Last updated: August 21, 2025
In May, Rishiri Town, Japan, experiences a delightful transition into spring, characterized by maximum temperatures reaching 17°C (62°F) and a refreshing average of 9°C (48°F). With a minimum temperature of 2°C (36°F), the weather remains cool, inviting brisk outdoor activities. However, residents and visitors should be prepared for 78 mm (3.1 in) of precipitation spread over 11 days, resulting in a humid environment with an average humidity of 88%. This combination of mild temperatures and ample moisture creates a vibrant backdrop for the natural beauty of Rishiri during this picturesque month.
In Rishiri Town, Japan, May marks a delightful transition into spring, bringing with it a noticeable rise in temperatures. With minimums averaging around 2°C (36°F) and maximums reaching up to 17°C (62°F), May showcases a significant warm-up from the chilly winter months. The average temperature settles at a comfortable 9°C (48°F), inviting residents and visitors alike to enjoy the blossoming nature and vibrant landscapes. This gradual increase in warmth sees a dramatic contrast to the preceding months, like the depths of January and February, where temperatures plummeted to -12°C (10°F) and -14°C (7°F), respectively. Each passing month in Rishiri Town showcases this upward trend, culminating in the more temperate and welcoming climate of May, setting the stage for a lush and lively summer ahead.
In May, Rishiri Town experiences a notable shift in precipitation, receiving 78 mm (3.1 in) of rain over 11 days. This marks an increase from April’s lighter showers, which contributed just 50 mm in 9 days. As spring progresses, the weather becomes more conducive to growth, making the mild rains essential for nurturing the landscape. While May's precipitation is less than the upcoming summer months, it still serves as a crucial bridge, preparing the region for the heavier rainfall that characterizes June and July. This trend illustrates a gradual buildup of moisture in the air, exemplifying how Rishiri Town’s climate transitions smoothly into the lush greenness of summer.
In Rishiri Town, Japan, May ushers in a notable rise in humidity, reaching 88%, which is slightly higher than the earlier months of the year. This increase reflects a broader trend of gradually intensifying humidity from April (84%) to June (also 88%), setting the stage for the more humid summer months ahead. While January started the year with the highest humidity at 87%, the comfortable conditions of spring gradually give way to the subtropical humidity characteristic of summer. As the weather warms, Rishiri's lush landscapes thrive, but residents and visitors should be prepared for the sticky months that immediately follow May, particularly as July and August peak at 93% and 94%, respectively.
In Rishiri Town, Japan, the UV Index experiences a notable rise as spring unfolds, peaking in May with a striking value of 8, placing it in the very high exposure category and reducing safe sun exposure time to just 15 minutes. This marks a significant shift from the preceding months, where the index gradually increased from 2 in January to 6 in April. As summer approaches, the intensity remains high, with June and July maintaining an index of 9. This trend underscores the importance of sun safety measures during these months. For detailed information on UV levels throughout the year, visit Rishiri Town UV Index.
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As spring blooms into summer, May shines brightly in Rishiri Town, Japan, boasting an impressive 305 hours of sunshine. This month marks a delightful peak in sunshine hours, building on the steady increase that begins in January with a modest 116 hours. The progression is evident: each month from March onwards witnesses a steady climb, culminating in May's vibrant radiance. The sunny days that characterize this month offer a taste of the balmy summer to come, as the town transitions seamlessly into June, which retains a healthy 290 hours of sunshine. This trend illustrates Rishiri's unique charm, where longer days invite both locals and travelers to savor the scenic beauty and outdoor adventures during this splendid time of year.
As May arrives in Rishiri Town, the likelihood of sunny days is a mixed bag, with a 28% chance of sunshine. This marks a noticeable dip compared to the preceding month of April, which boasts a 43% chance, highlighting the onset of spring as one of Rishiri’s brighter months. However, the warmth of June starts to beckon, bringing a promising 46% chance of sunny weather, indicating that the rainy days of early spring are about to give way to a more inviting summer. As locals and visitors anticipate the seasonal transition, May serves as a pivotal month, balancing sunshine with lingering coolness, perfectly capturing the evolving weather patterns of this beautiful northern Japanese town.
