Last updated: August 21, 2025
In April, Oshu, Japan, experiences a dynamic range of temperatures, with maximums reaching 25°C (77°F), while average temperatures settle around 8°C (47°F) and lows dipping to -6°C (21°F). This month also sees a notable precipitation total of 119 mm (4.7 in) over the course of 15 days, contributing to a humidity level of approximately 75%. The blend of warmth and moisture creates a vibrant atmosphere, showcasing the beauty of early spring in this enchanting region.
In April, Oshu, Japan, begins to shed the winter chill, with temperatures rising from a frigid minimum of -6°C (21°F) to a pleasant maximum of 25°C (77°F). The average temperature climbs to 8°C (47°F), marking a notable transition from the earlier months where temperatures lingered below freezing. This shift not only invites the emergence of spring flora but also encourages outdoor activities as residents and visitors alike bask in the gradually warming sun. As the month progresses, the contrast with the harsher winters becomes striking, hinting at the vibrant summer just around the corner.
April in Oshu, Japan, marks a notable increase in precipitation, with an impressive 119 mm (4.7 in) recorded over the month, hinting at the region's transition into the wet season. With 15 rainy days, this uptick continues the trend established in March, where 106 mm (4.2 in) fell across the same number of days. The consistent rise in rainfall from January's relatively dry 56 mm (2.2 in) to April's robust totals showcases the region's gradual shift towards its more humid summer months, setting the stage for May's similarly high levels. This pattern not only enriches the landscape but also supports the local ecosystem, reinforcing Oshu’s vibrant springtime allure.
In April, Oshu experiences a noticeable decline in humidity, dropping to 75%, which marks the lowest level since the beginning of the year. This shift continues the downward trend observed from January's 80%, through February and March, suggesting a gradual easing of moisture in the air as spring unfolds. As the region transitions into May, humidity levels are expected to rise again, returning to 80%. This fluctuation highlights Oshu's distinct seasonal changes, where the initial spring warmth brings a brief reprieve from the heavier humidity that sets in by summer, reaching a peak of 92% in July and August. As the year progresses, the rhythm of humidity in Oshu plays a crucial role in shaping the region's climate and the experiences of its residents.
As April arrives in Oshu, Japan, residents can expect a notable rise in the UV Index, hitting 8, which falls into the very high exposure category. This sharp increase from March's 6 serves as a reminder to be vigilant about sun safety, as the burn time decreases significantly to just 15 minutes. Such trends indicate that spring in Oshu is not only a time for blooming flowers but also a period where sun protection becomes crucial. With UV levels climbing through May to a peak of 9 and remaining high throughout the summer months, it's essential to stay informed about UV exposure. For more details on UV levels and safety tips, visit Oshu UV Index.
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April in Oshu, Japan, bursts forth with an impressive 263 hours of sunshine, a delightful peak in the spring months that lays the groundwork for brighter days ahead. Following the steady climb from 255 hours in March, April marks a significant uplift, reinforcing the trend of increasing daylight as winter yields to spring. As May approaches, the sun shines even brighter with an anticipated 290 hours, suggesting that Oshu's transition toward summer will be exceptionally radiant. This upward trajectory not only brightens the landscape but also invigorates the spirit, inviting residents and visitors alike to embrace the warmth and vitality of the season.
In Oshu, Japan, the likelihood of sunny weather in April hovers around 42%, reflecting a slight uptick from the preceding months. This moderate probability suggests that April transitions into a brighter phase after the cooler fluctuations of January and March, which both recorded a 32% chance of sunshine. Interestingly, while February brings a more promising 43%, the sunny days begin to dwindle markedly in the following months, with May dropping to 25% and continuing a downward trend into the summer. This pattern underscores April as a month where residents and visitors can reasonably expect sunshine, making it an ideal time to enjoy the blooming cherry blossoms and outdoor activities before the rainier days of early summer set in.
As April arrives in Oshu, Japan, the days grow noticeably longer, granting residents a delightful 13 hours of sunlight. This significant increase from March's 11 hours marks a vibrant transition to spring, as daylight continues to lengthen toward the summer months. The trend of ascending daylight hours peaks in May, reaching 14 hours, before gradually stabilizing through the summer. These longer days not only enhance outdoor activities but also invite the blooming beauty of cherry blossoms, making April a truly enchanting time of year in Oshu. As daylight starts to wane in the fall, the contrast with the lively spring and summer creates a captivating rhythm in the seasons.
