Last updated: August 21, 2025
In May, Hakuba, Japan, welcomes a refreshing transition as temperatures range from a delightful maximum of 26°C (79°F) to a brisk minimum of 0°C (32°F), with an average hovering around 13°C (56°F). This month marks a significant period for spring activities, despite the high humidity levels of 81% and 19 days of precipitation, contributing to a total of 234 mm (9.2 in) of rainfall. Visitors can enjoy the vibrant natural scenery while being prepared for the occasional rain, making May a captivating yet unpredictable time to experience the beauty of Hakuba.
In May, Hakuba, Japan, experiences a delightful transition into spring, showcasing a significant rise in temperatures. The month begins with minimums around 0°C (32°F), gradually climbing to an enticing average of 13°C (56°F), and peaking at a warm 26°C (79°F). This marked increase from the cooler temperatures of previous months reflects a blossoming landscape, inviting outdoor enthusiasts to explore the region’s stunning natural beauty. With a gentle shift from chilly to pleasantly warm, May is an ideal time for visitors to engage in hiking, cycling, and enjoying the vibrant scenery that Hakuba has to offer.
In May, Hakuba experiences a notable surge in precipitation, with 234 mm (9.2 in) of rainfall recorded over 19 days. This increase reflects a shift into the wetter season, as the region transitions from spring to early summer. The higher rainfall in May, compared to the preceding months, signifies burgeoning growth in the lush alpine vegetation, invigorating the breathtaking landscapes that the area is known for. As summer approaches, Hakuba's climate continues to present challenges, with an uptick in precipitation, paving the way for the hefty rainfall that follows in June and July. Visitors can expect both the charm of fresh blossoms and the refreshing coolness that comes with these spring showers.
In Hakuba, Japan, May experiences a humidity level of 81%, representing a slight increase from the drier spring months of April. This trend indicates a shift as the region transitions into the warmer months. Notably, May’s humidity is consistent with the levels seen in March, suggesting a stable atmosphere just before the peak summer humidity takes hold. The following months see a steep rise, with June and July soaring to 88% and 92%, respectively. As one navigates through the year in Hakuba, it becomes clear that while May offers a mild respite, the approach of summer brings a more humid climate that peaks in the heart of July and August.
As May rolls into Hakuba, Japan, the UV Index jumps to a striking 11, marking the shift to an extreme exposure category with a rapid burn time of just 10 minutes. This trend of increasing UV intensity from January, when the Index was a manageable 4, underscores the importance of sun safety as spring transitions into summer. The rising UV levels, peaking in May and continuing into June, mean that outdoor enthusiasts should take extra precautions to protect their skin. With such significant UV radiation, it’s crucial to be vigilant about sun protection to enjoy Hakuba's stunning landscapes without the risk of sunburn. For more insights, visit Hakuba UV Index.
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As May approaches in Hakuba, Japan, the sun shines brighter than in any previous month, offering 297 hours of glorious daylight. This surge in sunlight follows a steady increase from the winter months, where January's 140 hours gradually escalated to 273 hours by April. May's radiant days mark a peak in sunshine, enticing both outdoor enthusiasts and nature lovers to revel in the blossoming scenery. Following the vibrant month, June sees a slight dip to 284 hours, yet the summer remains captivating with August providing nearly as many sun hours as May. This seasonal rhythm not only sets the stage for summer adventures but also illustrates Hakuba's captivating transition from winter's chill to the warmth of summer sun.
In Hakuba, Japan, the likelihood of sunny weather in May presents a somewhat mixed picture. Although April showcases a promising 44% chance of sunshine, May experiences a noticeable dip, with only 23% of the month likely to be bright and sunny. This decline is consistent with a general trend observed from January to June, where sunny days are less frequent as the months transition into the wetter season. Interestingly, while June follows with a similar 21% chance of clear skies, May often symbolizes the tail end of spring, where weather can still be unpredictable. As residents and visitors look forward to outdoor activities, it's important to prepare for moments of both sun and shade during this transitional month.
