Last updated: August 21, 2025
April in Rishiri Town, Japan, is characterized by a transition into milder spring weather, with average temperatures around 5°C (41°F). This month witnesses maximum temperatures reaching 11°C (52°F), while chilly nights can drop as low as -2°C (29°F). Visitors can expect about 50 mm (2.0 in) of precipitation over 9 days, contributing to the region's lush landscape. With humidity levels lingering at a high 84%, the atmosphere often feels refreshing, making it an intriguing time to experience the natural beauty and tranquil charm of this northern island town.
As April arrives in Rishiri Town, Japan, the chill of winter begins to subside, welcoming a notable transition in temperatures. With minimums rising to -2°C (29°F) and an average of 5°C (41°F), the town starts to shake off its frosty grip. Daytime highs reach a pleasant 11°C (52°F), hinting at the onset of spring. This gradual warming trend is a welcome change from the harsh cold of earlier months; for instance, just a month prior, temperatures hovered around freezing. As nature awakens, the days grow longer, inviting residents and visitors alike to enjoy the fresh, crisp air and emerge from their winter hibernation.
In April, Rishiri Town experiences a notable decline in precipitation, with only 50 mm (2.0 in) recorded over 9 days. This marks a shift from the heavier rains of winter and the early spring months, as March saw 75 mm (2.9 in) over 14 days. As the region transitions into late spring, the lighter rains of April serve as a precursor to the wetter months ahead. With May bringing an increase to 78 mm (3.1 in), Rishiri showcases its dynamic weather patterns, highlighting the seasonal variations that define this picturesque Japanese locale.
In April, Rishiri Town experiences a humidity level of 84%, which marks a slight uptick from the 83% recorded in March. This is part of a seasonal pattern where humidity begins to climb as spring unfolds. While April's humidity is relatively moderate, it foreshadows the more humid months ahead, with May and June both reaching 88%. The trend indicates that as temperatures rise in the summer, humidity will continue to soar, peaking at 94% in August. This seasonal shift highlights the transition from the drier winter months to the lush, moist atmosphere typical of Rishiri's summer, creating a vibrant environment for both residents and visitors.
As April unfolds in Rishiri Town, Japan, the UV Index rises to 6, marking the beginning of a high exposure category with a burn time of just 25 minutes. This noticeable increase from the earlier months reflects a trend towards greater sun intensity as spring sets in, encouraging residents and visitors alike to take sun safety measures seriously. Following April, even higher values are anticipated in May and June, where the UV Index peaks at 8 and 9, categorized as very high with a swift burn time of only 15 minutes. This gradual escalation underscores the importance of being vigilant about UV exposure as the days get longer and sunnier. For more details and safety tips, check the full information at Rishiri Town UV Index.
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As spring unfolds in Rishiri Town, Japan, April shines brightly with 291 hours of sunshine, marking a significant increase from the winter months—an impressive leap from 116 hours in January to 240 hours in March. This delightful transition sets the stage for May, which offers even more sunshine at 305 hours, hinting at the vibrant summer ahead. The trend of increasing daylight hours throughout the spring and summer months not only brightens the landscape but also uplifts the spirit of the town, fostering a sense of renewal and adventure. As early blossoms bloom, the warm rays of the sun herald the arrival of outdoor festivities, inviting residents and visitors alike to bask in Rishiri’s natural beauty.
As April arrives in Rishiri Town, Japan, the likelihood of sunny weather begins to rise significantly, with a 43% chance of clear skies—an increase from March's 34%. This notable shift marks a transition into spring, where longer daylight hours and the blossoming of nature herald more frequent sunlit days. Following April, May sees a dip to 28%, suggesting a temporary retreat of sunshine before the summer months, June through September, which boast the highest probabilities of sun, ranging from 44% to 46%. Thus, April stands at a pivotal point in Rishiri's weather pattern, offering a promising glimpse of brighter days ahead.
