Last updated: August 21, 2025
May in Sado, Japan, is a vibrant transition into warmer weather, showcasing a maximum temperature of 29°C (84°F) and an average of 17°C (62°F), making it an inviting time for outdoor activities. Visitors can expect a mild minimum temperature of 7°C (45°F) during the cooler mornings. However, with 90 mm (3.5 in) of precipitation over 12 days, it's advisable to come prepared for the occasional rain. The island's 81% humidity adds a refreshing feel to the air, further enhancing the lush landscapes that flourish this time of year. Whether you're exploring the scenery or enjoying local culture, May offers a delightful experience on Sado Island.
In May, Sado, Japan, experiences a delightful transition into warmer weather, making it one of the most pleasant months of the year. With minimum temperatures rising to 7°C (45°F) and average highs reaching a comfortable 29°C (84°F), the island enjoys a vibrant burst of spring. This notable shift reflects a gradual warm-up from the cooler months of January through April, where temperatures hover much lower. As May progresses, both locals and visitors are treated to beautifully mild days, perfect for exploring Sado's breathtaking landscapes and cultural sites. The dramatic increase in warmth signifies not just a change in the weather but also the awakening of the island’s natural beauty, setting the stage for the balmy summer ahead.
In May, Sado, Japan, experiences relatively mild precipitation, with a total of 90 mm (3.5 in) recorded over 12 days. This marks a decrease from the preceding months, where April saw 113 mm (4.5 in) distributed across 13 days. The shift towards drier conditions in May is a precursor to the hotter summer months ahead, as both June and July witness a significant uptick in rainfall, reaching 92 mm (3.6 in) and a staggering 256 mm (10.1 in), respectively. This trend showcases a typical pattern for Sado, where spring gradually transitions into a much wetter and more humid summer season, highlighting the region's dynamic climate.
In May, Sado, Japan experiences a noticeable shift in humidity, maintaining a comfortable level at 81%. This is a slight increase compared to the more temperate 78% in April, marking the island's transition into the more humid summer months. As the year progresses, humidity levels steadily rise, peaking at 92% in both July and August. Interestingly, the trend shows a slight dip in humidity during the early spring months, with January and February recording the highest averages at 88% and 86%, respectively. As we move into June, humidity returns to a higher range, setting the stage for the sultry summer that characterizes the region.
In May, Sado, Japan, experiences a notable surge in the UV Index, peaking at 10, which falls into the very high exposure category. This increase marks a significant jump from April's 8, indicating that sun protection becomes essential for outdoor activities. With a burn time of just 15 minutes, individuals should be particularly vigilant about applying sunscreen and wearing protective clothing. As the month progresses, the UV Index remains elevated into June, maintaining the same level of 10. This escalating trend emphasizes the need for awareness as summer approaches, often leading to the extreme levels seen in July and August. For more detailed information on UV levels throughout the year, visit Sado UV Index.
UV Risk Categories
In May, Sado, Japan, basks under an impressive 310 hours of sunshine, a vibrant peak in the island's radiant springtime. This sunny month shows a delightful surge in daylight compared to earlier months, where January kicked off with just 145 hours. As spring unfolds, sunshine hours steadily climb—from 195 in February to 282 in April—culminating in May's brilliant brightness. This upward trend further persists into the summer months, peaking in August with 317 hours of sunshine. As the year progresses, Sado experiences a gradual decline, yet the lush backdrop created by the spring and summer sun remains a captivating allure for visitors.
In Sado, Japan, the month of May presents a sunshine likelihood of 37%, sitting comfortably in the middle of the year’s spectrum. It follows a promising April, which boasts a higher chance of sunny days at 43%, yet slightly dips in comparison to the forthcoming summer months. The warmer months clearly shift the balance towards sun, with July peaking at 48%. Interestingly, May serves as a transitional phase, where the chance of sun still outshines the earlier months of the year, such as January, March, and even February. As spring unfolds, May offers a pleasant balance, inviting residents and travelers to enjoy the budding landscapes and milder weather, albeit with a hint of unpredictability.