As spring unfolds in Hakuba, Japan, the increase in daylight is unmistakable. May marks a significant transition, with daylight duration stretching to a delightful 14 hours. This is a continuation of the upward trend observed since April, when days began to lengthen noticeably. Following this peak in May, daylight remains consistent at 14 hours into June and July. However, as summer wanes, the gradual reduction in daylight becomes apparent, with hours decreasing steadily until winter returns. This natural rhythm not only enhances outdoor activities during the warmer months but also invites residents and visitors alike to embrace the beauty of each season in Hakuba.
In May, the winds in Hakuba, Japan maintain a gentle but steady rhythm, with an average speed of 1.9 m/s (4 mph). This consistency mirrors the slightly higher winds of earlier months, such as February and December, which peak at 2.3 m/s (5 mph). As spring takes hold, the breezes soften from the winter chill, suggesting a tranquil transition into warmer weather. Unlike the persistent gusts of earlier months, May's winds prepare the region for summer's approach, offering a refreshing calm that enhances the breathtaking natural scenery. The trend indicates a gradual decline in wind speed as summer approaches, making May an ideal time for outdoor activities while enjoying the mild, serene conditions of the Japanese Alps.
Weather in Hakuba varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hakuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures range from a chilly 0°C (32°F) to a warm 26°C (79°F), with an average of 13°C (56°F), making it a month of significant warmth and daily comfort. However, it also sees considerable precipitation, totaling 234 mm (9.2 in) over about 19 days, and humidity levels remain high at 81%. In contrast, January presents a starkly different scene, with much colder temperatures that can dip as low as -13°C (10°F) and only peak at 7°C (45°F), averaging -4°C (25°F). While January’s precipitation is slightly less at 216 mm (8.5 in) over 22 days, the humidity is even higher at 88%. For a detailed look at January weather, check out Hakuba weather in January.
May and February present quite a stark contrast in weather conditions. In May, temperatures range from a chilly 0°C (32°F) to a warm 26°C (79°F), with an average of 13°C (56°F), while February sees much colder temperatures, fluctuating from a minimum of -15°C (6°F) to a maximum of 10°C (50°F), averaging at -4°C (26°F). Precipitation levels are relatively high in both months, with May experiencing 234 mm (9.2 in) over 19 days, compared to February's 206 mm (8.1 in) over 21 days. Humidity is also slightly higher in February at 86%, compared to May's 81%. For more detailed information, you can check the Hakuba weather in February.
May and March present a distinct contrast in weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a comfortable high of 26°C (79°F) during the day, with an average of 13°C (56°F). In contrast, March experiences much colder temperatures, with nighttime lows reaching -10°C (14°F) and daytime highs only peaking at 14°C (58°F), averaging around 1°C (34°F). While both months see precipitation on approximately 19 days, May tends to be wetter with 234 mm (9.2 in) of rainfall compared to March's 195 mm (7.7 in). Notably, the humidity remains constant at 81% for both months, creating a damp atmosphere regardless of the temperature. For more detailed insights into March weather, check this link: Hakuba weather in March.
In comparing the weather between April and May, May tends to be noticeably warmer, with average temperatures rising from April's 6°C (43°F) to 13°C (56°F). The maximum temperatures also see an increase, peaking at 26°C (79°F) in May compared to April's maximum of 23°C (73°F). Precipitation is slightly higher in May, totaling 234 mm (9.2 in) over 19 days, up from April's 214 mm (8.4 in) over 18 days. Humidity levels are slightly elevated in May at 81%, compared to 78% in April. For more detailed information on April weather, you can visit Hakuba weather in April.
May and June exhibit a gradual transition in weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 26°C (79°F) during the day, with an average temperature of 13°C (56°F). The month is characterized by significant rainfall, totaling 234 mm (9.2 in) over 19 days, and humidity levels averaging 81%.