In Rishiri Town, Japan, the transition into April marks a notable increase in daylight duration, expanding to 13 hours compared to just 11 hours in March. This surge is part of a broader trend that sees daylight steadily increasing from the depths of winter, where January offers a mere 9 hours of light. As the days grow longer, April heralds the approach of summer with an inviting 13 hours of daylight, setting the stage for even brighter days ahead in May and June, where daylight peaks at 14 and 15 hours respectively. This rhythmic pattern showcases the gradual awakening of nature, as Rishiri Town bids farewell to the shorter, darker days of winter and embraces the vibrant life that follows in the sunlit months ahead.
In Rishiri Town, Japan, the month of April brings a gentle shift in the winds, as the average wind speed registers at 7.9 m/s (18 mph). This marks a slight increase from the more significant gusts experienced earlier in the year, particularly January and February, both at 8.9 m/s (20 mph). As the colder months recede, a gradual decline in wind speeds can be observed, with the March winds easing down to 7.6 m/s (17 mph). Following April, May anticipates a further reduction, settling at 6.6 m/s (15 mph). This trend represents a transition from the robust winter winds toward the calmer breezes of summer, inviting the charm of spring in Rishiri while maintaining a refreshing vibrancy.
Weather in Rishiri Town varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rishiri Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January showcase distinct differences in weather patterns. In April, temperatures are milder, with a minimum of -2°C (29°F) and an average of 5°C (41°F), peaking at 11°C (52°F). The month receives about 50 mm (2.0 in) of precipitation over approximately 9 days, with humidity levels at 84%. In contrast, January experiences much colder temperatures, with a minimum of -12°C (10°F) and an average of -3°C (27°F), only reaching a maximum of 5°C (40°F). Additionally, January is wetter, totaling 108 mm (4.3 in) of precipitation spread across 21 days, and has slightly higher humidity at 87%. For more detailed insights, you can visit Rishiri Town weather in January.
In comparing the weather between February and April, we see distinct differences in temperature and precipitation patterns. February typically experiences colder temperatures, with a minimum of -14°C (7°F) and an average of -3°C (27°F), while April shows a significant warming trend with temperatures ranging from a minimum of -2°C (29°F) to an average of 5°C (41°F), reaching a maximum of 11°C (52°F). Precipitation is also more pronounced in February, totaling 103 mm (4.1 in) over 21 days, compared to April's 50 mm (2.0 in) over 9 days. Both months share similar humidity levels at 84%, indicating that while April offers milder temperatures, February remains considerably colder with more frequent precipitation. For more insights into February's climate, you can check Rishiri Town weather in February.
April shows a noticeable improvement in temperatures compared to March, with average highs reaching 11°C (52°F) compared to March's max of 8°C (46°F). The minimum temperature in April is slightly higher at -2°C (29°F) than March's -7°C (20°F), showcasing a gradual warming trend as spring progresses. However, April experiences lower total precipitation at 50 mm (2.0 in) over 9 days, compared to March's 75 mm (2.9 in) across 14 days. Humidity levels remain relatively similar, with April at 84% and March at 83%. For more detailed insights into March weather, visit Rishiri Town weather in March.
April and May present a noticeable shift in weather, with May typically being warmer and more humid. In April, temperatures range from a chilly -2°C (29°F) at night to a mild maximum of 11°C (52°F) during the day, averaging around 5°C (41°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, with humidity levels at 84%. In contrast, May boasts a minimum temperature of 2°C (36°F) and an average of 9°C (48°F), peaking at a comfortable 17°C (62°F). Precipitation increases to 78 mm (3.1 in) spread over 11 days, with humidity slightly rising to 88%. For more specific details on the climate in May, you can explore Rishiri Town weather in May.
April and June showcase contrasting weather patterns, reflective of the transition from early spring to early summer. In April, temperatures remain quite cool, ranging from a chilly minimum of -2°C (29°F) to a modest maximum of 11°C (52°F), with an average of 5°C (41°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, coupled with a high humidity level of 84%.
By June, temperatures have notably risen, with a minimum of 6°C (43°F) and a maximum reaching 17°C (63°F), leading to a comfortable average of 13°C (55°F). While precipitation increases to 88 mm (3.5 in) over 10 days, reflecting a wetter climate, the humidity also rises slightly to 88%. For more details, visit Rishiri Town weather in June.