In Sado, Japan, the arrival of May heralds a delightful increase in daylight, with the sun gracing the skies for 14 hours each day. This marks a significant transition from the shorter days of winter, where January and February offer just 9 and 10 hours of light, respectively. As spring unfolds, the daylight hours gradually extend; March provides 11 hours, while April sees a notable jump to 13 hours. This upward trend peaks in May and continues through June and July, where daylight remains consistently at 14 hours. However, as summer wanes into autumn, the light begins to retreat, gradually decreasing to 12 hours in September and down to 9 hours by December. Overall, the progression of daylight in Sado not only signals the changing seasons but also invites a sense of renewal and vibrancy during the spring and summer months.
In May, Sado, Japan, experiences a gentle increase in wind speed, averaging 3.9 m/s (9 mph), which maintains the trend of mild breezes typical of spring. After the more robust winds of winter, declining from 5.4 m/s in January to a low of 3.7 m/s in April, the winds stabilize slightly as the warm season approaches. This pattern showcases a gradual transition from the sharper gusts earlier in the year, with the wind too softening notably in the following months of June and July, where it dips to a mere 2.2 m/s (5 mph). Overall, May presents a sweet spot in Sado’s climatic journey, offering pleasant breezes that complement the blooming landscapes, making it an ideal time for outdoor exploration.
Weather in Sado varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sado, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing May and January weather, the contrasts are striking. May boasts milder temperatures, with a minimum of 7°C (45°F) and an average of 17°C (62°F), peaking at a comfortable 29°C (84°F). In contrast, January features much colder conditions, with temperatures dipping to a minimum of -5°C (24°F) and an average of just 4°C (39°F), while the maximum reaches only 13°C (56°F). Additionally, January experiences more precipitation, accumulating 130 mm (5.1 in) over 20 days, compared to May's 90 mm (3.5 in) over 12 days. The humidity also remains relatively high in both months, with January at 88% and May at 81%. For more detailed insights on January weather, you can visit Sado weather in January.
In comparing the weather of May and February, it's evident that May enjoys significantly warmer temperatures, with averages ranging from a low of 7°C (45°F) to a high of 29°C (84°F), compared to February's chilly temperatures of -3°C (28°F) to a maximum of 14°C (58°F). While February experiences more frequent precipitation days at 19, May has fewer, with 12 days of rain, though the overall rainfall is slightly lower at 90 mm (3.5 in) compared to February’s 105 mm (4.1 in). Both months exhibit high humidity, with February at 86% and May slightly lower at 81%. For those interested in the specifics of February's weather, you can check out Sado weather in February.
In comparing the weather between March and May, we see a noticeable shift towards warmer temperatures and slightly reduced precipitation. March experiences a minimum temperature of 0°C (32°F) and an average of 8°C (46°F), with a maximum of 18°C (64°F). In contrast, May brings milder conditions, ranging from a minimum of 7°C (45°F) to an average of 17°C (62°F) and peaking at 29°C (84°F). While March has a bit more precipitation, totaling 101 mm (4.0 in) over 16 days, May follows closely with 90 mm (3.5 in) over 12 days—indicating a trend toward drier weather. Both months feature consistent humidity levels at 81%. For more specific details on March weather, you can check Sado weather in March.
In comparing the weather between April and May, we see a notable increase in temperature, with May experiencing a minimum of 7°C (45°F) and an average of 17°C (62°F), compared to April's minimum of 3°C (37°F) and average of 11°C (52°F). May also boasts a higher maximum temperature of 29°C (84°F), while April peaks at 22°C (71°F). However, precipitation is slightly lower in May, with 90 mm (3.5 in) over 12 days, compared to April's 113 mm (4.5 in) over 13 days. Humidity remains relatively similar, with May at 81% and April at 78%. For those interested in a detailed look at April weather, visit Sado weather in April.
In comparing the weather between May and June, it's clear that June is generally warmer, with average temperatures rising from 17°C (62°F) in May to 20°C (69°F). May experiences a broader temperature range, with maximums reaching up to 29°C (84°F), while June maxes out at a slightly lower 28°C (83°F). Precipitation levels are fairly similar, with May receiving 90 mm (3.5 in) over 12 days compared to June's 92 mm (3.6 in) over 9 days. Humidity also sees an increase, climbing from 81% in May to 88% in June, indicating a more humid climate as summer approaches. For more detailed information, check out Sado weather in June.