In contrast, June brings warmer nights with a minimum temperature of 6°C (43°F) and a slightly higher average of 16°C (62°F). The maximum temperature is similar to May, peaking at 25°C (77°F). However, rainfall increases to 270 mm (10.6 in) spread over 20 days, contributing to higher humidity levels of 88%.
For more detailed insights into June's weather, you can visit Hakuba weather in June.
In comparing the weather between May and July, we see a notable shift in temperature and precipitation patterns. May experiences a more moderate temperature range with lows around 0°C (32°F) and highs reaching 26°C (79°F), averaging 13°C (56°F). Conversely, July benefits from warmer temperatures, with minimums around 14°C (58°F) and maximums peaking at 30°C (87°F), averaging 21°C (70°F).
However, July also brings significantly more precipitation, with 510 mm (20.1 in) over 26 days, compared to May's 234 mm (9.2 in) across 19 days. This results in higher humidity levels in July at 92%, slightly elevated from May’s 81%. For those seeking detailed insights on July weather, visit Hakuba weather in July.
May and August present contrasting weather patterns, with May featuring cooler temperatures and more moderate humidity. During May, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). However, it is also a month characterized by significant rainfall, receiving 234 mm (9.2 in) over about 19 days, and humidity levels averaging 81%. In comparison, August brings warmer temperatures, with a minimum of 12°C (53°F), an average of 23°C (73°F), and a maximum of 30°C (87°F). Despite the warmth, August is also marked by increased precipitation of 355 mm (14.0 in) spread over 25 days, coupled with higher humidity averaging 92%. For more detailed insights into August weather, you can check Hakuba weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (56°F). The month is characterized by significant rainfall, totaling 234 mm (9.2 in) over approximately 19 days, and the humidity sits at a high 81%. In contrast, September experiences a milder temperature range, with minimums of 8°C (46°F) and maximums reaching up to 29°C (85°F), averaging 18°C (65°F). However, September sees increased precipitation at 324 mm (12.7 in) spread across 22 days, alongside even higher humidity levels at 89%. For more specific insights into September weather in Hakuba, you can visit Hakuba weather in September.
May and October exhibit notable differences in weather, though they both share a similar maximum temperature of 26°C (79°F). In May, temperatures range from a minimum of 0°C (32°F) to an average of 13°C (56°F), accompanied by 234 mm (9.2 in) of precipitation over 19 days, and humidity levels at 81%. In contrast, October offers slightly cooler temperatures, with a minimum of 2°C (37°F), an average of 12°C (55°F), and increased precipitation of 283 mm (11.1 in) spread over 20 days, along with higher humidity at 87%. For more detailed insights about the weather in October, you can visit Hakuba weather in October.
May and November present distinct contrasts in weather. In May, temperatures are generally warmer, ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). This month experiences significant rainfall, totaling 234 mm (9.2 in) over 19 days, and a relatively high humidity of 81%. In contrast, November sees cooler temperatures, with a minimum of -9°C (17°F) and a maximum of 19°C (67°F), averaging 6°C (42°F). Precipitation decreases to 158 mm (6.2 in) spread over 17 days, accompanied by slightly higher humidity at 85%. For more detailed insights, you can check Hakuba weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 234 mm (9.2 in) over 19 days, and maintains a humidity level of 81%. On the other hand, December sees much colder temperatures, with a minimum of -12°C (11°F) and a maximum of 16°C (61°F), averaging -1°C (30°F). Precipitation slightly increases to 237 mm (9.3 in) over 23 days, and humidity rises to 86%. For a more detailed outlook on December weather, you can check Hakuba weather in December.
As spring blooms, May in Hakuba offers a delightful contrast to the chill of earlier months. With temperatures rising, visitors can enjoy mild days averaging around 13°C, while still experiencing the occasional dip at night. This month sees a significant increase in precipitation, making it one of the wetter times of the year, with nearly two-thirds of days seeing some rain. The elevated humidity levels add to the lush landscape, creating a vibrant backdrop for outdoor adventures. For a deeper insight into Hakuba’s weather patterns and what to expect throughout the year, be sure to check out Hakuba Climate.