In Rishiri Town, Japan, the daylight duration reveals a captivating progression throughout the year. Beginning in the depths of winter, January sees only 9 hours of daylight, gradually increasing to 10 hours in February and reaching 11 hours by March. As spring unfolds, daylight blossoms, culminating in 14 hours by May, showcasing a significant jump that heralds the warmer months. June and July maintain this brightness with a peak of 15 hours, providing ample time for outdoor exploration. However, as summer wanes, the days gently retreat, dropping back to 14 hours in August and transitioning to 12 hours in September. The cycle continues, with autumn marking a decline to 10 hours in October, and winter returning in full force, as daylight dwindles to just 8 hours by December. This rhythmic pattern offers a stunning reflection of nature’s changing seasons.
In Rishiri Town, Japan, the wind pattern exhibits a notable seasonal variation, particularly evident in May, when the average wind speed drops to 6.6 m/s (15 mph). This gentle breeze marks a shift from the strong gusts of winter, with January and February consistently experiencing higher windspeeds of 8.9 m/s (20 mph). As spring unfolds, the wind begins to soften, reaching its lowest point for the year in July at 4.7 m/s (10 mph), before gradually picking up again in the fall. By November, the wind returns to its winter strength at 8.8 m/s (20 mph), hinting at the cyclical nature of weather patterns in this charming region. The dance of wind in Rishiri not only shapes the landscape but also enriches the experience for visitors who embrace the changing seasons.
Weather in Rishiri Town varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rishiri Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather tends to be milder and more pleasant, with average temperatures ranging from a chilly 2°C (36°F) at night to a comfortable 17°C (62°F) during the day. Precipitation is relatively moderate at 78 mm (3.1 in), occurring over about 11 days, and humidity levels are high at 88%, contributing to a fresh spring atmosphere. In contrast, January brings significantly colder conditions, where temperatures can plummet to a minimum of -12°C (10°F) and average just -3°C (27°F). Rainfall is slightly higher at 108 mm (4.3 in) over 21 days, and the humidity remains comparable at 87%. For more details on January weather specifics, you can refer to Rishiri Town weather in January. Overall, May presents a stark contrast to the harsh winter chill of January, highlighting the transition from frigid cold to the budding warmth of spring.
When comparing the weather in May and February, notable differences emerge. May experiences a milder climate with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (62°F), while February remains much colder, with temperatures plummeting to a minimum of -14°C (7°F) and only reaching a maximum of 5°C (41°F). In terms of precipitation, February is wetter, receiving 103 mm (4.1 in) over 21 days compared to May's 78 mm (3.1 in) over 11 days. Additionally, humidity is slightly higher in May at 88%, compared to February's 84%. For a more detailed look at February weather, you can visit Rishiri Town weather in February.
In comparing the weather between May and March, May offers significantly warmer temperatures, with an average of 9°C (48°F) compared to March's chilly 1°C (34°F). The minimum temperature in May is 2°C (36°F), while March can drop to a frigid -7°C (20°F). Although both months experience similar levels of precipitation—78 mm (3.1 in) in May and 75 mm (2.9 in) in March—March has slightly more rainy days, with 14 days of precipitation compared to May's 11. Humidity is also a bit higher in May at 88%, versus March’s 83%. For more details on March weather, you can visit Rishiri Town weather in March.
In comparing the weather between April and May, we see a noticeable increase in temperature as May settles in. April experiences a minimum temperature of -2°C (29°F) with an average of 5°C (41°F) and a maximum of 11°C (52°F), while May boasts a minimum of 2°C (36°F), an average of 9°C (48°F), and a comfortable maximum of 17°C (62°F). Additionally, May is wetter, receiving 78 mm (3.1 in) of precipitation over 11 days, compared to April's 50 mm (2.0 in) over 9 days. Humidity also rises slightly in May, reaching 88% compared to April’s 84%. For a more detailed overview of the weather patterns in April, you can visit Rishiri Town weather in April.
May and June exhibit a noticeable transition in weather, although both months maintain similar maximum temperatures. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 17°C (62°F), with an average of 9°C (48°F). The month sees 78 mm (3.1 in) of precipitation over 11 days, accompanied by high humidity at 88%. In contrast, June's temperatures improve slightly, featuring a minimum of 6°C (43°F) and an average of 13°C (55°F), with a maximum of 17°C (63°F). Precipitation increases to 88 mm (3.5 in) but occurs over fewer days—just 10—while humidity remains steady at 88%. This means that while June might be marginally warmer and wetter, both months share a similar overall feel. For more details, check out Rishiri Town weather in June.
