Last updated: August 21, 2025
May in Mashiko, Japan brings a vibrant transition into spring, characterized by a maximum temperature reaching 34°C (93°F), while the average temperature settles around a comfortable 19°C (66°F). However, cool nights can dip to a minimum of 5°C (41°F), creating a diverse range of experiences throughout the day. Rainfall is significant this month, with an average precipitation amount of 124 mm (4.9 in) over approximately 12 rainy days, contributing to the region’s lush greenery. Additionally, humidity levels hover around a notable 81%, making the air feel warm and moist. This combination of warmth and occasional rain makes May a dynamic month in Mashiko, perfect for enjoying the outdoors amid the blooming landscapes.
In May, Mashiko, Japan, experiences a delightful transition into summer, characterized by mild temperatures that invite outdoor exploration. The month begins with a minimum temperature of 5°C (41°F) and reaches a pleasant average of 19°C (66°F) by day, with peak temperatures soaring to a maximum of 34°C (93°F). This significant increase in warmth from the preceding months is evident, as April's highs barely reach 29°C (84°F). As May unfolds, the days grow longer and brighter, providing an ideal backdrop for enjoying the town's renowned ceramics and lush landscapes. With temperatures steadily rising, it becomes clear that May is the perfect time to embrace the vibrant outdoor life of Mashiko while basking in the beauty of its spring bloom.
In Mashiko, Japan, May stands out as a month of significant rainfall, with an average precipitation of 124 mm (4.9 in) over approximately 12 days. This pattern marks a continuation of the relatively wet conditions seen in April, where 115 mm (4.5 in) fell, setting the stage for a lush late spring. As temperatures rise in preparation for summer, the consistency of rainfall in May not only helps replenish local water sources but also nourishes the vibrant greenery characteristic of this beautiful region. Following May, June sees an uptick in precipitation, with 132 mm (5.2 in) expected, indicating that the approach of summer brings further moisture. This trend highlights Mashiko's transition into its wetter months, reinforcing the area's reputation for a lush, scenic landscape during this time of year.
In Mashiko, Japan, May brings a humidity level of 81%, stabilizing slightly after the drier conditions of April at 78%. This month marks a transitional phase, as the region prepares for the hotter, more humid summer ahead. The pattern of increasing humidity is clear, beginning with the chilly heights of 88% in January, and gradually decreasing to a spring low before climbing back up in June to 88% again. As we look towards the summer months, Mashiko experiences a significant rise, with humidity peaking at an impressive 92% in both July and August. Overall, May's humidity signifies a balance before the lush greenery of summer envelops the area, making it a comfortable yet slightly sticky time in this beautiful part of Japan.
As May arrives in Mashiko, Japan, the UV Index peaks at 10, marking it as a month of very high exposure with a burn time of just 15 minutes. This surge in UV radiation follows a trend from April's already heightened index of 9, signaling that outdoor enthusiasts should take extra precautions as summer approaches. Interestingly, after a cold winter and milder spring reflected in lower indices, the transition to warmer months brings a sharp increase in potential sunburn risks. With June maintaining the same intensity, it's crucial to stay informed and protected during this time of heightened UV activity. For more details on the UV Index throughout the year, visit Mashiko UV Index.
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May in Mashiko, Japan, shines brightly with 274 hours of sunlight, marking it as one of the sunniest months of the year. Following the steady climb from 188 hours in January to 270 hours in April, May showcases a delightful peak in sunshine hours, creating an inviting atmosphere for outdoor activities and local festivities. This trend of increasing daylight continues to fade as summer approaches, with June seeing a slight decrease to 253 hours. Overall, May serves as a vibrant reminder of the transitional beauty in Mashiko, capturing the essence of spring before the warmer months settle in.
As spring transitions into summer, May in Mashiko, Japan, presents a notable dip in sunny weather, with a chances of sun plummeting to just 22%. This decrease follows a somewhat unpredictable April, where the likelihood of clear skies is 48%. As we track the sunshine trends across the year, it's clear that the peak months—January and February—offer more than half the time basking in sunlight, while the summer months struggle to maintain that brightness, with July and August hovering around 25-27%. This pattern indicates that while early spring might bring some sunny days, May tends to be less reliable, making it essential to keep an umbrella handy during this transitional period.
