Last updated: August 21, 2025
Experience the pleasing climate of Sendai, Japan, in May, where temperatures range from a comfortable minimum of 4°C (40°F) to a warm maximum of 30°C (87°F), with an average of 16°C (61°F). This month welcomes frequent rainfall, contributing to a total precipitation of 107 mm (4.2 in) over approximately 13 days, resulting in a humidity level of 80%. Ideal for outdoor activities, May's vibrant weather invites visitors to immerse themselves in the beauty of this charming city adorned with spring blossoms.
In May, Sendai experiences a delightful transition into warmer weather, with temperatures noticeably rising from the chill of earlier months. The minimum temperature hovers around a mild 4°C (40°F), while the average reaches a pleasant 16°C (61°F), making it an ideal time for outdoor activities. The peak can soar to a balmy 30°C (87°F), signaling the onset of summer just a stone's throw away. This month distinctly marks a shift from the lingering cold of winter and the moderate early spring, showcasing a vibrant increase in warmth and comfort. As flowers bloom and days grow longer, May in Sendai truly captures the essence of spring's warmth.
In May, Sendai experiences a slight dip in precipitation compared to the preceding months, with 107 mm (4.2 in) of rain spread over 13 days. This trend reflects a transition into the warmer season, as the city shifts from the wetter spring months of March and April, which recorded 112 mm and 109 mm respectively. Notably, May's rainfall is consistent with the average rainfall pattern, setting the stage for an anticipated increase in precipitation during the more torrential months of July and August, where totals soar to 232 mm and 214 mm. This rhythmic change showcases Sendai's distinct seasonal variability, blending the gentle rains of late spring with the fierce summer storms on the horizon.
In May, Sendai experiences a notable rise in humidity, reaching 80%, which parallels the levels seen in January. This uptick marks the transition from the cooler months of spring into the warmer conditions of early summer. As the temperatures gradually increase, the air becomes noticeably more humid, setting the stage for the higher humidity levels that surge in June and July, reaching peaks of 87% and 92%, respectively. The pattern clearly indicates a shift as the city moves from the relatively comfortable humidity of spring into the more moisture-laden summer months, creating an inviting yet sometimes oppressive atmosphere that characterizes Sendai's climate during this time of year.
As May unfolds in Sendai, Japan, residents and visitors alike should be aware of the very high UV Index of 10, a notable peak for the month. This level signals a marked increase in sun exposure risk compared to April, which recorded a UV Index of 8, and it further aligns with the trend of intensifying UV radiation leading into summer. With a burn time of just 15 minutes, it's crucial to take precautions to protect skin from potential damage through proper clothing, sunscreen, and seeking shade. This heightened UV intensity sets the stage for the early summer months ahead, where similar levels persist through June. To stay informed and safe, check out the detailed Sendai UV Index.
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As May unfolds in Sendai, Japan, the city basks in a delightful 292 hours of sunshine, marking the peak of a steady upward trend in daylight hours that began in the previous months. Following the promising 271 hours in April, May's brilliant rays illuminate the beauty of the blooming season, inviting residents and visitors alike to revel in outdoor activities. This surge in sunlight contrasts sharply with the early months of the year, where January's 167 hours hinted at winter's chill. However, as spring progresses, there's a remarkable transformation, with sunshine hours steadily increasing from 222 in February to 258 in March. By the time June arrives, although still blessed with 280 hours, the longer, sun-kissed days of May leave a lingering warmth, setting the stage for the vibrant summer ahead.
In Sendai, Japan, May brings a transitional shift in the likelihood of sunny weather, with a 32% chance of sunshine—lower than the sunniest months of the year but consistent with the early spring. As winter gives way to warmer temperatures, it's notable that May's sunshine probability lags behind the preceding months of April (43%) and even earlier winter months like January (39%). This trend suggests that while the cherry blossoms may bloom and outdoor activities become more enticing, the skies may still be somewhat fickle during this time. As summer approaches, the chances of sunshine dip further, indicating that those soaking in the late spring ambiance should be prepared for a mix of sun and clouds.
