Last updated: August 21, 2025
In Biei, Japan, April presents a unique blend of spring's awakening, with temperatures ranging from a maximum of 20°C (69°F) to a chilly minimum of -9°C (16°F). On average, expect a crisp 4°C (40°F) as the landscape transitions into vibrant blooms. Visitors should prepare for moderate rainfall, totaling 84 mm (3.3 in) across approximately 14 days, creating a refreshing yet humid atmosphere with an average humidity of 81%. This mix of conditions highlights April as an intriguing time to experience Biei's picturesque scenery and revitalizing spring air.
April in Biei, Japan, marks a notable shift in temperatures, signaling the arrival of spring. The month opens with minimum temperatures around -9°C (16°F), giving way to a gentle average of 4°C (40°F), and peaks at a pleasant 20°C (69°F). This progression illustrates a dramatic warming trend compared to the lingering chill of March, where the maximum temperature only reached 12°C (54°F). As the days lengthen and the landscape begins to bloom, April serves as a transitional canvas, bridging the cold of winter and the warmth of summer. With increasingly milder days, local flora starts to awaken, inviting both residents and visitors to enjoy the stunning rural vistas that Biei is famed for.
In April, Biei, Japan, experiences a moderate precipitation amount of 84 mm (3.3 in), a slight decrease from the wetter months of March and May. With 14 days of rainfall, this month maintains a balanced rhythm, setting the stage for the vibrant spring bloom. Compared to the higher totals seen earlier in the year, April delivers consistent moisture that nourishes the landscape without overwhelming it. This trend of steady precipitation continues into May, which swells to 114 mm (4.5 in), as the region transitions into the lushness of early summer. Thus, April serves as a pivotal month, where the balance of rain fosters both growth and rejuvenation in Biei’s picturesque scenery.
In April, Biei, Japan experiences a humidity level of 81%, maintaining a consistent and moderate atmosphere that transitions smoothly from the colder months. This figure reflects a gradual decrease from the high humidity of 84% in January and 83% in February, indicating a shift towards drier conditions as spring unfolds. As the season progresses into May, humidity spikes again to 86%, foreshadowing the summer months when humidity reaches its peak in July at an impressive 93%. Overall, April stands as a pivotal point in Biei's annual humidity trend, bridging the tranquil dryness of early spring with the lush, humid warmth of approaching summer.
As spring unfolds in Biei, Japan, the UV Index climbs steadily, peaking at 7 in April within the high exposure category. This marks a notable increase from the moderate levels seen earlier in the year, with January at a UV Index of 2 and February at 3. As the days grow longer and the sun stronger, residents and visitors alike should be mindful of sun protection, as the burn time decreases to just 25 minutes. This trend continues into May and June, when the UV Index escalates to 9, indicating a shift toward very high levels of sun exposure. For a detailed look at the UV Index throughout the year, check out Biei UV Index.
UV Risk Categories
In April, Biei, Japan, basks in 278 hours of radiant sunshine, a delightful increase from the 247 hours recorded in March. This trend of rising sunlight continues into the following months, reaching its peak in July with a stunning 304 hours, while May and June also shine brightly with 295 and 285 hours, respectively. The gradual ascent of sunlight hours from the earlier months signals the arrival of Spring, invigorating the landscape and showcasing Biei's stunning scenery. As the year progresses, the days may gradually lengthen, but it’s during these vibrant spring months that Biei truly comes alive under the warming glow of the sun.
April in Biei, Japan, marks a subtle shift in the chances of sunny weather, with the likelihood climbing to 35%—a noticeable increase from the previous months. After the long winter, this month stands out as the sun starts to peek more frequently, compared to just 19% in February and 26% in January. Although May dips slightly to 21%, the overall trend indicates that as spring unfolds, the sun becomes a more welcomed guest. With June boasting the highest probability at 40%, April serves as a delightful precursor, hinting at the sunny days that lie ahead. As blossoms burst into life, Biei's April weather offers a refreshing promise of brighter moments amidst the lingering chill.
