Last updated: August 21, 2025
June in Izu, Japan ushers in a warm and humid atmosphere, with temperatures ranging from a pleasant 15°C (59°F) to a soaring 29°C (85°F), averaging around 21°C (71°F). This month is characterized by frequent rain, accumulating to 263 mm (10.3 in) over 17 days, contributing to the lush landscapes the region is known for. With humidity levels reaching an impressive 88%, visitors can expect a vibrant natural setting, albeit with frequent bursts of rain that add to the charm of Izu in early summer.
In Izu, Japan, June marks the transition into summer, bringing warmer temperatures that set the stage for outdoor adventures. The month begins with a mild minimum of 15°C (59°F), creeping up to an average of 21°C (71°F) and peaking at a comfortable 29°C (85°F). This rise in temperature reflects the region's shift from the cooler spring months, with June showcasing an inviting blend of warmth and balmy evenings that beckon visitors to explore its stunning landscapes and pristine coastlines. As the days lengthen and the sun shines brighter, it's a perfect time to experience the local festivals and vibrant nature that Izu has to offer, marking it as one of the more pleasant months in the yearly climate cycle.
In June, Izu, Japan, experiences a significant surge in precipitation, receiving an impressive 263 mm (10.3 in) of rain over 17 days. This marks a notable increase compared to the previous months, as it transitions from the spring season's rainfall into the height of the wet season. The deluge in June not only sets the stage for the following month, which sees the highest annual total in July at 326 mm (12.8 in), but also underscores a trend of increasing precipitation as the year progresses. As Izu prepares for the bustling summer, these rainy days play a critical role in nourishing the region's lush landscapes, showcasing the delicate balance of seasonal change in this picturesque part of Japan.
June in Izu, Japan, marks a significant shift in humidity, soaring to an annual high of 88%. This month serves as a precursor to the sweltering summer that follows, where humidity levels peak in July at an impressive 93%. Notably, June's humidity is a noticeable jump from May's already high level of 81%, signaling the onset of the rainy season. As the year progresses, humidity begins to display a clear upward trend from the drier months earlier in the year—January through March—where levels hover around 70%. The gradual increase in humidity throughout spring culminates in June, setting the stage for a season characterized by lush landscapes and a vibrant atmosphere.
In Izu, Japan, June brings an extreme UV Index of 11, similar to May, with a rapid burn time of just 10 minutes. This marks the continuation of a notable trend, where UV levels peak during the summer months, urging residents and visitors alike to take extra precautions. Following the steady rise from a moderate 4 in January to an alarming extreme just before summer, it is crucial to plan outdoor activities wisely. As July approaches, the UV Index escalates even further to 12, underscoring the importance of sun safety. As you enjoy Izu's beautiful landscapes, be sure to stay informed and protected. For more details, check the Izu UV Index.
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In Izu, Japan, June heralds a striking transition from the vibrant warmth of late spring to the lush greenery of summer. With 253 hours of sunshine, June offers a delightful balance, slightly dipping from May’s peak of 282 hours but still outshining the following months like July and October. This gradual decrease hints at the onset of the rainy season, yet it doesn’t diminish the charm of exploring Izu’s picturesque coastline and serene landscapes under the golden sun. As visitors revel in the soft light of early summer, the longer days of August emerge on the horizon, promising even more radiant moments ahead.
In June, the likelihood of sunny weather in Izu, Japan, drops to 22%, marking a notable shift from the more promising conditions seen in the early months of the year. While January and February offer a 59% and 66% chance of sunshine, respectively, the spring months start to dwindle, with only 48% in April and a mere 25% by May. This downward trend continues into June, reflecting the onset of the rainy season in the region. As summer approaches, the chances improve slightly, with July and August bringing 30% and 33% prospects of sun. Overall, June's weather can be characterized as quite unpredictable, favoring cloud cover rather than clear skies.
In Izu, Japan, the daylight duration transitions steadily throughout the year, showcasing a clear seasonal rhythm. Starting the year with 10 hours of daylight in both January and February, the days gradually lengthen as spring approaches, reaching 11 hours in March. By April, the daylight extends to 13 hours, paving the way for longer, brighter days. May sees a peak of 14 hours, which persists into June and July, creating an inviting atmosphere for outdoor activities. As summer fades into August, daylight begins to wane slightly, settling at 13 hours before transitioning into the shorter days of autumn, with September offering 12 hours and October 11 hours. This gradual ebb continues, culminating in 10 hours in November and culminating the year with 9 hours in December, a reflective reminder of nature's cyclical rhythms.
In June, the winds in Izu, Japan, experience a shift, with an average speed of only 2.0 m/s (4 mph), marking a notable decline from the brisk breezes of the preceding months. This subtler wind can be attributed to the transition into summer, as the region starts to warm up, leading to calmer conditions. Compared to the peak winds felt in the earlier winter months, like January and February, where speeds hover around 3.3 m/s (7 mph) to 3.7 m/s (8 mph), June's winds invite a more serene atmosphere perfect for outdoor activities. As the summer unfolds, this gentle wind persists through July, leaving behind the brisk air of spring. Overall, June signals a shift toward a tranquil summer pace, balancing warmth with a soft, refreshing breeze.
Weather in Izu varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Izu, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present a stark contrast in weather. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). The month is also marked by high humidity at 88% and considerable rainfall, accumulating 263 mm (10.3 in) over 17 days. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 18°C (64°F), averaging only 7°C (44°F). Additionally, January sees less precipitation, with 68 mm (2.7 in) spread over just 5 days and lower humidity at 76%. For a more detailed look at January weather, you can refer to Izu weather in January.