In Oshu, Japan, April welcomes a gentle breeze with an average wind speed of 3.1 m/s (7 mph), mirroring the calm that characterized March. This tranquil wind is a subtle reminder that spring is in full bloom, creating a refreshing atmosphere as blossoms unfold. Interestingly, as the season progresses into May, the wind speed dips slightly to 2.8 m/s (6 mph), suggesting a gradual easiness that often accompanies the warmer months. Notably, this pattern of fluctuating wind begins to decline significantly in the summer, dropping to a mild 1.8 m/s (4 mph) in July. Thus, April serves as a delightful transition, where the wind's whisper enhances the beauty of the awakening landscape while hinting at the stillness that will soon blanket the summer days.
Weather in Oshu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oshu, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April to that of January, it's clear that April offers a significant transition toward milder conditions. In April, temperatures range from a frigid minimum of -6°C (21°F) to a pleasant average of 8°C (47°F), peaking at a maximum of 25°C (77°F). In contrast, January experiences much harsher conditions, with temperatures dipping as low as -22°C (-8°F) and an average of -2°C (30°F), reaching a maximum of only 7°C (45°F). April also sees higher precipitation levels at 119 mm (4.7 in) over 15 days, compared to January's 56 mm (2.2 in) over 12 days. Despite April’s wetter conditions, it maintains a slightly lower humidity level at 75%, while January's humidity hits 80%. For more insights on January weather, visit Oshu weather in January.
April weather shows a significant warming trend compared to February. With temperatures ranging from a minimum of -6°C (21°F) to a maximum of 25°C (77°F), April enjoys an average temperature of 8°C (47°F), making it considerably milder than February's cooler range of -18°C (0°F) to 11°C (52°F), with an average of -1°C (31°F). Additionally, April experiences more precipitation, totaling 119 mm (4.7 in) over 15 days, compared to February's 69 mm (2.7 in) over 14 days. While both months have high humidity levels, February's humidity stands slightly higher at 79% compared to April's 75%. For a closer look at February's weather conditions, visit Oshu weather in February.
April generally brings milder temperatures compared to March, with average highs reaching 25°C (77°F) and lows of -6°C (21°F), compared to March's max of 20°C (68°F) and min of -12°C (11°F). Precipitation levels are slightly higher in April, totaling 119 mm (4.7 in) over 15 days, while March sees 106 mm (4.2 in) over 14 days. Despite the increase in temperature, April maintains a humidity level of 75%, only slightly lower than March's 77%. For a more detailed look at March weather, check out Oshu weather in March.
April and May present a noticeable transition in weather patterns. In April, temperatures range from a chilly -6°C (21°F) at the minimum to a pleasant 25°C (77°F) at the maximum, with an average of 8°C (47°F). The month sees significant precipitation, totaling 119 mm (4.7 in) over 15 days, and humidity levels hold steady at 75%. In contrast, May brings milder temperatures with a minimum of 3°C (38°F) and a peak of 30°C (87°F), averaging 14°C (58°F). Precipitation slightly decreases to 114 mm (4.5 in) over 13 days, while humidity rises to 80%. For a closer look at May weather specifics, check out Oshu weather in May.
April and June present distinct weather characteristics. In April, temperatures can range from a chilly minimum of -6°C (21°F) to a pleasant maximum of 25°C (77°F), with an average of 8°C (47°F). The month sees around 119 mm (4.7 in) of precipitation over 15 days, accompanied by a humidity level of 75%. In contrast, June enjoys warmer temperatures, with a minimum of 7°C (44°F), an average of 18°C (65°F), and a maximum reaching 30°C (87°F). Although June has slightly more precipitation at 129 mm (5.1 in) over 14 days, the humidity rises to 87%, contributing to a more humid atmosphere. For more detailed insights, visit Oshu weather in June.
