May Weather in Niseko Town, Japan

Last updated: August 21, 2025

May in Niseko Town, Japan brings a delightful transition into spring, characterized by a varied temperature range where daily highs can reach a warm 29°C (84°F) while average lows hover around a crisp 2°C (35°F). With an average temperature of 11°C (53°F), the weather is pleasantly mild, appealing to both outdoor enthusiasts and nature lovers. However, be prepared for some wet days, as the region experiences about 87 mm (3.4 in) of rainfall over 12 days, contributing to the lush greenery that Niseko is famous for. Humidity levels can climb to a notable 86%, adding a refreshing touch to the vibrant landscapes. Embrace the beauty of May as Niseko awakens to the colors and scents of spring!

May Temperature in Niseko Town

In Niseko Town, Japan, May marks a delightful transition from the cold winter months to the warm embrace of spring. With temperatures starting to rise, the minimum settles around 2°C (35°F), while the average climbs to a comfortable 11°C (53°F). The days can reach a pleasant 29°C (84°F), offering idyllic conditions for outdoor activities amid breathtaking landscapes. Compared to the preceding months, May showcases a remarkable warming trend, jumping from the chill of winter with its sub-zero temperatures to an inviting spring climate. This shift not only hints at the melting snow but also sets the stage for a vibrant floral bloom, making Nakiko a picturesque destination during this time of year.

May Weather in Niseko Town: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Niseko Town, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niseko Town, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec212332415359686962513825
Data source: Temperature data for Niseko Town generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Niseko Town

In May, Niseko Town experiences a moderate precipitation level of 87 mm (3.4 inches), slightly lower than the preceding months of April and March but still indicative of the area's lush, green spring. With rain falling over just 12 days, the town’s weather offers a balanced blend of sunny intervals and refreshing showers, inviting both nature enthusiasts and adventure seekers to enjoy the vibrant landscapes. As the transition into summer begins, the precipitation starts to increase again in June, highlighting the region's characteristic wetness as the season progresses. The rainfall pattern in May reflects a continued trend of fluctuating but generally ample moisture, essential for nurturing Niseko's stunning flora and enhancing its outdoor attractions.

May Precipitation Trends in Niseko Town

The chart displays monthly precipitation patterns in Niseko Town, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Niseko Town, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64698993871129814711611511686
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Niseko Town

In Niseko Town, Japan, May experiences a notable spike in humidity, rising to 86%. This increase marks a transition as the region shifts from the relatively dry conditions of early spring—April and March both hover around 81%—into the more humid summer months. As temperatures climb, the humidity continues to gain momentum, peaking in July and August at a staggering 93% and 95%, respectively. The upward trend from April to May exemplifies the gradual warming and moisture accumulation characteristic of this picturesque town, setting the stage for the lush landscapes that flourish in the summer months ahead.

May Average Humidity in Niseko Town

This chart illustrates the average monthly humidity levels in Niseko Town, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Niseko Town is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Niseko Town

As spring transitions into summer, Niseko Town experiences a significant surge in UV radiation, with May showcasing a very high UV Index of 9, allowing only 15 minutes of unprotected sun exposure before risk increases. This trend marks a notable escalation from the moderate levels seen in the earlier months, where January and February presented UV Indexes of 2 and 3, respectively, signifying a more forgiving sun. By March and April, the UV Index rises further, reaching 6 and 7, but it is May that signals a clear shift into a period where sun protection becomes paramount. With the UV Index peaking at 10 in June through August, visitors are urged to stay vigilant and shield themselves from the sun during these peak months. For a comprehensive understanding of UV radiation in Niseko, explore the complete details at Niseko Town UV Index.

Maximum UV Index Levels in Niseko Town for May

The chart shows the monthly maximum UV Index (UVI) for Niseko Town in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Niseko Town typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236791010108632
Data source: Niseko Town May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Niseko Town

As spring transitions to summer in Niseko Town, Japan, May brings a delightful surge in sunshine, boasting an impressive 307 hours of sunlight. This peaks the seasonal trend, showing a steady increase from 135 hours in January to nearly double by May. After basking in the glow of this vibrant month, residents and visitors alike can look forward to the sunny days of July, which often hit their highest at 313 hours. Overall, the gradual ascent in daylight hours throughout the year underscores the region's enchanting shift from winter's chill to the warm embrace of summer, inviting everyone to revel in the beauty of nature.

Monthly Sunshine Duration in Niseko Town: May Highlighted

The May sunshine duration represents the total number of hours Niseko Town experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec135h192h248h288h307h298h313h289h270h236h182h167h
Data source: Niseko Town May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Niseko Town During May

In Niseko Town, Japan, May presents a notable dip in sunny weather, with a 26% chance of clear skies, slightly lower than the preceding month of April, which boasts a 41% likelihood of sunshine. This trend towards decreased sunshine is not uncommon as spring transitions into summer; however, it's worth noting that June offers a more promising 43% chance of sun. The shifts in weather throughout the year demonstrate a pattern where early spring enjoys a moderate increase in sunny days, but as summer approaches, the chances seem to fluctuate significantly. Thus, while May may not be the sunniest month, the promise of brighter days is just around the corner.