April and July present markedly different weather patterns. In April, temperatures range from a chilly -2°C (29°F) at night to a mild 11°C (52°F) during the day, with an average of 5°C (41°F). This month experiences about 50 mm (2.0 in) of precipitation over 9 days and a relatively high humidity of 84%. In contrast, July boasts warmer temperatures, with nightly lows around 10°C (51°F) and daytime highs reaching up to 26°C (78°F), averaging 18°C (64°F). Despite being summer, July receives more precipitation at 104 mm (4.1 in) across 8 days and has even higher humidity at 93%. For those interested in the specifics of July weather, you can find more details here: Rishiri Town weather in July.
April and August present notably different weather patterns. In April, temperatures are relatively cool, with minimums dropping to -2°C (29°F) and average highs reaching only 11°C (52°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, accompanied by high humidity levels at 84%. In contrast, August brings much warmer temperatures, with minimums around 15°C (60°F) and average highs of 26°C (79°F). Precipitation increases significantly to 148 mm (5.8 in) over 13 days, and humidity rises to 94%. These weather shifts reflect a transition from the crisp beginnings of spring in April to the warm, humid days of summer in August. For more details on the August climate, visit Rishiri Town weather in August.
April and September offer contrasting weather experiences. In April, temperatures range from a chilly -2°C (29°F) at night to a mild 11°C (52°F) during the day, with an average of 5°C (41°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days and maintains a high humidity level of 84%.
In comparison, September is markedly warmer, with nighttime lows around 12°C (53°F) and daytime highs reaching up to 25°C (77°F), culminating in an average temperature of 18°C (65°F). The month has increased rainfall, totaling 92 mm (3.6 in) across 10 days, while humidity rises slightly to 86%. For a more detailed look at the conditions, you can visit Rishiri Town weather in September.
In April, temperatures range from a chilly -2°C (29°F) to a mild 11°C (52°F), with an average of 5°C (41°F), while October experiences milder weather with temperatures between 5°C (42°F) and 19°C (67°F), and an average of 13°C (56°F). Precipitation is notably higher in October, totaling 136 mm (5.4 in) over 16 days compared to April's 50 mm (2.0 in) across 9 days. Additionally, April's humidity is slightly higher at 84%, while October's humidity is more comfortable at 79%. For more detailed insights, check out the Rishiri Town weather in October.
April and November present contrasting weather patterns. In April, temperatures generally range from a minimum of -2°C (29°F) to a maximum of 11°C (52°F), with an average of about 5°C (41°F). The month experiences around 50 mm (2.0 in) of precipitation over approximately 9 days, accompanied by relatively high humidity at 84%. In contrast, November displays a wider temperature range, with a minimum of -5°C (22°F) and a maximum of 15°C (59°F), averaging around 6°C (42°F). This month sees significantly more precipitation, totaling 172 mm (6.8 in) across 22 days, while humidity levels are lower at 77%. For more detailed information, check out Rishiri Town weather in November.
April and December present quite contrasting weather conditions. In April, temperatures typically range from a chilly -2°C (29°F) at night to a milder average of 5°C (41°F) during the day, peaking at 11°C (52°F). The month sees about 50 mm (2.0 in) of precipitation over roughly 9 days, accompanied by a high humidity level of 84%. In contrast, December's temperatures drop further, with nighttime lows averaging -9°C (16°F) and daytime highs around 12°C (55°F), leading to an average temperature of -1°C (31°F). The winter month experiences significantly more precipitation, totaling 167 mm (6.6 in), spread over 27 days, and maintains a humidity of 83%. For more detailed information about weather specifics in December, you can visit Rishiri Town weather in December.
As April unfolds in Rishiri Town, the weather begins to shift, offering a refreshing blend of cool temperatures and increased moisture. With a maximum temperature reaching 11°C, it's a significant step towards milder spring days compared to the enduring chill of winter. The humidity levels at 84% signal a persistent moisture presence, contributing to approximately 50 mm of precipitation over about nine days this month, ensuring the landscape is beautifully nourished. This transition period heralds the arrival of vibrant spring life, making it an invigorating time to experience Rishiri's natural beauty. For a deeper understanding of how April compares to other months, explore Rishiri Town Climate.