Last updated: August 21, 2025
In Nikko, Japan, May ushers in a vibrant tapestry of spring weather, with temperatures ranging from a refreshing minimum of 1°C (34°F) to a comfortable maximum of 28°C (82°F). The average temperature settles around 14°C (57°F), making it an ideal time for outdoor exploration. However, visitors should prepare for a wet month, as precipitation totals around 176 mm (6.9 in), spread over approximately 18 days. The high humidity levels at 81% can add to the lush, verdant beauty of the landscape, creating a captivating backdrop for those looking to experience the charm of Nikko in full bloom.
In May, Nikko, Japan, experiences a delightful transition into warmer weather, showcasing a marked shift from the lingering chill of earlier months. With minimum temperatures rising to a mild 1°C (34°F) and peaking at a cheerful 28°C (82°F), the average settles around a pleasant 14°C (57°F). This progression highlights the region's movement away from the cold grip of winter, promoting lush greenery and vibrant blooms. As the days lengthen and sunlight becomes more abundant, outdoor adventures beckon, making May an inviting month to explore Nikko’s breathtaking landscapes and rich cultural heritage.
In May, Nikko, Japan, experiences a noticeable surge in precipitation, with 176 mm (6.9 in) falling across 18 days, marking a significant increase from previous months. This pattern indicates the transition into the wetter season, as moisture-laden fronts begin to dominate the region. Compared to April's rainfall of 143 mm (5.6 in) over 15 days, May's conditions signal a shift towards more frequent wet days, foreshadowing the heavier downpours typical of the summer months. As a result, May not only enhances the lush greenery that surrounds Nikko but also sets the stage for the dramatic weather patterns to come in June, where precipitation peaks at 225 mm (8.8 in). The rhythm of rainfall in May becomes a vital backdrop for the vibrant landscapes, making it a picturesque time for visitors and nature alike.
In Nikko, Japan, May comes with a refreshing yet slightly humid atmosphere, recording a humidity level of 81%. This marks a subtle rise from April's 78%, signaling a transition toward the warmer months. As spring gives way to summer, humidity levels are set to climb, peaking in the sweltering months of July and August, both reaching 92%. Overall, the trend indicates that while May is relatively comfortable, it paves the way for a more humid summer, with a consistent flow of moisture that mirrors the lush beauty of Nikko's landscape during this season.
As May arrives in Nikko, Japan, the UV Index escalates to 10, indicating a very high level of solar radiation and a burn time of just 15 minutes. This marks a significant uptick from the preceding months, where the UV Index was already climbing swiftly—from 4 in January to 9 in April. The intense exposure during May signals the start of a season where sun protection becomes essential, as the increasing index continues to set the stage for the peak summer months ahead. With June bringing an extreme UV Index of 11, the trend showcases a compelling shift towards higher solar exposure that residents and visitors alike should heed. For further details on UV levels and protective measures, check out the Nikko UV Index.
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May ushers in a delightful burst of sunshine in Nikko, Japan, boasting 284 hours of radiant daylight—making it one of the sunniest months of the year. This sunny peak follows a steady ascent from January's modest 184 hours as daylight increases through the spring months. The gradual rise reaches its zenith in May, just before summer, where warmth and vibrant blooms transform the landscape. As daylight begins a slight decline into June with 271 hours, the sunshine in May stands out as a brilliant highlight of the season, inviting locals and tourists alike to enjoy the stunning natural beauty that Nikko is renowned for.
As we transition into May in Nikko, Japan, the likelihood of sunny weather experiences a notable dip, with only a 24% chance of sunshine. This decrease comes after the slightly higher probabilities in the preceding months, where April boasts a 45% chance of clear days. The trend continues into the summer months, where June sees a even more reduced likelihood at 17%. This pattern suggests that May serves as a bridge between the relatively sunnier spring and the cloudier, damp conditions of early summer, making sunny days a rare but cherished surprise by the end of the month.