Percentage of Sunny Days in May in Niseko Town

The chart illustrates the percentage of sunny days in Niseko Town throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Niseko Town experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%25%32%41%26%43%38%27%32%35%35%30%
Data source: Niseko Town May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Niseko Town in May

In Niseko Town, Japan, the arrival of May ushers in a refreshing extension of daylight, with 14 hours illuminating the landscape each day. This marks a significant increase from both April's 13 hours and February's 10 hours, showcasing a steady trend of growing daylight as spring unfolds. Following May, the days reach their peak in June, offering 15 hours of sunshine before gradually tapering off in the summer months of July and August. As the seasons transition into fall, daylight hours slowly decrease, with November and December returning to shorter days reminiscent of the winter months. This rhythmic cycle not only enhances outdoor activities but also highlights the vibrant beauty of Niseko's natural surroundings throughout the year.

Average Daylight Hours in Niseko Town for May

The chart illustrates the variation in daylight duration in Niseko Town throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 56m13h 23m14h 37m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Niseko Town daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Niseko Town

In May, Niseko Town experiences a gentle breeze with an average wind speed of 2.5 m/s (6 mph), slightly lower than the preceding months. This slight dip follows a stable pattern observed from January to April, where wind speeds hovered around 2.6 to 3.0 m/s, creating a refreshing atmosphere as spring unfolds. As the seasons transition, the winds begin to mellow, marking the transition into summer, where speeds remain consistently low at 2.1 to 2.2 m/s in the coming months. This gradual decrease not only enhances the serene ambiance of Niseko but also complements the blooming landscape, inviting both locals and visitors to enjoy the tranquil beauty of the spring season.

Average May Wind Speed in Niseko Town

The chart displays monthly wind speed patterns in Niseko Town, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.02.62.82.5 m/s2.12.12.22.12.22.72.7
Data source: Niseko Town May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Niseko Town Compares to Other Months

Weather in Niseko Town varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Niseko Town, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present striking contrasts in weather patterns. In May, temperatures range from a chilly 2°C (35°F) to a warm 29°C (84°F), with an average of 11°C (53°F). The month also sees significant precipitation, with 87 mm (3.4 in) over about 12 days, and humidity remains high at 86%. In contrast, January is much colder, with temperatures dipping as low as -20°C (-4°F) and averaging -6°C (22°F), peaking at just 4°C (39°F). Although January receives less rainfall—64 mm (2.5 in) across 15 days—humidity is slightly lower at 84%. For more specifics, you can check Niseko Town weather in January.

May and February present starkly contrasting weather conditions. In May, temperatures range from a chilly 2°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (53°F). The month also sees about 87 mm (3.4 in) of precipitation over 12 days and a high humidity level of 86%. In contrast, February is much colder, with temperatures plummeting to a minimum of -17°C (1°F) and peaking at a mere 7°C (45°F), averaging around -5°C (23°F). Precipitation is lower at 69 mm (2.7 in), but it falls over more days—about 18. The relative humidity in February is also slightly lower at 83%. For more detailed insights about February weather, you can check Niseko Town weather in February.

In comparing the weather of May and March, it’s clear that May brings significantly milder temperatures, with a minimum of 2°C (35°F) compared to March's chilling low of -13°C (10°F). While March sees an average temperature hovering around freezing at 0°C (32°F), May enjoys a much warmer average of 11°C (53°F) and can peak at a sunny 29°C (84°F). Precipitation patterns show a similarity in the overall volume, with March receiving 89 mm (3.5 in) over 14 days, while May has slightly less at 87 mm (3.4 in) but across 12 days. Humidity levels are also higher in May at 86%, compared to March's 81%. For more detailed weather information about March, check out Niseko Town weather in March.

In comparing the weather between April and May, we see a notable shift in temperatures and conditions. May experiences a significant rise in average temperatures, ranging from a low of 2°C (35°F) to a high of 29°C (84°F), compared to April, which has a minimum of -6°C (22°F) and a maximum of 19°C (67°F). While both months see similar levels of precipitation and rainy days—87 mm (3.4 in) over 12 days in May versus 93 mm (3.7 in) over the same number of days in April—May’s higher humidity at 86% contributes to a warmer and more oppressive feel. For more details on April weather specifically, you can visit Niseko Town weather in April.

In comparing the weather of May and June, we observe some notable differences. May experiences cooler temperatures with a minimum of 2°C (35°F) and an average of 11°C (53°F), while June sees a slight increase with a minimum of 3°C (38°F) and an average of 15°C (59°F). Additionally, the maximum temperature in May reaches up to 29°C (84°F), creating a warm end to the month, whereas June's maximum temperature is more moderate at 26°C (79°F).