In Sendai, Japan, May marks a turning point in daylight duration, offering 14 hours of sunlight that beckons the arrival of warm spring days. This increase follows a steady climb from 11 hours in March and 13 hours in April, creating a vibrant backdrop for outdoor activities and nature explorations. As the days grow longer, residents and visitors alike can bask in the invigorating sunshine, embracing the beauty of blooming landscapes. This trend of extended daylight continues into June, before gradually tapering off in the summer months, reminding us of the fleeting nature of these longer days. By the time autumn arrives, daylight will retreat to 12 hours in September, showcasing the beautiful cycle of seasons that Sendai experiences.
In Sendai, Japan, the winds of May bring a gentle breeze, with an average wind speed of 2.8 m/s (6 mph), marking a slight decrease from the previous months. As spring unfolds, this month signals the transition into calmer summer days, especially when compared to January through April, where wind speeds hover around the mid-range of 3.0 to 3.8 m/s. The trend indicates a steady diminishment of wind intensity as the year progresses, with May's breeziness serving as a precursor to the stillness of summer. Interestingly, while wind speeds continue to drop as summer approaches, the fluctuating gusts of fall and winter remind us of the dynamic weather patterns that define this region.
Weather in Sendai varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sendai, 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 cool 4°C (40°F) to a warm 30°C (87°F), with an average of 16°C (61°F), creating a pleasant spring atmosphere. The month experiences 107 mm (4.2 in) of precipitation over 13 days, accompanied by a high humidity level of 80%. In contrast, January is much colder, with temperatures dropping to a minimum of -10°C (14°F) and peaking at only 11°C (52°F), averaging around 0°C (33°F). This winter month sees less precipitation at 65 mm (2.6 in) also spread over 13 days, but maintains the same humidity level of 80%. For a closer look at the specifics of January weather, you can check Sendai weather in January.
The weather in May and February presents a stark contrast, showcasing the transition from winter to late spring. May experiences a much warmer average temperature of 16°C (61°F), with daytime highs reaching up to 30°C (87°F), while February's average is a chilly 1°C (35°F), capped at a maximum of 15°C (59°F) and dipping to a bone-numbing minimum of -10°C (14°F). In terms of precipitation, May sees significantly more rainfall, accumulating 107 mm (4.2 in) over 13 days, compared to February's 53 mm (2.1 in) over just 12 days. Humidity levels are relatively similar, with May at 80% and February slightly lower at 79%. For a closer look at February's conditions, you can visit Sendai weather in February.
In comparing the weather between March and May, it is clear that May experiences significantly warmer temperatures, with an average of 16°C (61°F) compared to March's cooler average of 5°C (42°F). While both months have similar levels of precipitation, with March at 112 mm (4.4 in) and May at 107 mm (4.2 in), May tends to feel more humid, with 80% humidity compared to March's 77%. Additionally, May's maximum temperature can reach up to 30°C (87°F), offering a much warmer climate than March, which peaks at 20°C (69°F). For those interested in a detailed look at March's specific weather conditions, you can visit Sendai weather in March.
When comparing the weather in May to April, it's clear that May tends to be warmer and more humid. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (87°F), averaging around 16°C (61°F). In contrast, April's temperatures are cooler, with a minimum of -2°C (29°F) and a maximum of 26°C (80°F), averaging just 10°C (50°F). Both months experience similar levels of precipitation, with May seeing 107 mm (4.2 in) over 13 days and April recording 109 mm (4.3 in) over 12 days. However, May's humidity level is higher at 80%, compared to April's 75%. For more detailed information on April weather, you can check Sendai weather in April.
May and June showcase a gradual warming trend, with June generally being warmer and slightly more humid. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (87°F), with an average of 16°C (61°F). The month experiences a total precipitation of 107 mm (4.2 in) over 13 days and a humidity level of 80%. By contrast, June sees a minimum temperature of 10°C (49°F) and a higher average of 19°C (67°F), peaking at 32°C (89°F). Precipitation slightly decreases to 101 mm (4.0 in) while maintaining the same number of rainy days. Additionally, humidity rises to a notable 87%. For more details on June weather, check out Sendai weather in June.
