May Weather in Minami-Alps, Japan

Last updated: August 21, 2025

In May, the Minami-Alps region of Japan experiences a dynamic array of weather, characterized by maximum temperatures reaching up to 28°C (82°F) and an average of 15°C (58°F). The month also sees a significant minimum temperature of 0°C (33°F), reflecting the transition from cooler spring to warmer summer. Rainfall is abundant, with a total precipitation of 182 mm (7.1 in) spread across 14 days, contributing to the lush green landscapes. With humidity levels hovering around 81%, the air may feel quite damp, adding to the region's serene beauty and vibrant flora during this time of year.

May Temperature in Minami-Alps

As May unfolds in the Minami-Alps, Japan, a noticeable transition occurs in the climate, with temperatures becoming more inviting after the cold winter months. The minimum temperature rises to 0°C (33°F), while the average escalates to a pleasant 15°C (58°F), suggesting a warming trend that encourages outdoor activities. Daytime highs can reach a comfortable 28°C (82°F), hinting at the arrival of early summer vibes. This month marks a significant shift from the previous colder months, showcasing a gradual awakening of nature, as vibrant flowers bloom and life flourishes in the region’s breathtaking landscapes. It's an ideal time to experience the stunning beauty of the Minami-Alps, where the warmth and sunshine create a perfect backdrop for exploration and adventure.

May Weather in Minami-Alps: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Minami-Alps, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minami-Alps, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323341495864717366564636
Data source: Temperature data for Minami-Alps generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Minami-Alps

May in the Minami-Alps marks a peak in precipitation, mirroring the trends seen in April with significant rainfall of 182 mm (7.1 in) over 14 days. This consistent moisture helps nurture the region's lush landscapes, setting the stage for the vibrant bloom of spring. Notably, May's rainfall amounts almost equal that of March and April, suggesting a pattern of sustained wet conditions leading into the summer months. As the seasons transition, June ramps up the precipitation further, indicating an impending shift to more intense rainfall, particularly in July when daily precipitation events noticeably increase. The data illustrates a distinct wet season evolving, showcasing how May serves as a crucial bridge in the Minami-Alps' climatic rhythm.

May Precipitation Trends in Minami-Alps

The chart displays monthly precipitation patterns in Minami-Alps, 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 Minami-Alps, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60761821771822184122162413457870
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Minami-Alps

May brings a noticeable shift in humidity levels in the picturesque Minami-Alps, Japan, as the figures rise to 81%. This increase marks the start of a trend that continues into the summer months, with humidity peaking at 93% in July. The transition from April’s 74% to May’s values highlights the region's gradual move into the humid, lush conditions typical of late spring. Following May, humidity remains elevated throughout the summer, revealing a consistent pattern where the lush landscapes thrive under higher moisture levels, setting the scene for vibrant flora and dynamic weather changes. As the seasons progress from the crisp air of winter to the balmy embrace of summer, the humidity in Minami-Alps exemplifies a natural ebb and flow that nourishes both the environment and local life.

May Average Humidity in Minami-Alps

This chart illustrates the average monthly humidity levels in Minami-Alps, 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 Minami-Alps is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Minami-Alps

As May unfolds in Minami-Alps, Japan, residents and visitors alike should take note of the extreme UV Index rating of 11, signaling a serious need for sun protection. This sharp rise from the previous months highlights a notable trend, as the UV levels escalate from moderate in January to very high by April, culminating in May's peak. With a burn time reduced to just 10 minutes, the urgency to shield the skin from intense sunlight cannot be overstated. As the season progresses into June and July, the UV Index remains at a punishing 12, indicating that staying vigilant against UV exposure is essential. For more insights on seasonal UV trends, visit Minami-Alps UV Index.

Maximum UV Index Levels in Minami-Alps for May

The chart shows the monthly maximum UV Index (UVI) for Minami-Alps 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 Minami-Alps typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121210764
Data source: Minami-Alps 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 Minami-Alps

In May, Minami-Alps basks in an impressive 291 hours of sunshine, a radiant highlight in the year that marks the peak of spring. As the region transitions from the chilly grip of winter, sunlight steadily increases from 194 hours in January to this vibrant month, showcasing a clear upward trend. Following May, the sunshine hours dip to 263 in June but remain abundant through the summer months, illustrating a seasonal ebb and flow of light. This flourishing sunshine not only enhances the natural beauty of Minami-Alps but also invites both locals and visitors to revel in outdoor activities, making May a truly enchanting time to experience this picturesque region.

Monthly Sunshine Duration in Minami-Alps: May Highlighted

The May sunshine duration represents the total number of hours Minami-Alps 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h239h267h278h291h263h228h284h238h216h237h237h
Data source: Minami-Alps May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Minami-Alps During May

In Minami-Alps, Japan, May marks a distinct dip in sunny weather, showcasing a meager 22% chance of sun. This trend follows a gradual decline from more promising months like January (55%) and February (61%), where the likelihood of sunshine is notably higher. By April, the chance drops a bit further to 41%, suggesting the region is transitioning into the wetter months ahead. As the year progresses into summer, both July and August hold the same likelihood of sunshine as May, indicating that sunny days remain elusive as the season brings increased humidity. This pattern underlines a typical spring in Minami-Alps, where residents and visitors alike should be prepared for cloudier and wetter days as the month unfolds.

