Last updated: August 21, 2025
May in Yokohama, Japan is characterized by a pleasant blend of mild temperatures and moderate humidity, making it an appealing time for outdoor activities. The maximum temperature reaches a comfortable 23°C (74°F), while the average hovers around 12°C (55°F), and nights can be cool with a minimum of 6°C (44°F). Visitors should be prepared for some rain, as the city experiences 101 mm (4.0 in) of precipitation over approximately 12 days, contributing to an average humidity level of 86%. This combination creates a refreshing atmosphere, perfect for exploring the vibrant culture and natural beauty of Yokohama.
May in Yokohama, Japan, ushers in the warmth of spring, marking a delightful transition from the cooler months. With minimum temperatures averaging around 6°C (44°F) and a comfortable average of 12°C (55°F), this month is a breath of fresh air. Daily highs can reach up to 23°C (74°F), inviting both locals and visitors to enjoy the vibrant outdoor scenery. This warming trend continues as Tokyo steps into summer, showcasing the city's beauty against a backdrop of blossoming greenery and vibrant urban life. May is a perfect time to experience Yokohama’s charm while basking in its pleasantly mild climate.
In Yokohama during the month of May, the city experiences a moderate rainfall, totaling 101 mm (4.0 in) across 12 days. This amount reflects a consistent pattern in spring, as May's precipitation aligns closely with April's 99 mm (3.9 in), transitioning smoothly into the wetter months that follow. The rainfall in May serves as a gentle precursor to the heavier downpours of summer, particularly in June and July, where precipitation spikes significantly. Despite the increase in rainfall days as the season progresses, May's rain typically offers a refreshing ambiance, contributing to the lush greenery that characterizes this vibrant city.
May marks a noticeable shift in Yokohama's humidity levels, surging to an uncharacteristically high 86%. This rise reflects the gradual transition into the warm, wet summer months, where humidity continues to climb, peaking in July at a staggering 95%. Prior to May, humidity levels hovered between 77% and 79%, providing a relatively comfortable atmosphere that precedes the sticky intensity of late summer. As the city moves from the milder spring air to the balmy embrace of June and beyond, residents and visitors alike prepare for the thickening humidity that defines Yokohama's signature summer experience.
In May, Yokohama experiences a significant rise in UV exposure, with the UV Index peaking at 9, categorizing the risk as very high. This elevates the potential for skin damage, with a recommended burn time of just 15 minutes under direct sunlight. The steady climb from a moderate index of 3 in January to this heightened level underscores the urgency for sun protection measures as the warmth of spring gives way to summer. As residents and visitors enjoy the increasing outdoor activities, it’s essential to be mindful of sun safety, ensuring skin is adequately protected during this intense UV period. For more details on UV trends, visit Yokohama UV Index.
UV Risk Categories
In Yokohama, May emerges as a radiant jewel in the city's calendar, boasting an impressive 294 hours of sunshine. This vibrant month marks a delightful peak, following a steady ascent from the 156 hours recorded in January. As the seasons transition, sunlight availability climbs consistently, reaching its zenith in May before gradually tapering off into the summer months with 276 hours in June. The pattern reflects a harmonious rhythm of warmth and light, encouraging outdoor activities and showcasing the city's lush scenery. After May, the sunshine remains plentiful into July and August, offering over 250 hours each, creating a captivating outdoor atmosphere that captivates both residents and visitors alike.
In Yokohama, Japan, the likelihood of sunny weather in May stands at 33%, reflecting a dip from the more vibrant April, which boasts a 46% chance of sunshine. This mid-spring month can be quite variable, as May transitions toward the more humid summer season. While the chance of sun is higher in April, it tends to stabilize around the low to mid-30s in the subsequent months, including June and July. Interestingly, May’s sunshine probabilities align closely with both January and March, suggesting that while seasonal changes are underway, the sun isn't guaranteed just yet. As summer approaches, Yokohama slowly gears up for its sunnier days, but for now, visitors should be prepared for the possibility of overcast skies amidst the blossoming spring.