In Nikko, Japan, the progression of daylight duration throughout the year reveals a captivating transition that promises the beauty of each season. Beginning in January with a modest 9 hours of daylight, the days gradually lengthen as spring approaches, reaching 11 hours by March. As April arrives, the daylight increases notably to 13 hours, paving the way for the vibrant bloom of May. With 14 hours of precious sunlight, May shines brightly, offering an abundance of time for exploration and enjoyment in lush, scenic surroundings. This daylight peak continues seamlessly into June and July, maintaining the same radiant duration. However, as summer wanes, the hours gradually decrease; August sees a slight dip to 13 hours, followed by successive declines in September and October. By winter, the cycle completes itself, returning to 9 hours. This rhythm of light not only marks the changing seasons but also enhances the rich experiences that Nikko has to offer throughout the year.
In Nikko, Japan, the month of May typically ushers in a gentle breeze, with an average wind speed of just 1.9 m/s (4 mph). This slight decrease from April's 2.3 m/s indicates a calming shift as the region transitions into summer. Following a trend observed throughout the year, May's winds are among the lightest, mirroring the overall pattern of declining winds from spring into summer. As nature blossoms, the tranquil air in Nikko enhances the serene beauty of its landscapes, inviting visitors to immerse themselves in the peaceful environment free from the heavier gusts typical of the colder months.
Weather in Nikko varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nikko, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a stark contrast in weather conditions. In May, temperatures can vary significantly, ranging from a chilly 1°C (34°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). However, May also brings considerable rainfall, accumulating to 176 mm (6.9 in) over 18 days, and a humidity level of 81%. In contrast, January is characterized by much colder temperatures, with a minimum of -12°C (11°F) and a maximum of just 9°C (49°F), averaging -2°C (29°F). Precipitation is lighter in January, totaling 55 mm (2.2 in) over 11 days, but humidity is slightly higher at 88%. For a deeper look into January's climate, you can check this link: Nikko weather in January.
May and February present contrasting weather conditions. In May, temperatures range from a chilly 1°C (34°F) to a warm 28°C (82°F), with an average of 14°C (57°F), making it a notably milder month. However, it also experiences significant rainfall, accumulating 176 mm (6.9 in) over about 18 days, and maintains a humidity level of 81%. In contrast, February is much colder, with temperatures dipping as low as -15°C (5°F) and averaging around -1°C (30°F), peaking at a maximum of 16°C (61°F). Precipitation is lighter in February, totaling 53 mm (2.1 in) across approximately 11 days, albeit with a higher humidity of 86%. For more details on February weather, check out Nikko weather in February.
In comparing the weather of May and March, it's clear that May experiences significantly warmer temperatures, with minimums around 1°C (34°F) and maximums reaching up to 28°C (82°F), compared to March's chilly lows of -11°C (13°F) and highs of 19°C (67°F). While both months share the same humidity level of 81%, May averages a higher precipitation of 176 mm (6.9 in) spread over 18 days, compared to March's 142 mm (5.6 in) over 14 days. For more detailed insights on March weather, you can check Nikko weather in March.
In comparing the weather between April and May, we notice a significant warming trend. April experiences cooler temperatures, with a minimum of -4°C (24°F) and an average of 8°C (47°F), while May sees a broader range from a chilly 1°C (34°F) to a warmer 14°C (57°F) on average, peaking at 28°C (82°F). Precipitation is also a bit higher in May, with 176 mm (6.9 in) across 18 days compared to April’s 143 mm (5.6 in) over 15 days. Moreover, while humidity remains relatively close between the two months, May is slightly more humid at 81% compared to April’s 78%. For more detailed information, visit Nikko weather in April.
May and June exhibit distinct weather patterns, reflecting the transition from spring to early summer. In May, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 28°C (82°F), with an average temperature of 14°C (57°F). This month experiences significant rainfall, with 176 mm (6.9 in) spread over 18 days and a relative humidity of 81%.
In contrast, June sees a notable increase in minimum temperature, starting at 7°C (44°F), and maintains an average temperature of 17°C (63°F), with a slightly lower maximum temperature of 27°C (81°F). However, June is characterized by even heavier rainfall, accumulating 225 mm (8.8 in) over 21 days and a higher humidity level of 88%. For a detailed look at what to expect, you can visit Nikko weather in June.
