Last updated: August 21, 2025
In April, Hakuba, Japan, experiences a dynamic shift in weather, where the maximum temperature can reach up to 23°C (73°F), providing a pleasant contrast to the cooler average of 6°C (43°F). However, visitors should prepare for chilly nights, with temperatures dipping as low as -8°C (18°F). This month is marked by significant precipitation, accumulating around 214 mm (8.4 in) over approximately 18 days, contributing to the region's lush landscapes. The high humidity levels at 78% create a distinctive atmosphere, making Hakuba a unique destination for adventurers and nature lovers alike.
As April unfolds in Hakuba, Japan, the temperatures begin to gently rise, marking the transition from winter's chill to spring's warmth. With a minimum temperature of -8°C (18°F) and an average hovering around 6°C (43°F), the region thaws out of its frosty grip, inviting outdoor enthusiasts to explore its vibrant landscapes. The maximum temperature can reach a pleasant 23°C (73°F), perfect for enjoying the blooming scenery. This month not only showcases a significant leap from the snow-laden depths of winter but also provides a delightful mix of crisp mornings and milder afternoons, heralding the arrival of spring and the recreational opportunities it brings.
April in Hakuba, Japan, ushers in a significant amount of precipitation, totaling 214 mm (8.4 in), which is slightly lower than the winter months but remains substantial. With 18 days of rain, it marks a transition as the region moves into spring, paving the way for vibrant blooms and lush landscapes. Notably, the precipitation levels in April are consistent with the gradual decline seen from March's 195 mm (7.7 in), illustrating a subtle shift as the seasons change. This trend continues into May, where precipitation increases again to 234 mm (9.2 in), signaling the onset of heavier rains in anticipation of summer. Overall, April serves as a crucial month where winter's lingering moisture blends with the spring’s revival, creating a dynamic weather pattern in Hakuba.
In April, the humidity in Hakuba, Japan, dips to 78%, marking a noticeable decline from the higher levels seen in the winter months. This reduction signifies the transition from the cold season, where humidity peaks at 88% in January, gradually decreasing through the spring. As April unfolds, residents and visitors alike can enjoy a breather before the humidity starts to rise again in May, reverting to 81%. The trend showcases a distinct seasonal shift that not only influences the climate but also sets the stage for the lush landscapes that will flourish as spring progresses into summer.
In April, Hakuba experiences a significant increase in the UV Index, reaching a notable 10 in the very high exposure category. This marks a continuation of the upward trend seen since February, where the UV levels escalated from a moderate 4 to a staggering 9 in March. With a burn time of just 15 minutes, outdoor enthusiasts in April should take extra precautions, as the intensity of the sun’s rays can quickly lead to skin damage. As May approaches, the situation intensifies, with the UV Index expected to peak at 11, categorized as extreme, suggesting that sun safety measures are crucial. For detailed information on UV exposure in Hakuba throughout the year, visit the Hakuba UV Index.
UV Risk Categories
As April unfolds in Hakuba, Japan, the region basks in 273 hours of sunshine, a delightful increase from the 257 hours enjoyed in March. This upward trend continues into May, where longer days bring even more warmth and light, reaching 297 hours of sunshine. The rise from the earlier months is quite remarkable; starting with 140 hours in January, the sunshine hours grow steadily, culminating in a picture-perfect spring. This abundance of sunlight not only invites outdoor enthusiasts to explore the stunning landscapes but also heralds the vibrant colors of blooming nature, making Hakuba an ideal destination during this enchanting season.
As spring unfolds in Hakuba, Japan, the likelihood of sunny weather notably increases, with April boasting a delightful 44% chance of sunshine. This marks a significant rise from the 32% observed in both February and March, signaling a transition from the winter chill to more inviting spring days. Following April, the chance of sun unfortunately dips again in May to 23%, creating a brief interlude of cloudier weather as the region prepares for the wet months ahead. The upward trend in sunshine during April not only enhances the beauty of the landscape but also offers an ideal backdrop for outdoor activities, making it a perfect time for visitors to embrace the vibrant hues of spring in this picturesque alpine town.