In Mashiko, Japan, the progression of daylight hours throughout the year reveals a delightful transition as the seasons change. Starting with 9 hours in January, the daylight begins to steadily increase, reaching 14 hours by May – a peak that signifies the height of spring's bloom. This trend continues into June and July, where the days remain equally generous with light. As summer wanes, daylight gradually tapers off, bringing 13 hours in August, and then descending to 12 hours in September. The months following see a gentle retreat to 11 hours in October, and then back to 10 hours in November and 9 hours in December. This annual cycle not only reflects the rhythms of nature but also invites residents and visitors alike to savor the vibrant outdoor experiences that the longer daylight hours of spring and summer offer.
In May, Mashiko experiences a gentle breeze, with an average wind speed of 2.2 m/s (5 mph), providing a pleasant environment that perfectly complements the blooming landscape. While the wind is slightly lower compared to the preceding months of March and April, it maintains a consistent flow that adds to the charm of springtime in this picturesque Japanese town. The transition into summer sees a notable drop in wind speeds, with the average in June falling to 1.9 m/s (4 mph), signaling the onset of warmer, more tranquil days ahead. This pattern reflects the seasonal shift, where may's mild winds serve as a gentle reminder of nature’s cyclical beauty. Overall, May's delightful breezes are a highlight before the stillness of summer settles in.
Weather in Mashiko varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mashiko, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present striking contrasts in weather. In May, temperatures range from a comfortable minimum of 5°C (41°F) to a warm maximum of 34°C (93°F), with an average of 19°C (66°F). This month sees significant precipitation, with 124 mm (4.9 in) falling over 12 days, and humidity levels at 81%. In contrast, January experiences much colder conditions, with temperatures fluctuating between a brisk minimum of -12°C (10°F) and a maximum of 17°C (62°F), leading to an average of just 4°C (39°F). Precipitation is sparse in January, totaling 35 mm (1.4 in) over just 5 days, accompanied by high humidity at 88%. For more insights, you can explore the Mashiko weather in January.
May and February present contrasting weather patterns. In February, temperatures range from a chilly -5°C (23°F) to a mild 21°C (70°F), with an average of around 5°C (41°F). The month experiences lower precipitation, totaling 38 mm (1.5 in) over about six days, along with relatively high humidity at 86%. In contrast, May brings a much warmer climate, with temperatures ranging from a cool 5°C (41°F) to a scorching max of 34°C (93°F), and an average temperature of 19°C (66°F). Although May sees a higher overall precipitation total of 124 mm (4.9 in) across 12 days, the warmth and extended daylight hours make it feel more vibrant compared to the cooler, drier February. For more details about February's weather, you can check Mashiko weather in February.
Comparing the weather in March and May reveals notable differences in temperature and overall climate conditions. March experiences cooler temperatures, with a minimum of -4°C (24°F) and an average of 9°C (49°F), while May brings much warmer weather, with a minimum of 5°C (41°F) and an average of 19°C (66°F). Both months have similar levels of precipitation, around 125 mm, falling on approximately 11 to 12 days, and humidity remains constant at 81%. For more specific details about March weather, you can check Mashiko weather in March. Overall, May offers a more temperate and pleasant climate compared to the chill of March.
In comparing the weather between April and May, we see a significant warming trend as spring progresses. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 29°C (84°F), with an average of 13°C (56°F). Contrastingly, May showcases a broader temperature spectrum, with a minimum of 5°C (41°F) and a maximum soaring to 34°C (93°F), resulting in a much higher average of 19°C (66°F). While both months experience similar levels of precipitation—with April having 115 mm (4.5 in) over 11 days and May slightly higher at 124 mm (4.9 in) over 12 days—the humidity in May is notably higher at 81%, compared to 78% in April. For more specific details on April weather, you can check Mashiko weather in April.
In comparing the weather of May and June, we see a noticeable increase in both minimum and average temperatures, with May experiencing a minimum of 5°C (41°F) and an average of 19°C (66°F), while June has a minimum of 12°C (53°F) and an average of 22°C (71°F). The maximum temperatures in both months are quite similar, with May reaching up to 34°C (93°F) and June slightly cooler at 33°C (92°F). Precipitation increases slightly from May to June, with 124 mm (4.9 in) over 12 days in May compared to 132 mm (5.2 in) over 15 days in June. Additionally, humidity levels rise from 81% in May to 88% in June, making the latter month feel more muggy. For a detailed look at June’s weather in specific locations, check out Mashiko weather in June.