June also brings more precipitation, totaling 112 mm (4.4 in) over 11 days, compared to May's 87 mm (3.4 in) over 12 days, indicating that while the month is slightly wetter, it has fewer rainy days. Humidity remains high in both months, with a slight increase in June to 87%. For a detailed overview, you can check Niseko Town weather in June.

In May, the weather in Niseko Town is characterized by a significant temperature range, with minimums dipping to 2°C (35°F) and maximums rising to a pleasant 29°C (84°F). The average temperature sits at 11°C (53°F), and while there are 12 days of precipitation, the total rainfall is slightly less at 87 mm (3.4 in) with a humidity level of 86%.

In contrast, July brings warmer temperatures, with minimums rising to 11°C (51°F) and maximums reaching 31°C (89°F), resulting in an average temperature of 20°C (68°F). There is a slight increase in precipitation, totaling 97 mm (3.8 in) over 12 days, and humidity levels creep up to 93%. For more detailed insights, check out Niseko Town weather in July.

May and August exhibit notable differences in weather patterns. In May, temperatures range from a chilly 2°C (35°F) to a warm 29°C (84°F), with an average of 11°C (53°F). The month sees approximately 87 mm (3.4 in) of precipitation over about 12 days, coupled with high humidity at 86%. In contrast, August offers a more stable climate, with temperatures ranging from 8°C (47°F) to a peak of 32°C (89°F), and an average of 20°C (69°F). This month experiences increased precipitation of 147 mm (5.8 in) over 13 days and even higher humidity at 95%. For more detailed insights, you can check Niseko Town weather in August.

In May, the weather begins to warm up as temperatures range from a chilly 2°C (35°F) at night to a pleasant 29°C (84°F) during the day, with an average of 11°C (53°F). The month experiences around 87 mm (3.4 in) of precipitation over 12 days, accompanied by relatively high humidity levels at 86%. In contrast, September sees slightly cooler nights with minimum temperatures of 4°C (39°F) and a higher average temperature of 17°C (62°F). Daytime highs reach up to 28°C (83°F), and the precipitation increases to 116 mm (4.6 in) over 14 days, along with a slight uptick in humidity to 88%. For more detailed insights, you can visit Niseko Town weather in September.

May and October showcase distinct weather patterns that signal the transition of seasons. In May, temperatures range from a chilly 2°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (53°F). This month experiences about 87 mm (3.4 in) of precipitation spread over 12 days, alongside a relatively high humidity of 86%. On the other hand, October brings cooler nights with minimum temperatures of -2°C (29°F) and a slightly lower average of 10°C (51°F), while daytime highs reach up to 24°C (75°F). This month records a higher precipitation level of 115 mm (4.5 in) over 15 days and a slightly lower humidity of 83%. For a more detailed look at the October weather in this area, visit Niseko Town weather in October.

May and November present starkly different weather patterns. In May, temperatures range from a chilly 2°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (53°F). The month experiences 87 mm (3.4 in) of precipitation over about 12 days, contributing to a high humidity level of 86%. In contrast, November features colder temperatures, with nightly lows plunging to -12°C (11°F) and a daytime high of 16°C (60°F), averaging around 3°C (39°F). It also sees increased precipitation of 116 mm (4.6 in) across 20 days, but slightly lower humidity at 79%. For a closer look at the weather specifics, you can visit Niseko Town weather in November.

May and December present contrasting weather experiences, reflecting the shift from spring to winter. In May, temperatures range from a mild 2°C (35°F) to a comfortable maximum of 29°C (84°F), accompanied by significant humidity at 86%. The month sees about 87 mm (3.4 in) of precipitation spread across approximately 12 days, making it a relatively wet month. In stark contrast, December experiences much colder conditions, with temperatures plunging to a minimum of -17°C (2°F) and an average of -4°C (25°F). While precipitation remains similar at 86 mm (3.4 in), it occurs over 24 days, indicating frequent light snow or drizzle. The humidity in December is slightly lower at 80%, contributing to the crisp, cold atmosphere typical of winter. For more details on the specific weather patterns during this month, check Niseko Town weather in December.

Compare Niseko Town's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Niseko Town

May in Niseko Town serves as a vibrant transition into warmer weather, standing out with its fluctuating temperatures that can soar to a pleasant 29°C during the day, contrasting sharply with the cooler average of 11°C. As the landscape flourishes, visitors may encounter approximately 12 rainy days, contributing to the overall humidity of 86%. This month is particularly noteworthy for its blend of spring warmth and residual winter chill, creating an enchanting experience that differs significantly from the more stable, warmer summer months. For those curious about the broader climate trends, you can explore more at Niseko Town Climate.