May and July present contrasting weather patterns, with May featuring cooler temperatures and considerably less humidity. In May, temperatures range from a chilly low of 1°C (34°F) to a pleasant average of 14°C (57°F), peaking at 28°C (82°F). However, it also experiences significant rainfall, amounting to 176 mm (6.9 in) over 18 days, accompanied by high humidity levels at 81%.
In contrast, July sees a significant rise in temperatures, with a minimum of 14°C (57°F) and an average of 21°C (70°F), reaching a maximum of 31°C (88°F). The month is wetter, accumulating 345 mm (13.6 in) of rain across 27 days and experiencing even higher humidity at 92%. For more detailed information, check out the Nikko weather in July.
May and August present contrasting weather patterns, reflecting the transition from spring to summer. In May, temperatures fluctuate from a chilly minimum of 1°C (34°F) to a pleasant average of 14°C (57°F), with a maximum reaching 28°C (82°F). The month experiences considerable rainfall, totaling 176 mm (6.9 in) over 18 days, with humidity averaging 81%. In contrast, August sees warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 23°C (73°F) and peaking at 32°C (89°F). Precipitation increases significantly to 273 mm (10.7 in) across 26 days, and humidity rises to 92%. For a detailed look at August weather specifics, check out Nikko weather in August.
In May, temperatures range from a brisk minimum of 1°C (34°F) to a pleasant maximum of 28°C (82°F), with an average temperature of 14°C (57°F). The month sees substantial rainfall, with 176 mm (6.9 in) over approximately 18 days, resulting in a moderate humidity level of 81%.
Conversely, September offers slightly warmer weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). However, it also experiences increased precipitation, totaling 239 mm (9.4 in) over about 25 days, contributing to a higher humidity of 89%. For a more detailed look at September's conditions, you can check Nikko weather in September.
In May, temperatures typically range from a chilly 1°C (34°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). The month sees considerable rainfall, with 176 mm (6.9 in) spread across 18 days and an average humidity of 81%. In contrast, October has slightly cooler temperatures, with a minimum of 0°C (33°F), an average of 13°C (55°F), and a maximum of 25°C (78°F). Precipitation increases to 279 mm (11.0 in) over 19 days, accompanied by higher humidity at 87%. For a closer look at October weather specifics, check Nikko weather in October.
May and November present contrasting weather patterns, with May offering a more temperate climate characterized by average temperatures ranging from 1°C (34°F) to a warm 28°C (82°F) and significant precipitation of 176 mm (6.9 in) over 18 days. This month typically enjoys higher humidity at 81%, creating a lush atmosphere as spring unfolds. In contrast, November's chill sets in, with temperatures dipping to a minimum of -4°C (25°F) and an average of 7°C (44°F), peaking at 18°C (64°F). With only 61 mm (2.4 in) of precipitation over just 7 days, November is much drier, albeit slightly more humid at 85%. To learn more about this month’s specific weather conditions, check out Nikko weather in November.
May and December offer contrasting weather experiences. In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 28°C (82°F), with an average of 14°C (57°F). The month is characterized by significant rainfall, with 176 mm (6.9 in) spread over 18 days, and humidity levels sit at 81%, making the air feel quite moist. In stark contrast, December sees much colder temperatures, with lows plunging to -11°C (12°F) and averaging just 1°C (34°F). The maximum temperature reaches only 16°C (61°F), accompanied by significantly less precipitation of 68 mm (2.7 in) across 11 days, but humidity is slightly higher at 86%. For a detailed look at the December climate, check this link: Nikko weather in December.
As spring transitions into summer, May in Nikko showcases a delightful blend of warmer temperatures and lush greenery, distinctly different from the chilliness of the preceding months. With an average temperature comfortably sitting at 14°C (57°F) and occasional peaks reaching up to 28°C (82°F), the weather invites visitors to enjoy outdoor activities. However, it's important to prepare for the frequent rainfall, as the area experiences about 18 days of precipitation, contributing to a high humidity level of 81%. This combination of warmth and moisture transforms Nikko into a vibrant landscape, making it an ideal destination for nature lovers and adventure seekers. For more detailed insights into the region's climate, check out Nikko Climate.