June and February present strikingly contrasting weather conditions. In June, temperatures range from a cool 15°C (59°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). This month also sees significant precipitation, totaling 263 mm (10.3 in) over approximately 17 days, accompanied by high humidity levels of 88%. In stark contrast, February experiences much colder temperatures with a minimum of -1°C (30°F) and a maximum of 19°C (67°F), averaging around 7°C (45°F). Precipitation is much lighter in February, reaching only 83 mm (3.2 in) over about 8 days, and the humidity level is notably lower at 74%. For more detailed information on February weather, check out Izu weather in February.
In comparing the weather between June and March, it's clear that June experiences significantly warmer temperatures, with a minimum of 15°C (59°F) and an average of 21°C (71°F), peaking at 29°C (85°F). In contrast, March has much cooler temperatures, starting at a low of 1°C (34°F) and averaging just 11°C (51°F) with a maximum of 22°C (72°F). Additionally, June is characterized by higher humidity at 88% and more precipitation, totaling 263 mm (10.3 in) over 17 days, compared to March’s 196 mm (7.7 in) over 13 days. For a more detailed look at March weather, you can refer to Izu weather in March.
When comparing the weather in June and April, it's clear that June is warmer and wetter. June boasts average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), while April has a much cooler average, with temperatures ranging from 3°C (38°F) to 24°C (76°F). Additionally, June records significantly higher precipitation, with 263 mm (10.3 in) over 17 days, compared to April's 168 mm (6.6 in) over just 11 days. The humidity in June further emphasizes the change of season, reaching 88% compared to April's 74%. For a detailed look at May weather, check out this Izu weather in April.
In comparing the weather between May and June, June tends to be warmer with an average temperature of 21°C (71°F), compared to May's average of 18°C (65°F). While both months experience mild conditions, June sees higher maximum temperatures, peaking at 29°C (85°F), compared to May’s 28°C (82°F). However, June is also significantly wetter, receiving 263 mm (10.3 in) of precipitation over 17 days, whereas May has 194 mm (7.6 in) falling over 12 days. Additionally, humidity levels rise in June to 88%, up from 81% in May, making it feel more muggy. For more detailed information about May weather specifically, you can visit Izu weather in May.
June and July exhibit noticeable differences in weather patterns. June experiences mild temperatures, with a minimum of 15°C (59°F) and an average of 21°C (71°F), while July sees warmer conditions, peaking at a maximum of 33°C (92°F) and maintaining an average of 25°C (77°F). Precipitation is more frequent in July, with 326 mm (12.8 in) over 19 days, compared to June’s 263 mm (10.3 in) spread over 17 days. Additionally, July's humidity rises slightly to 93%, compared to June's 88%. For a detailed look at July's weather in Izu, you can visit Izu weather in July.
The weather in June and August presents notable differences despite both months experiencing considerable humidity. June typically sees temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). This month is characterized by significant rainfall, totaling 263 mm (10.3 in) over 17 days. In contrast, August warms up, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), averaging 27°C (81°F). Rainfall in August is less intense at 176 mm (6.9 in) while maintaining humidity levels at around 90%. For more detailed insights into August weather, you can visit Izu weather in August.
June and September weather displays both similarities and notable differences. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). The month experiences significant rainfall, totaling 263 mm (10.3 in) across 17 days, combined with high humidity at 88%. In contrast, September sees a warmer average temperature of 23°C (74°F), with maxima reaching 33°C (91°F) and similar minimums of 15°C (60°F). Although September has slightly less precipitation at 221 mm (8.7 in) and rain spread over 20 days, the humidity remains quite high at 86%. For more detailed insights, check out Izu weather in September.
June and October offer contrasting weather experiences, despite having similar maximum temperatures. In June, the average temperature reaches a comfortable 21°C (71°F), with highs peaking at 29°C (85°F), but it also brings significant rainfall, totaling 263 mm (10.3 in) over 17 days and high humidity at 88%. In contrast, October features slightly cooler minimum temperatures, averaging 19°C (66°F), with highs still reaching 29°C (84°F). October sees more precipitation, totaling 305 mm (12.0 in) over 16 days, but with lower humidity at 83%. This comparison illustrates how both months provide warm temperatures, albeit with different levels of rainfall and humidity. For more details, you can check Izu weather in October.
June and November present strikingly different weather patterns. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F), accompanied by high humidity at 88%. This month also sees considerable rainfall, totaling 263 mm (10.3 in) over 17 days. In contrast, November features much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 22°C (72°F), averaging around 14°C (58°F). Precipitation during this month is significantly lower, with 94 mm (3.7 in) over just 10 days and humidity at a more moderate 80%. For a detailed look at weather patterns in November, check out Izu weather in November.
June and December present stark contrasts in weather patterns. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). The month is marked by high humidity at 88% and significant rainfall, totaling 263 mm (10.3 in) over 17 days. In contrast, December experiences much cooler temperatures, ranging from 0°C (32°F) to 21°C (69°F), with an average of 9°C (49°F). Precipitation is significantly lower at 74 mm (2.9 in) spread over just 8 days and humidity drops to 78%. For more detailed weather information in December, you can check Izu weather in December.
As June settles over Izu, the weather transforms, blending warmth with the vibrancy of early summer. Unlike the cooler months that precede it, June welcomes average temperatures around 21°C (71°F), often peaking at a pleasant 29°C (85°F). However, with high humidity at 88% and nearly half the month experiencing rain, the lush greenery thrives, giving the region its signature charm. This combination of warmth and moisture makes June a unique transition month—not quite sweltering, yet distinctly different from the drier spring days. For a deeper dive into the enchanting climate of Izu year-round, visit Izu Climate.