In April, the weather experiences a wide temperature range, with minimums dipping to -6°C (21°F) and daytime highs reaching up to 25°C (77°F), resulting in an average of about 8°C (47°F). The month sees significant precipitation, totaling 119 mm (4.7 in) across approximately 15 days, along with a humidity level of 75%. In contrast, July brings a notably warmer climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), averaging around 22°C (72°F). The rainfall increases to 182 mm (7.2 in) over 17 days, accompanied by higher humidity levels at 92%. For more detailed information on the weather specifics in July, you can check this link: Oshu weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a pleasant average of 8°C (47°F), peaking at 25°C (77°F). The month sees considerable rainfall, with 119 mm (4.7 in) spread over 15 days and a humidity level of 75%. Conversely, August brings warmer climes, with a minimum temperature of 10°C (51°F), an average of 23°C (74°F), and highs reaching up to a sweltering 34°C (94°F). Precipitation is slightly higher in August, totaling 167 mm (6.6 in) across 18 days, accompanied by increased humidity levels of 92%. For more detailed insights, you can refer to Oshu weather in August.
April and September offer distinct weather experiences. In April, the temperatures range from a chilly -6°C (21°F) at night to a pleasant 25°C (77°F) during the day, with an average temperature of 8°C (47°F). This month sees a considerable amount of precipitation, totaling 119 mm (4.7 in) over 15 days, coupled with a humidity level of 75%. In contrast, September welcomes warmer days, with temperatures varying between a minimum of 4°C (39°F) and a maximum of 33°C (91°F), averaging 19°C (67°F). The precipitation is slightly lower at 117 mm (4.6 in) over 12 days, but the humidity is higher at 86%. This comparison highlights the transition from the cool, wet beginnings of spring in April to the warm, humid days of early autumn in September. For more details on conditions in September, you can refer to Oshu weather in September.
April and October showcase notable differences in weather patterns, reflecting their transitional nature within the seasons. In April, temperatures can vary significantly, ranging from a chilly minimum of -6°C (21°F) to a comfortable maximum of 25°C (77°F), with an average temperature around 8°C (47°F). This month experiences about 119 mm (4.7 in) of precipitation over approximately 15 days, accompanied by a humidity level of 75%.
In contrast, October tends to be milder with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 27°C (80°F), averaging around 13°C (55°F). Precipitation is slightly higher at 154 mm (6.1 in) over 12 days, and humidity increases to 82%. For more insights on the weather during this month, you can check out Oshu weather in October. Overall, while both months exhibit variability in temperatures and moisture, October leans towards a more humid and rainy environment compared to April.
April and November present distinctly different weather patterns. In April, temperatures range from a chilly -6°C (21°F) at night to a pleasant 25°C (77°F) during the day, with an average of 8°C (47°F). This month sees considerable precipitation, with 119 mm (4.7 in) spread over 15 days, and humidity levels at 75%. In contrast, November experiences milder temperatures, with a minimum of -4°C (24°F) and a maximum of 19°C (66°F), averaging 6°C (44°F). Rainfall is less frequent, totaling 56 mm (2.2 in) over 10 days, while humidity is slightly higher at 79%. Overall, April is characterized by more variability and higher precipitation, while November offers a cooler and drier climate. For more detailed information, visit Oshu weather in November.
April and December present quite contrasting weather conditions. In April, temperatures range from a chilly -6°C (21°F) at night to a pleasant maximum of 25°C (77°F) during the day, averaging around 8°C (47°F). The month sees significant precipitation, totaling 119 mm (4.7 in) over about 15 days, and humidity levels are moderate at 75%. In contrast, December features colder temperatures, with a minimum of -10°C (14°F) and a maximum of 14°C (58°F), resulting in an average of just 1°C (33°F). Although the total precipitation drops to 78 mm (3.1 in) across 17 days, humidity levels rise slightly to 80%. For more detailed information on December weather, you can visit Oshu weather in December.
April in Oshu brings a refreshing shift from the chill of winter, with temperatures starting to rise and daytime warmth becoming more inviting. Unlike the colder months, this time of year sees a noticeable increase in humidity, creating a vibrant atmosphere that signifies the transition to spring. However, April is also characterized by frequent rainfall, making it one of the wetter months of the year. This blend of mild temperatures and increased precipitation sets April apart, allowing nature to bloom while reminding residents to keep an umbrella handy. For a deeper look into the area's climatic trends, visit Oshu Climate.