Interestingly, humidity levels remain quite similar, with June at 88% and August increasing slightly to 90%. For more details about August weather in Numazu, you can visit Numazu weather in August.
June and September offer distinct weather experiences, with June characterized by cooler temperatures and higher humidity. In June, temperatures range from a minimum of 16°C (62°F) to a maximum of 26°C (80°F), accompanied by significant precipitation averaging 286 mm (11.3 in) over 16 rainy days, resulting in a humid atmosphere with an average humidity of 88%. In contrast, September sees a slight increase in temperatures, with averages hitting a minimum of 17°C (63°F) and peaking at 30°C (85°F). Although there is still considerable rainfall—totaling 242 mm (9.5 in) over 17 days—the humidity decreases slightly to 86%. For a detailed look at September conditions, you can check Numazu weather in September.
In June, the weather typically features a range of temperatures with a minimum of 16°C (62°F), an average of 21°C (70°F), and a maximum reaching 26°C (80°F). The month is characterized by high humidity at 88% and significant precipitation, totaling 286 mm (11.3 in) over 16 days. In contrast, October experiences slightly cooler temperatures, with a minimum of 13°C (55°F), an average of 19°C (67°F), and a maximum of 27°C (81°F). Although October sees a bit more rainfall at 296 mm (11.6 in) over the same number of days, the humidity is lower at 83%. For those curious about the specifics of October weather, details can be found here: Numazu weather in October.
June and November offer contrasting weather experiences, showcasing the transition between late spring and autumn. In June, temperatures range from a comfortable minimum of 16°C (62°F) to a warm maximum of 26°C (80°F), with an average of 21°C (70°F). However, this month is characterized by high humidity at 88% and substantial rainfall, registering 286 mm (11.3 in) over 16 days. In stark contrast, November presents cooler conditions, with temperatures dipping to a minimum of 6°C (43°F) and averaging 15°C (59°F), peaking at 22°C (71°F). The precipitation is significantly lower at 102 mm (4.0 in) spread over just 10 days, and humidity remains moderate at 80%. For those interested in the specifics of November weather, further details can be found here: Numazu weather in November.
In June, the weather is significantly warmer and more humid, with average temperatures ranging from 16°C (62°F) to a maximum of 26°C (80°F) and an average humidity of 88%. However, June also experiences considerable rainfall, totaling 286 mm (11.3 in) over 16 days. In contrast, December brings much cooler temperatures, with averages between 1°C (35°F) and 19°C (67°F), and a lower precipitation level of 84 mm (3.3 in) spread over just 8 days. The humidity in December is also slightly lower at 78%. For more details, you can check Numazu weather in December.
As June unfolds in Numazu, the weather takes on a distinct character compared to other months. With temperatures rising to a comfortable average of 21°C, this month brings a refreshing warmth that encourages outdoor activities. However, it also marks the start of the rainy season, delivering significant precipitation over numerous days, resulting in a lush landscape and high humidity levels at 88%. The combination of warmth and moisture creates a uniquely tropical feel that contrasts sharply with the drier, cooler months preceding it. For a deeper dive into what to expect from Numazu's climate throughout the year, visit Numazu Climate.