Percentage of Sunny Days in May in Minami-Alps

The chart illustrates the percentage of sunny days in Minami-Alps 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 Minami-Alps experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%61%39%41%22%16%22%22%20%40%51%68%
Data source: Minami-Alps May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Minami-Alps in May

In Minami-Alps, Japan, daylight duration experiences a remarkable transformation throughout the year. Starting with a modest 10 hours of daylight in both January and February, the days gradually lengthen as spring arrives. By March, daylight extends to 11 hours, and as April blossoms, it reaches 13 hours. May brings a delightful peak with 14 hours of light, mirroring the sun-soaked days of June and July. However, as summer fades into early autumn, the sun begins to retreat; August sees a slight decline to 13 hours, followed by 12 hours in September. The trend continues downward into the cooler months, with daylight dwindling back to 10 hours in November and further to just 9 hours by December. This rhythmic ebb and flow of sunlight not only marks the changing seasons but also enhances the natural beauty and outdoor experiences in this enchanting region.

Average Daylight Hours in Minami-Alps for May

The chart illustrates the variation in daylight duration in Minami-Alps throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 52m11h 58m13h 5m14h 2m14h 30m14h 16m13h 26m12h 22m11h 15m10h 16m9h 46m
Data source: Minami-Alps daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Minami-Alps

In May, the winds in the enchanting Minami-Alps of Japan offer a subtle yet refreshing breeze, averaging 1.8 m/s (4 mph). This gentle wind speed is slightly higher than the preceding months of January to April, where it consistently hovered around 1.7 m/s. As the region transitions from spring to early summer, the winds begin to show a gradual decline in speed, with a noticeable drop in the subsequent months from June onwards, where it dips to 1.3 m/s (3 mph). Despite this decrease, May stands out as a moment of refreshing air, perfectly complementing the picturesque landscapes and vibrant flora, making it a delightful time to experience the natural beauty of the Minami-Alps.

Average May Wind Speed in Minami-Alps

The chart displays monthly wind speed patterns in Minami-Alps, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.91.71.71.8 m/s1.31.21.51.41.41.51.7
Data source: Minami-Alps May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Minami-Alps Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures range from a chilly 0°C (33°F) at night to a warm 28°C (82°F) during the day, with an average of 15°C (58°F). The month is characterized by higher precipitation levels, totaling 182 mm (7.1 in) over about 14 days, and a humidity level of 81%. In contrast, January sees much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 12°C (54°F), averaging around 0°C (32°F). Precipitation in January is significantly lower at 59 mm (2.3 in) across just 6 days, and humidity rests at a slightly lower 76%. For more detailed weather information, check out Minami-Alps weather in January.

In comparing the weather between May and February, a notable shift in temperatures and conditions can be observed. February experiences colder temperatures, with a minimum of -12°C (11°F) and an average of 1°C (34°F), while May brings a much milder climate, featuring a minimum temperature of 0°C (33°F) and an average of 15°C (58°F). Additionally, May sees a higher maximum temperature of 28°C (82°F) compared to February's maximum of 17°C (63°F). Precipitation levels also vary significantly; May averages 182 mm (7.1 in) over 14 days, while February has only 76 mm (3.0 in) across 9 days. Humidity is slightly higher in May at 81%, compared to 74% in February. For more detailed information, check out Minami-Alps weather in February.

In comparing the weather of May and March, May presents a generally milder climate with average temperatures rising to 15°C (58°F) and maximums reaching up to 28°C (82°F), while March remains cooler, with an average of only 5°C (42°F) and highs of 21°C (70°F). Both months experience similar levels of precipitation, with March seeing 182 mm (7.2 in) and May slightly less at 182 mm (7.1 in), distributed over approximately 14 days in each month. Additionally, May has a higher humidity level at 81%, compared to March's 70%, making March feel somewhat drier. For a detailed look at March weather patterns, you can visit Minami-Alps weather in March.

In comparing the weather of April and May, it's clear that May experiences warmer temperatures, with an average of 15°C (58°F) compared to April's 9°C (49°F). While both months have similar precipitation levels—182 mm (7.1 in) in May and 177 mm (7.0 in) in April—May has slightly higher humidity at 81%, versus April's 74%. Additionally, May tends to have more days of precipitation, occurring over 14 days compared to 15 in April, suggesting a transition towards a wetter season. For those looking to understand more about April's climate specifics, you can refer to Minami-Alps weather in April.