As spring transitions into summer, May in Yokohama, Japan, brings an inviting increase in daylight, with the sun gracing the city for a total of 14 hours each day. This is a noticeable leap from April, when daylight reached just 13 hours. The pattern clearly showcases the gradual elongation of daylight hours as we move towards the summer months, peaking at 15 hours in June before tapering off in mid to late summer. The longer days of May not only enhance outdoor activities but also create a vibrant atmosphere filled with the energy of the season. This trend of increasing daylight from winter's 9 hours in January to the height of summer illustrates the rhythm of nature that captivates both residents and visitors alike.
In Yokohama during May, the wind begins to mellow, with an average speed of 5.3 m/s (12 mph), marking the transition into the warmer months. After a peak in earlier months, where January and February saw stronger gusts of over 8 m/s, a notable decline is observed leading into the spring. By March and April, winds have softened, creating a gentle breeze that complements the blooming scenery. This trend of lighter winds continues into early summer, with July and August maintaining a similar pace; however, a slight resurgence in wind speed reappears in the fall with November's winds reaching 6.7 m/s. This seasonal ebb and flow in Yokohama's winds paints a vivid portrait of the region's changing climate, enhancing the city's charm throughout the year.
Weather in Yokohama varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Yokohama, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit stark differences in weather patterns. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average of 12°C (55°F). The month experiences higher precipitation, totaling 101 mm (4.0 in) over about 12 days, accompanied by high humidity at 86%. In contrast, January presents a much colder climate, with temperatures dipping as low as -7°C (19°F) and only reaching a maximum of 8°C (46°F), averaging around 1°C (34°F). Despite slightly lower total precipitation at 97 mm (3.8 in), it is spread over more days, totaling 19, with humidity at a more moderate 79%. For more detailed insights into January weather, refer to Yokohama weather in January.
When comparing the weather in May and February, there are notable differences in temperature and precipitation patterns. May enjoys milder conditions with temperatures ranging from a chilly 6°C (44°F) to a warm 23°C (74°F), averaging around 12°C (55°F). In contrast, February experiences colder temperatures, with a minimum of -7°C (20°F) and a maximum of only 8°C (46°F), averaging 0°C (33°F). Precipitation is somewhat similar; May receives 101 mm (4.0 in) of rain over 12 days, while February has slightly higher precipitation at 108 mm (4.3 in) but stretches over a longer duration of 21 days. Additionally, May is more humid at 86%, compared to February's 78%. For more detailed insights, you can check the Yokohama weather in February.
In comparing the weather of May and March, it's evident that May experiences significantly warmer temperatures, with a minimum of 6°C (44°F) and an average of 12°C (55°F), peaking at 23°C (74°F). In contrast, March is much cooler, with temperatures ranging from a minimum of -4°C (26°F) to a chilly maximum of 14°C (58°F) and an average of only 4°C (40°F). Precipitation is fairly consistent between the two months, with May recording 101 mm (4.0 in) over 12 days and March seeing 89 mm (3.5 in) over 14 days. Additionally, humidity levels are higher in May at 86%, compared to 77% in March. For more detailed information on March weather specifically in Yokohama, you can visit Yokohama weather in March.
In comparing the weather of May and April, May generally offers milder temperatures, with minimums reaching 6°C (44°F) and maximums peaking at 23°C (74°F), compared to April's minimum of 1°C (34°F) and maximum of 18°C (64°F). Both months see similar precipitation levels, with May receiving 101 mm (4.0 in) over 12 days and April slightly less at 99 mm (3.9 in) over 13 days. Additionally, May experiences higher humidity at 86%, in contrast to April's more comfortable 78%. For more detailed information about April weather, you can check Yokohama weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average temperature of 12°C (55°F). This month experiences 101 mm (4.0 in) of precipitation over 12 days, and the humidity is relatively high at 86%. In contrast, June sees warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 24°C (76°F), leading to an average of 16°C (61°F). Precipitation increases slightly to 123 mm (4.9 in) over the same 12 days, and humidity rises to 91%. For a closer look at June's weather, you can visit Yokohama weather in June.