May and July present contrasting weather conditions. In May, temperatures typically range from a cool 2°C (36°F) at night to a mild 17°C (62°F) during the day, with an average of 9°C (48°F). This month experiences a significant amount of rainfall, totaling 78 mm (3.1 in) across 11 days, and enjoys high humidity at 88%. In comparison, July boasts warmer temperatures, with nighttime lows of 10°C (51°F) and daytime highs reaching 26°C (78°F), averaging 18°C (64°F). However, it also sees increased precipitation at 104 mm (4.1 in) over a shorter span of 8 days and slightly higher humidity at 93%. For a detailed overview of the weather in July, visit Rishiri Town weather in July.
May and August exhibit stark differences in weather patterns. May generally sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 9°C (48°F), peaking at 17°C (62°F). This month also experiences higher humidity at 88% and a total precipitation of 78 mm (3.1 in) over 11 days. In contrast, August is much warmer, with temperatures ranging from a minimum of 15°C (60°F) to an average of 20°C (68°F), reaching a maximum of 26°C (79°F). It also has greater precipitation, totaling 148 mm (5.8 in) over 13 days, coupled with slightly higher humidity at 94%. This shift from May to August reflects a transition from crisp spring days to the warm and humid conditions of late summer. For more details, you can visit Rishiri Town weather in August.
In May, the weather is cool with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (62°F), averaging around 9°C (48°F). The month sees a significant amount of precipitation, totaling 78 mm (3.1 in) over about 11 days and accompanied by high humidity at 88%. In contrast, September offers a milder climate with temperatures starting at a minimum of 12°C (53°F) and peaking at 25°C (77°F), an average of 18°C (65°F). This month experiences slightly higher precipitation at 92 mm (3.6 in) over 10 days, but the humidity is just a touch lower at 86%. For more detailed information about September weather, visit Rishiri Town weather in September.
In May, the weather is generally cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (62°F) and an average of 9°C (48°F). The month experiences relatively high humidity at 88% and receives 78 mm (3.1 in) of precipitation over approximately 11 days. In contrast, October sees slightly milder temperatures, with minimums of 5°C (42°F), averages of 13°C (56°F), and maximums reaching 19°C (67°F). However, it is also marked by increased precipitation, totaling 136 mm (5.4 in) over 16 days, and lower humidity at 79%. For more details, you can check out Rishiri Town weather in October.
May and November present a striking contrast in weather conditions. In May, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 17°C (62°F), with an average around 9°C (48°F). The month experiences moderate precipitation of 78 mm (3.1 in) over 11 days, coupled with relatively high humidity at 88%. In comparison, November sees lower temperatures, with a minimum of -5°C (22°F) and an average of 6°C (42°F), while the maximum hovers around 15°C (59°F). This month is notably wetter, accumulating 172 mm (6.8 in) of rain across 22 days, though humidity is somewhat lower at 77%. For more insights, check out Rishiri Town weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 17°C (62°F), with an average of 9°C (48°F). This month sees about 78 mm (3.1 in) of precipitation over 11 days, accompanied by high humidity at 88%. In stark contrast, December's weather is much colder, with temperatures dropping to a minimum of -9°C (16°F) and averaging -1°C (31°F), reaching a maximum of 12°C (55°F). December experiences significantly more precipitation, totaling 167 mm (6.6 in) across 27 days, while humidity remains relatively high at 83%. For more details, you can check Rishiri Town weather in December.
As spring fully blooms in May, Rishiri Town experiences a noticeable shift in weather compared to the preceding months. The temperatures gradually rise, creating a more pleasant atmosphere that invites outdoor activities. However, the month is not without its showers, with precipitation occurring on nearly half of the days. The high humidity can make the air feel heavier, yet this moisture supports the lush landscapes that define the region. Overall, May represents a vibrant transition, striking a balance between coolness and warmth, making it a perfect time to explore the breathtaking views. For a deeper dive into the unique weather patterns throughout the year, visit Rishiri Town Climate.