In May, temperatures in the Minami-Alps region range from a chilly 0°C (33°F) at night to a pleasant average of 15°C (58°F), peaking at a comfortable 28°C (82°F) during the day. The month sees significant precipitation, totaling 182 mm (7.1 in) over approximately 14 rainy days, accompanied by a humidity level of 81%. In contrast, June ushers in slightly warmer conditions, with minimum temperatures rising to 6°C (43°F) and an average temperature of 18°C (64°F), peaking at a maximum of 29°C (85°F). June is also wetter, accumulating 218 mm (8.6 in) of rain across 18 days, and experiencing increased humidity at 88%. For more detailed insights, you can check out Minami-Alps weather in June.

When comparing the weather in May and July, it's clear that July experiences warmer temperatures overall. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 28°C (82°F), with an average of 15°C (58°F). In contrast, July sees a minimum of 14°C (57°F) and a maximum of 32°C (91°F), averaging around 22°C (71°F). Additionally, July is not only warmer but also wetter, with 412 mm (16.2 in) of precipitation over 24 days compared to May's 182 mm (7.1 in) over 14 days. Humidity levels are higher as well, with July hovering at 93% compared to May's 81%. For more details on July's weather conditions, you can check out Minami-Alps weather in July.

May and August display distinct weather characteristics, reflecting the transition from spring to summer. In May, temperatures range from a chilly 0°C (33°F) at night to a pleasant 28°C (82°F) during the day, with an average of about 15°C (58°F). The month sees substantial rainfall, with 182 mm (7.1 in) spread over 14 days, and humidity levels lingering around 81%. In contrast, August experiences warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 33°C (92°F), averaging 23°C (74°F). This month also faces higher precipitation at 216 mm (8.5 in) across 21 days, coupled with increased humidity levels at 90%. For more detailed insights, refer to Minami-Alps weather in August.

May and September showcase distinct weather characteristics, reflecting the transition from spring to autumn. In May, temperatures range from a cool 0°C (33°F) at night to a comfortable 28°C (82°F) during the day, with an average of 15°C (58°F). The month sees significant rainfall, totaling 182 mm (7.1 in) across approximately 14 days, accompanied by a humidity level of 81%.

In contrast, September features milder nighttime temperatures, with a minimum of 9°C (49°F) and a higher average of 19°C (66°F), peaking at 31°C (89°F) during the day. Rainfall increases to 240 mm (9.5 in) over 21 days, resulting in slightly higher humidity at 86%. This comparison highlights how September tends to be wetter and warmer compared to May, making it a unique month for weather enthusiasts. For more specific insights into the September weather in the region, visit Minami-Alps weather in September.

In comparing the weather between May and October, we see notable differences in temperature and precipitation patterns. May typically features a minimum temperature of 0°C (33°F) and an average of 15°C (58°F), with maximums reaching 28°C (82°F). Alongside these mild conditions, it experiences about 182 mm (7.1 in) of precipitation over roughly 14 days, with humidity sitting at 81%. In contrast, October has a slightly warmer minimum temperature of 1°C (35°F) and an average of 14°C (57°F), with similar maximums of 27°C (82°F). However, it experiences significantly higher precipitation at 345 mm (13.6 in) over approximately 19 days, contributing to a marginally higher humidity of 83%. For more detailed insights, you can refer to the Minami-Alps weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a chilly 0°C (33°F) at night to a warm 28°C (82°F) during the day, with an average of 15°C (58°F). This month also sees higher precipitation levels, totalling 182 mm (7.1 in) over about 14 days, resulting in a humid environment with 81% humidity. In contrast, November experiences cooler temperatures, with nighttime lows dipping to -4°C (25°F) and daytime highs reaching 20°C (69°F), averaging around 8°C (46°F). Precipitation decreases significantly to 78 mm (3.1 in) across 11 days, and humidity remains relatively stable at 80%. For more detailed weather information for this month, check Minami-Alps weather in November.

May and December showcase stark contrasts in weather. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 28°C (82°F), with an average of 15°C (58°F), while December offers much chillier conditions, where temperatures can dip as low as -9°C (16°F) and peak at 18°C (64°F), averaging around 2°C (36°F). Additionally, May experiences significantly higher precipitation at 182 mm (7.1 in) over 14 days compared to December's 70 mm (2.8 in) over just 8 days. Humidity levels are slightly higher in May at 81%, while December maintains a lower humidity of 78%. For a detailed look at December conditions, visit Minami-Alps weather in December.

Compare Minami-Alps's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Minami-Alps

May in the Minami-Alps marks a significant transition, as the landscape bursts into vibrant greenery and flowers bloom under a mix of warmth and lingering coolness. With temperatures averaging a comfortable 15°C (58°F), you'll find yourself enjoying the mild days, contrasting sharply with the colder months. However, be prepared for occasional showers, as May sees around 182 mm of precipitation over 14 days, making it one of the wetter months of the year. This increased humidity of 81% adds to the lush, refreshing atmosphere of the region. For those planning a visit to experience this enchanting shift in weather, be sure to check out more details on the Minami-Alps Climate to make the most of your trip!