May and July present distinctly different weather patterns. In May, temperatures range from a cool minimum of 5°C (41°F) to a warm average of 19°C (66°F), peaking at 34°C (93°F). The month sees about 124 mm (4.9 in) of precipitation over 12 days, with humidity levels around 81%. In contrast, July experiences significantly warmer temperatures, with a minimum of 18°C (64°F) and an average of 25°C (78°F). The maximum can reach up to 37°C (98°F), and the month is much wetter, with approximately 219 mm (8.6 in) of rainfall over 20 days and higher humidity at 92%. This shift in climate makes July feel much more sultry and humid. For more detailed insights, check Mashiko weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a cool 5°C (41°F) at night to a warm 34°C (93°F) during the day, averaging around 19°C (66°F). The month experiences 124 mm (4.9 in) of rainfall over approximately 12 days, with humidity levels at 81%. In contrast, August sees significantly warmer temperatures, with a minimum of 15°C (60°F) and a maximum soaring to 36°C (98°F), resulting in an average temperature of 27°C (81°F). Rainfall increases slightly to 136 mm (5.4 in) over 16 days, alongside a rise in humidity to 92%. For a detailed look at the weather specifics, you can check Mashiko weather in August.
In May, temperatures range from a cool 5°C (41°F) to a warm 34°C (93°F), with an average of 19°C (66°F). The month experiences about 124 mm (4.9 in) of precipitation over approximately 12 days and features a humidity level of 81%. In contrast, September offers a milder temperature range, starting at 11°C (53°F) and peaking at 34°C (94°F), with an average temperature of 23°C (73°F). With 153 mm (6.0 in) of rain spread over 17 days and a higher humidity of 89%, September tends to feel slightly wetter and more humid than May. For more details, check Mashiko weather in September.
In May, temperatures typically range from a cool 5°C (41°F) to a warm 34°C (93°F), with an average of 19°C (66°F). The month sees about 124 mm (4.9 in) of precipitation over approximately 12 days, with humidity hovering around 81%. In contrast, October experiences slightly cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 32°C (89°F), averaging 17°C (64°F). This month is wetter, receiving 210 mm (8.3 in) of rain over 13 days, and has a higher humidity level at 87%. For a detailed look at Mashiko's climate, you can check Mashiko weather in October.
May and November present contrasting weather patterns. In May, temperatures range between a minimum of 5°C (41°F) and a maximum of 34°C (93°F), with an average of 19°C (66°F). The month experiences higher precipitation at 124 mm (4.9 in) over 12 days, accompanied by humidity levels around 81%. In contrast, November showcases cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 23°C (74°F), averaging 12°C (53°F). Precipitation is significantly lower at 56 mm (2.2 in) over just 6 days, and humidity increases slightly to 85%. For more details on November weather in Mashiko, check out Mashiko weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a warm average of 19°C (66°F), with highs reaching up to 34°C (93°F). This month also experiences significant precipitation, with about 124 mm (4.9 in) falling over approximately 12 days, along with a humidity level of 81%. In contrast, December sees much cooler temperatures, with a minimum of -3°C (27°F) and an average of 6°C (43°F), peaking at 19°C (67°F). The month is notably drier, recording just 48 mm (1.9 in) of rain over about 6 days, alongside a slightly higher humidity of 86%. For further details on December weather, you can refer to Mashiko weather in December.
As May unfolds in Mashiko, the region experiences a delightful transition, showcasing a blend of warmth and freshness. With temperatures peaking at a balmy 34°C, the days are noticeably warmer than the preceding months, encouraging outdoor activities and exploration. However, the average temperature sits comfortably at 19°C, making it an inviting time to enjoy nature's beauty. Rainfall is prevalent as well, with 12 days of precipitation bringing a total of 124 mm, contributing to the lush greenery. The humidity level, at 81%, adds a certain muggy charm to the air. This unique combination of warmth and moisture sets May apart from the cooler, drier months, creating a vibrant atmosphere. For a deeper dive into what to expect weather-wise, check out Mashiko Climate.