May and July exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (87°F), with an average temperature of 16°C (61°F). This month sees about 107 mm (4.2 in) of precipitation over approximately 13 days, accompanied by a humidity level of 80%. In contrast, July experiences a warmer climate, with temperatures ranging from 15°C (60°F) to a sweltering 35°C (95°F) and an average of 23°C (74°F). The precipitation increases significantly to 232 mm (9.1 in) over 18 days, and humidity rises to 92%. Such differences highlight the transition from the mild spring to the hot summer months. For more details, you can check out Sendai weather in July.
In May, the weather typically ranges from a chilly low of 4°C (40°F) to a warm high of 30°C (87°F), with an average temperature of 16°C (61°F). This month experiences about 107 mm (4.2 in) of precipitation over 13 days, coupled with a humidity level of 80%. In contrast, August brings a more consistently warm climate, with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 35°C (95°F), averaging around 25°C (77°F). It sees increased precipitation of 214 mm (8.4 in) spread over 20 days and higher humidity at 92%. The combination of escalating temperatures and humidity makes August a distinctly more tropical month. For further details, visit Sendai weather in August.
May and September display notable differences in weather patterns, with both months showcasing varied temperatures and precipitation. In May, temperatures range from a cool 4°C (40°F) to a warm 30°C (87°F), with an average of 16°C (61°F). This month experiences 107 mm (4.2 in) of rainfall spread across 13 days, with humidity levels around 80%. Conversely, September presents a milder climate, with minimum temperatures at 8°C (47°F), maximums reaching 33°C (92°F), and an average of 21°C (69°F). The month sees increased rainfall, totaling 150 mm (5.9 in) over 14 days, accompanied by slightly higher humidity at 86%. For more detailed information, check out Sendai weather in September.
May and October both experience similar minimum temperatures, hovering around 4°C (40°F), but May boasts a higher average temperature of 16°C (61°F) compared to October's 15°C (59°F). The maximum temperatures in May can reach 30°C (87°F), while October's peak is slightly lower at 27°C (81°F). However, October sees a significant increase in precipitation, with 208 mm (8.2 in) over 12 days, while May has 107 mm (4.2 in) across 13 days. Additionally, humidity levels are quite close, with May at 80% and October slightly higher at 82%. For more detailed insights, check out Sendai weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a pleasant average of 16°C (61°F), peaking at 30°C (87°F) on warmer days. The month sees significant rainfall, with 107 mm (4.2 in) of precipitation over 13 days, and humidity is relatively high at 80%. In contrast, November experiences cooler temperatures, with a minimum of -3°C (27°F) and an average of 9°C (48°F), while maxing out at 21°C (69°F). The weather is drier, with only 40 mm (1.6 in) of precipitation over 9 days and slightly lower humidity at 79%. For a detailed look at the weather in November, check out Sendai weather in November.
May and December showcase stark contrasts in weather patterns. In May, temperatures range from a mild minimum of 4°C (40°F) to a warm average of 16°C (61°F), peaking at a comfortable 30°C (87°F). This month also experiences significant rainfall, with 107 mm (4.2 in) over approximately 13 days, accompanied by a high humidity level of 80%. In contrast, December presents much colder conditions, with temperatures dipping to a minimum of -5°C (23°F) and averaging only 3°C (37°F), while reaching a maximum of 16°C (61°F). Although December sees less precipitation at 67 mm (2.6 in) over 16 days, the humidity remains constant at 80%. For a deeper insight into December's climate specifics, check out Sendai weather in December.
As May unfolds in Sendai, the weather takes on a distinctly vibrant character, transitioning from the coolness of early spring to the warmth of early summer. With average temperatures around 16°C, this month marks a welcoming shift, as residents experience pleasant days marked by maximums reaching 30°C. However, the season also brings a notable amount of rainfall, with 13 days of precipitation contributing to a relatively high humidity level of 80%. This unique blend of warmth and moisture sets May apart from other months, creating an inviting atmosphere perfect for enjoying the lush greenery and blooming flowers. For more insights into Sendai's climate patterns, be sure to check Sendai Climate.