As April arrives in Hakuba, Japan, the days grow noticeably longer, with daylight extending to 13 hours—a substantial increase from the 11 hours in March. This transition marks a significant shift as the region emerges from the shorter, darker days of winter. The lengthening days not only invite residents and visitors alike to enjoy more outdoor activities but also signal the onset of spring, with nature reawakening in vibrant hues. Following the upward trend, May offers even more sunlight at 14 hours, setting the scene for the lush beauty of the season. This gradual increase from the depths of winter showcases Hakuba's dynamic seasonal rhythm, where each month brings more light and life to the landscape.
In April, the winds in Hakuba, Japan, provide a gentle embrace, with an average speed of 1.9 m/s (4 mph)—a continuation of the mild breeze felt in the preceding month. As winter gives way to spring, the wind tends to calm down from its peak during the colder months, which see average speeds reaching 2.3 m/s (5 mph) in February and 2.2 m/s (5 mph) in December. Interestingly, the wind speeds in April align closely with those in May, highlighting a serene transition into the lush, vibrant landscape of spring. This gentle airflow complements Hakuba’s stunning natural beauty, offering outdoor enthusiasts and nature lovers alike a perfect backdrop to soak in the awakening scenery as the region prepares for the warmer months ahead.
Weather in Hakuba varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hakuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present notably different weather patterns in Hakuba. In April, temperatures range from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), with an average of 6°C (43°F). This month experiences around 214 mm (8.4 in) of precipitation over 18 days, and humidity levels sit at 78%. In contrast, January is much colder, with temperatures varying from a minimum of -13°C (10°F) to a maximum of 7°C (45°F), averaging -4°C (25°F). Although January has similar precipitation at 216 mm (8.5 in) spread over 22 days, it is characterized by much higher humidity at 88%. For more detailed insights on January weather, visit Hakuba weather in January.
April weather in Hakuba showcases a significant transition as temperatures begin to rise, with minimums around -8°C (18°F) and maximums reaching up to 23°C (73°F), resulting in an average of 6°C (43°F). In contrast, February is much colder, with minimum temperatures dipping to -15°C (6°F) and maximums only reaching 10°C (50°F), averaging -4°C (26°F). Both months experience considerable precipitation, with April seeing 214 mm (8.4 in) over 18 days, while February records 206 mm (8.1 in) across 21 days. Additionally, February tends to be more humid, with a humidity level of 86%, compared to April's 78%. For a more detailed look at February weather specifics, check out Hakuba weather in February.
April weather in Hakuba is generally milder than in March, with an average temperature rising to 6°C (43°F) compared to March's average of 1°C (34°F). The minimum temperatures in April are slightly warmer as well, ranging from -8°C (18°F) to -10°C (14°F) in March. Furthermore, April experiences a higher maximum temperature of 23°C (73°F), significantly warmer than March’s peak of 14°C (58°F). While April sees slightly more precipitation at 214 mm (8.4 in) over 18 days compared to March’s 195 mm (7.7 in) over 19 days, the humidity remains relatively high in both months, at 78% in April and 81% in March. To learn more about March weather specifics, check out Hakuba weather in March.
When comparing the weather in April and May, we can see a noticeable shift in temperature and precipitation patterns. April experiences a wider temperature range, with a minimum of -8°C (18°F) and a maximum of 23°C (73°F), giving it an average temperature of 6°C (43°F). In contrast, May enjoys milder conditions, featuring a minimum of 0°C (32°F) and a maximum of 26°C (79°F), leading to a more pleasant average of 13°C (56°F).
However, both months see considerable rainfall, with April recording 214 mm (8.4 in) over 18 days, and May slightly higher at 234 mm (9.2 in) across 19 days. Humidity levels are also marginally elevated in May at 81% compared to April's 78%. For those planning to visit during this period, further details can be found at Hakuba weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average of 6°C (43°F). The month sees significant precipitation of 214 mm (8.4 in) across 18 days, accompanied by a humidity level of 78%. In contrast, June experiences milder temperatures, with a minimum of 6°C (43°F) and a maximum of 25°C (77°F), leading to a more comfortable average of 16°C (62°F). However, it also has higher rainfall, totaling 270 mm (10.6 in) over 20 days, and an increased humidity of 88%. For a more detailed look at what to expect, visit Hakuba weather in June.