May and July present distinctly different weather patterns. In May, temperatures range from a cooler minimum of 7°C (45°F) to a pleasant average of 17°C (62°F), peaking at 29°C (84°F). However, precipitation in May is relatively moderate, totaling 90 mm (3.5 in) over 12 days, with humidity at a comfortable 81%. In contrast, July experiences significantly warmer temperatures, with a minimum of 20°C (68°F), an average of 25°C (78°F), and maximum highs reaching an impressive 37°C (99°F). This month sees increased rainfall, totaling 256 mm (10.1 in) across 15 days, and a higher humidity level of 92%. For more information on July weather specifics, you can check Sado weather in July.
May and August present contrasting weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a cool 7°C (45°F) at night to a pleasant 29°C (84°F) during the day, with an average of 17°C (62°F). The month experiences about 90 mm (3.5 in) of precipitation over 12 days, and humidity is relatively high at 81%. In stark contrast, August brings warmer conditions, with minimum temperatures rarely dropping below 19°C (67°F) and maximums reaching as high as 37°C (100°F), averaging 27°C (81°F). However, it also experiences more precipitation at 207 mm (8.2 in) over 14 days and a slight increase in humidity to 92%. For more details on weather conditions during this time, visit Sado weather in August.
May and September present contrasting weather patterns, reflecting the transition from spring to early autumn. In May, temperatures range from a cooler minimum of 7°C (45°F) to a pleasant average of 17°C (62°F) and can peak at a warm 29°C (84°F). This month experiences about 90 mm (3.5 in) of rain over 12 days, with humidity levels sitting at 81%. In contrast, September sees a significant rise in temperatures, with a minimum of 15°C (60°F), an average of 23°C (74°F), and maximums soaring to 36°C (98°F). Rainfall increases to 164 mm (6.5 in) over 14 days, accompanied by a slightly higher humidity level of 89%. For more details on September's weather conditions, you can explore Sado weather in September.
May and October present two distinct weather patterns. In May, temperatures range from a mild minimum of 7°C (45°F) to a pleasant maximum of 29°C (84°F), with an average of 17°C (62°F). The month sees relatively moderate precipitation of 90 mm (3.5 in) over approximately 12 days, paired with a humidity level of 81%. In contrast, October brings slightly warmer temperatures with a minimum of 11°C (51°F) and an average of 18°C (65°F), reaching up to 28°C (82°F) at its peak. However, it also experiences higher precipitation, totaling 147 mm (5.8 in) over 13 days, along with a higher humidity of 87%. For a closer look at October weather, check out Sado weather in October.
May and November present contrasting weather patterns, with May boasting warmer temperatures and greater variability. In May, temperatures range from a low of 7°C (45°F) to a pleasant average of 17°C (62°F) and can peak at 29°C (84°F). This month typically experiences 90 mm (3.5 in) of precipitation over about 12 days, accompanied by a humidity level of 81%. In contrast, November brings cooler conditions, with a minimum temperature of 3°C (38°F) and an average of 12°C (54°F), peaking at a maximum of 21°C (71°F). Although November has a higher total precipitation of 115 mm (4.5 in) over 15 days, it also sees a slight increase in humidity at 85%. For more information, you can visit Sado weather in November.
May and December present strikingly different weather conditions. In May, temperatures range from a minimum of 7°C (45°F) to a comfortable average of 17°C (62°F), peaking at 29°C (84°F). The month sees moderate rainfall with about 90 mm (3.5 in) over 12 days, while humidity hovers around 81%. In contrast, December offers a much colder climate, with temperatures dropping to a minimum of -1°C (30°F) and averaging just 7°C (44°F), reaching a maximum of 17°C (64°F). Precipitation is significantly higher during this month, totaling 179 mm (7.1 in) across 25 days, and humidity slightly increases to 86%. For more insights into December weather, you can check out Sado weather in December.
As May unfolds on Sado Island, the transition to warmer weather becomes evident, with temperatures gradually rising from the cooler spring months. While the maximum daytime warmth can reach a pleasant 29°C (84°F), the nights can still dip to cooler temperatures. This month also marks the beginning of increased humidity, averaging around 81%, and a notable uptick in precipitation, with about 90 mm spread over approximately 12 days. Unlike the drier winter months, the combination of warmth and higher moisture levels brings a refreshing vibrancy to the island, enhancing its lush landscapes. For more insights about Sado's weather patterns throughout the year, visit Sado Climate.