May and July present distinct weather patterns, showcasing a shift from mild spring temperatures to the warmth of summer. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average of 12°C (55°F). The month experiences about 101 mm (4.0 in) of precipitation over 12 days, coupled with a humidity level of 86%. In contrast, July sees higher temperatures, with a minimum of 14°C (57°F), an average of 20°C (69°F), and a maximum of 28°C (83°F). This month also receives more rainfall, totaling 128 mm (5.0 in) over 13 days, while humidity rises to 95%. For a more detailed look at July weather, visit Yokohama weather in July.
May and August present markedly different weather conditions. In May, temperatures range from a cool 6°C (44°F) at night to a mild 23°C (74°F) during the day, with an average of 12°C (55°F). Precipitation is moderate at 101 mm (4.0 in), occurring on about 12 days, and humidity sits at a relatively high 86%. In contrast, August experiences significantly warmer temperatures, with minimums of 17°C (63°F) and maximums reaching 29°C (85°F), giving an average of 22°C (72°F). The month is also wetter, with precipitation totaling 203 mm (8.0 in) over approximately 15 days and humidity levels peaking at 97%. For more details, you can visit Yokohama weather in August.
May and September present distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures typically range from a chilly 6°C (44°F) at night to a pleasant 23°C (74°F) during the day, with an average of 12°C (55°F). The month experiences around 101 mm (4.0 in) of precipitation over 12 days, and humidity hovers at 86%. In contrast, September sees warmer temperatures with minimums around 14°C (57°F) and highs reaching up to 28°C (82°F), averaging 20°C (69°F). Although slightly wetter, with 113 mm (4.5 in) of rainfall also spread over 12 days, the humidity increases marginally to 89%. For those interested in detailed September weather specifics, you can find more information here: Yokohama weather in September.
When comparing the weather in May and October, one can observe some notable differences. In May, temperatures range from a cooler minimum of 6°C (44°F) to a pleasant maximum of 23°C (74°F), with an average temperature of 12°C (55°F). The month experiences around 101 mm (4.0 in) of precipitation over 12 days and boasts a high humidity level of 86%. In contrast, October presents slightly milder temperatures, with a minimum of 8°C (47°F) and a maximum of 25°C (77°F), averaging 16°C (60°F). However, it also tends to be wetter, with 168 mm (6.6 in) of precipitation over 13 days and a somewhat lower humidity of 81%. For more specific insights on October weather, you can check Yokohama weather in October.
In comparing the weather of May and November, May emerges as a much warmer month, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), averaging around 12°C (55°F). The month sees significant rainfall, totaling 101 mm (4.0 in) over 12 days, along with high humidity levels at 86%.
In contrast, November experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 17°C (63°F), averaging just 9°C (49°F). While precipitation is slightly lower at 94 mm (3.7 in), it is spread over a greater number of days, totaling 17. Adding to the chill, the humidity decreases to 78%.
For more detailed weather information, check out Yokohama weather in November.
In May, the weather is characterized by milder temperatures, with a minimum of 6°C and an average of 12°C, reaching a maximum of 23°C. This month experiences relatively high humidity (86%) and about 101 mm of precipitation over approximately 12 days. In contrast, December brings much colder temperatures, with minimums dropping to -4°C and an average of just 3°C, peaking at 14°C. This winter month sees increased precipitation at 151 mm, spread over 26 days, although humidity is lower at 77%. For more specific details, you can check out Yokohama weather in December.
As spring fully blossoms in Yokohama, May ushers in a delightful shift in weather, distinguishing itself from cooler previous months with notably milder temperatures. This month, residents and visitors can enjoy a pleasant average temperature of 12°C, while maximums reach around 23°C, creating ideal conditions for outdoor activities. However, May also brings along increased humidity levels at 86% and frequent rainfall, averaging 101 mm across 12 days. This combination of warmth and sporadic showers illustrates the transition towards summer, adding a refreshing vibrancy to the atmosphere. For more insights into how May fits into the overall weather patterns, explore Yokohama Climate.