As April arrives in Biei, Japan, the days grow significantly longer, with daylight increasing to an invigorating 13 hours. This marks a delightful shift from the earlier months, showcasing a gradual rise from January's 9 hours to March's 11 hours. The progressive extension of daylight not only heralds the arrival of spring but also invites residents and visitors alike to bask in the beauty of blooming landscapes. This trend of increasing light continues into May, reaching 14 hours, before tapering off into the warm, yet shorter, days of summer in June and July, which peak at 15 hours. As the year unfolds, the rhythm of daylight subtly dances between the seasons, offering a captivating glimpse of nature's changing palette.
As April unfolds in Biei, Japan, the gentle whispers of wind begin to rise, with an average speed reaching 2.9 m/s (7 mph). This marks a slight increase from the preceding months—January through March, where the wind was more languid, averaging just 2.7 m/s (6 mph). Interestingly, April's breezes bring a refreshing change, providing a delightful contrast to the lighter winds of May that subsequently dip to 2.4 m/s (5 mph). This transition showcases the dynamic nature of Biei's springtime atmosphere, where the invigorating April winds serve as a herald of the warmth and vitality of the approaching summer months. As spring progresses, the winds, while gradually decreasing again come summer, highlight the seasonal shifts that define this picturesque region.
Weather in Biei varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Biei, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present markedly different weather conditions. In April, temperatures range from a chilly minimum of -9°C (16°F) to a pleasant maximum of 20°C (69°F), with an average of 4°C (40°F). The month experiences about 84 mm (3.3 in) of precipitation over 14 days, coupled with a humidity level of 81%. In contrast, January is significantly colder, with temperatures dipping as low as -23°C (-10°F) and averaging -9°C (16°F), only reaching a maximum of 3°C (38°F). The total precipitation in January is slightly lower at 71 mm (2.8 in), but this occurs over a longer span of 18 days, and humidity remains high at 84%. For more detailed information on January weather, you can check Biei weather in January.
April weather shows a marked improvement compared to February, with temperatures rising from an average of -7°C (19°F) in February to a more mild average of 4°C (40°F) in April. The maximum temperature in April can reach up to 20°C (69°F), a significant contrast to the maximum of only 7°C (45°F) seen in February. While both months experience precipitation, April has slightly less with 84 mm (3.3 in) over approximately 14 days, compared to February's 94 mm (3.7 in) over 21 days. Humidity levels remain relatively similar, with April at 81% and February at 83%. For a closer look at February conditions, you can check Biei weather in February.
In comparing March and April weather, April generally offers a noticeable improvement in temperatures, with average highs reaching 20°C (69°F) compared to March's maximum of 12°C (54°F). The minimum temperatures also fare better in April, with a low of -9°C (16°F) versus March’s -15°C (5°F). However, April experiences slightly less precipitation, totaling 84 mm (3.3 in) over 14 days, whereas March sees 102 mm (4.0 in) over 15 days, indicating a wetter month overall in March despite both months maintaining a consistent humidity level of 81%. For more detailed insights, you can refer to Biei weather in March.
April and May exhibit a notable transition in weather patterns. In April, temperatures range from a chilly minimum of -9°C (16°F) to a maximum of 20°C (69°F), with an average of 4°C (40°F). The month is characterized by significant precipitation, totaling 84 mm (3.3 in) over 14 days, alongside high humidity at 81%. In contrast, May experiences a warmer climate with temperatures starting from a minimum of 0°C (32°F) and soaring to a maximum of 31°C (88°F), averaging 11°C (53°F). However, May also brings increased rainfall, with precipitation of 114 mm (4.5 in) over 15 days and slightly higher humidity at 86%. For more detailed information, check out Biei weather in May.
April and June present notably different weather patterns. In April, temperatures range from a chilly minimum of -9°C (16°F) to a maximum of 20°C (69°F), with an average of 4°C (40°F), while June offers a more temperate climate, with minimum temperatures at 3°C (38°F) and a comfortable maximum of 27°C (80°F), averaging 15°C (59°F). Precipitation also increases from 84 mm (3.3 in) in April to 115 mm (4.5 in) in June, although both months experience rain on approximately 14 days. Humidity levels are slightly higher in June at 87%, compared to April's 81%. For more insights, you can explore the detailed weather patterns in Biei weather in June.