April and July present contrasting weather conditions. In April, temperatures range from a chilly -8°C (18°F) at night to a mild maximum of 23°C (73°F) during the day, with an average of 6°C (43°F). Precipitation is notable, with 214 mm (8.4 in) of rain falling over 18 days, coupled with a humidity level of 78%. In stark contrast, July boasts much warmer weather, with minimum temperatures starting at 14°C (58°F) and maxing out at 30°C (87°F), averaging around 21°C (70°F). This month is also quite wet, receiving 510 mm (20.1 in) of rain over 26 days and higher humidity at 92%. For more insights about July weather, check out Hakuba weather in July.
April and August exhibit strikingly different weather conditions. In April, temperatures fluctuate from a chilly minimum of -8°C (18°F) to a mild maximum of 23°C (73°F), with an average temperature of 6°C (43°F). The month experiences considerable precipitation, totaling 214 mm (8.4 in) over 18 days, accompanied by a humidity level of 78%. In contrast, August brings warmer temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 30°C (87°F), with an average temperature of 23°C (73°F). This month also sees increased precipitation, reaching 355 mm (14.0 in) over 25 days, alongside higher humidity at 92%. For a closer look at the weather details for August, you can check Hakuba weather in August.
April and September present contrasting weather patterns. In April, temperatures range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average of 6°C (43°F). The month sees significant precipitation, totaling 214 mm (8.4 in) over 18 days, accompanied by a humidity level of 78%. In contrast, September experiences milder temperatures, with a minimum of 8°C (46°F) and a maximum of 29°C (85°F), averaging around 18°C (65°F). However, it also brings increased rainfall, accumulating 324 mm (12.7 in) over 22 days and higher humidity at 89%. For a detailed look at September's weather in Hakuba, check out Hakuba weather in September. Overall, the transition from April to September highlights a shift from brisk spring conditions to the warm, albeit wet, onset of autumn.
In comparing the weather of April and October, both months present a wide range of temperatures, but with notable differences. April experiences cooler temperatures, with a minimum of -8°C (18°F) and an average of 6°C (43°F), while October offers milder conditions, ranging from a minimum of 2°C (37°F) to an average of 12°C (55°F). Precipitation is significant in both months, with April receiving 214 mm (8.4 in) over 18 days and October seeing even more, with 283 mm (11.1 in) across 20 days. Additionally, October has a slightly higher humidity level at 87%, compared to April's 78%. For more detailed information, check out Hakuba weather in October.
April and November showcase similar average temperatures, hovering around 6°C (43°F), but their minimum and maximum temperatures differ slightly. April experiences a wider temperature range with a minimum of -8°C (18°F) and a maximum of 23°C (73°F), while November's temperatures are a bit cooler, ranging from -9°C (17°F) to a maximum of 19°C (67°F). In terms of precipitation, April is wetter with 214 mm (8.4 in) falling over 18 days, compared to November's 158 mm (6.2 in) across 17 days. The humidity is also higher in November at 85%, compared to April's 78%. For more information, you can check out Hakuba weather in November.
April and December offer distinct weather experiences, with April showcasing a range of temperatures from a chilly -8°C (18°F) at its lowest to a pleasant 23°C (73°F) at its peak, averaging around 6°C (43°F). The month sees a fair amount of precipitation, totaling 214 mm (8.4 in) over 18 days, accompanied by a humidity level of 78%. In contrast, December presents a colder climate, with minimum temperatures dipping to -12°C (11°F) and a maximum of 16°C (61°F), averaging -1°C (30°F). Precipitation in December is slightly higher at 237 mm (9.3 in) over 23 days, and the humidity increases to 86%. For more details on what to expect in December, check out Hakuba weather in December.
As April arrives in Hakuba, its weather marks a noticeable transition from the winter chill to the budding warmth of spring. With maximum temperatures reaching a pleasant 23°C, the landscapes begin to awaken, although the average remains around a crisp 6°C. This month also sees a shift in precipitation, with roughly 18 days of rain contributing to a total of 214 mm—a reminder that the region still experiences significant spring showers. The humidity levels hover around 78%, adding to the freshness in the air. Compared to the colder and drier winter months, April presents a dynamic blend of milder temperatures, increased rainfall, and an invigorating spring atmosphere. For more details on the weather nuances throughout the year, check out Hakuba Climate.