April and July significantly differ in weather conditions. In April, temperatures range from a chilly -9°C (16°F) at night to a moderate 20°C (69°F) during the day, with an average temperature of 4°C (40°F). The month sees around 84 mm (3.3 in) of precipitation over 14 days, accompanied by a humidity level of 81%.
In contrast, July offers much warmer temperatures, with a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum of 30°C (86°F). Precipitation increases to 123 mm (4.8 in) over 13 days, and humidity rises to 93%. For more details on July weather, visit Biei weather in July.
April and August present distinctly different weather patterns, showcasing the transition from early spring to the height of summer. In April, temperatures range from a chilly -9°C (16°F) to a pleasant max of 20°C (69°F), with an average of 4°C (40°F). The month sees about 84 mm (3.3 in) of precipitation over 14 days and a humidity level of 81%, contributing to a moist but cool atmosphere.
In contrast, August experiences much warmer temperatures, with a minimum of 8°C (46°F) and a maximum soaring to 31°C (88°F), resulting in an average of 19°C (67°F). This month is notably wetter, with 181 mm (7.1 in) of rainfall across 16 days and a striking humidity level of 95%, creating a tropical feel. For more detailed information, you can refer to Biei weather in August.
April and September present distinct contrasts in weather conditions. In April, temperatures range from a chilly minimum of -9°C (16°F) to a mild maximum of 20°C (69°F), with an average temperature of 4°C (40°F). The month sees approximately 84 mm (3.3 in) of precipitation over 14 days, accompanied by a humidity level of 81%. In contrast, September offers a more temperate climate, with minimum temperatures around 1°C (35°F) and maximums reaching 28°C (83°F), resulting in an average of 15°C (60°F). The month is slightly wetter, with 111 mm (4.4 in) of precipitation over the same number of days, and a higher humidity level of 88%. For a closer look at what September has to offer, check Biei weather in September.
April and October exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -9°C (16°F) to a comfortable maximum of 20°C (69°F), with an average of 4°C (40°F). The month typically experiences around 84 mm (3.3 in) of precipitation over 14 days, accompanied by an 81% humidity level. In contrast, October sees slightly milder conditions, with temperatures ranging from -4°C (25°F) to a warmer maximum of 23°C (73°F) and an average of 9°C (48°F). This month is wetter, with 154 mm (6.0 in) of precipitation spread over 16 days and a higher humidity of 83%. For more details on October weather, you can check Biei weather in October.
April and November present distinct weather patterns, with April generally offering milder temperatures. In April, the minimum temperature hovers around -9°C (16°F) and can reach a maximum of 20°C (69°F), resulting in an average of 4°C (40°F). In contrast, November experiences lower temperatures, with a minimum of -14°C (7°F) and a maximum of 15°C (59°F), averaging just 2°C (35°F).
Precipitation is notably higher in November, totaling 160 mm (6.3 in) across 23 days, compared to April’s 84 mm (3.3 in) over 14 days. Despite this, humidity levels are relatively similar, with April at 81% and November slightly less at 79%. This shift in weather can significantly affect daily activities and outdoor plans. For more detailed information, you can check Biei weather in November.
April and December present stark contrasts in weather conditions. In April, temperatures range from a chilly minimum of -9°C (16°F) to a pleasant maximum of 20°C (69°F), with an average of 4°C (40°F). The month experiences moderate precipitation of 84 mm (3.3 in) over 14 days, and humidity sits at a comfortable 81%. In contrast, December is markedly colder, with temperatures plunging to a minimum of -22°C (-7°F) and averaging -6°C (21°F), reaching a maximum of 12°C (53°F). This month sees increased precipitation at 132 mm (5.2 in) over 27 days and slightly lower humidity at 80%. For a closer look at December's climate specifics, you can visit Biei weather in December.
As April unfolds in Biei, the transition from winter to spring becomes palpable, bringing a refreshing shift in weather patterns. Unlike the frigid months preceding it, April showcases more moderate temperatures, inviting the first signs of blooming flora. However, with an average humidity level of 81%, the air carries a crispness that complements the 84 mm of precipitation spread over roughly half of the month. While still experiencing chilly nights, the days are marked by a gentle warmth that begins to awaken the stunning scenery for which Biei is renowned. For a deeper understanding of how April fits into the larger weather trends of the area, visit Biei Climate.