Last updated: August 21, 2025
May in Amakusa, Japan offers a delightful blend of warmth and humidity, with temperatures reaching a maximum of 30°C (86°F) and an average of 21°C (70°F). While the days are generally pleasant, be prepared for occasional rain, as 224 mm (8.8 in) of precipitation falls over about 11 days throughout the month. The high humidity level of 84% adds a tropical feel to the air, making it essential to stay hydrated and enjoy the lush landscape this beautiful region has to offer.
In May, Amakusa, Japan, welcomes the warmth of spring with delightful temperatures that perfectly embody the season. With a minimum of 10°C (50°F) and an average temperature climbing to 21°C (70°F), this month marks a noticeable shift from the cooler temperatures of April. The maximum temperature reaching a pleasant 30°C (86°F) offers ideal conditions for outdoor activities, allowing visitors to fully embrace the vibrant landscape and cultural charm of the region. As the days grow longer and the sun shines brighter, May sets the stage for a beautiful transition toward the summer heat that follows in June.
In May, Amakusa, Japan experiences a notable surge in precipitation, recording 224 mm (8.8 in) over 11 days, marking it as one of the wettest months of the year. This sharp increase follows the steadier rainfall seen in April and reflects a transitional phase leading into the monsoon season. As temperatures warm, the frequency of rain increases, with May's downpours setting the stage for June's peak rainfall of 298 mm (11.7 in) over 16 days. This trend underscores a significant shift in weather patterns, demonstrating May's role as a bridge to the more intense rainfalls of summer. The rich precipitation nourishes the verdant landscapes typical of the region, making it a vibrant period for nature in Amakusa.
As spring transitions into summer, May brings a noticeable increase in humidity to Amakusa, Japan, reaching a peak of 84%. This surge follows a relatively stable April, which recorded a humidity of 78%. The rising humidity in May sets the stage for the more oppressive levels that follow in June and July, where humidity levels soar to 86% and 92% respectively. As the year progresses, it's clear that humidity in Amakusa tends to climb steadily from April onwards, reflecting the region's subtropical climate. This trend, with May acting as a pivotal month, highlights the season’s transition to the sultry summer, making it an important time for residents and visitors alike to prepare for the heat and stickiness that characterize the months ahead.
As spring gives way to summer in Amakusa, Japan, the UV Index steadily climbs, peaking in May with an extreme rating of 12. This marks a significant jump from the moderate conditions seen at the beginning of the year; just a few months prior in March, the UV Index reached 9 (very high), indicating an early awareness of sun safety. May's strong UV levels mean that outdoor enthusiasts should be especially vigilant, as the burn time shortens to just 10 minutes for unprotected skin. This trend of extreme UV exposure continues into June and July, emphasizing the importance of protective measures. For comprehensive details on UV levels throughout the year, visit Amakusa UV Index.
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As May arrives in Amakusa, Japan, residents and visitors are treated to an impressive 282 hours of sunshine, which almost matches the radiant peak of August at 305 hours. This month marks the culmination of a bright spring, following a steady rise from January's modest 189 hours. April, with 286 hours, sets the stage for May's warmth, hinting at the delightful summer just around the corner. The transition from the cooler months shows a clear upward trend, with sunshine hours steadily increasing from the winter chill to welcome the vibrant days of late spring. With June seeing a slight dip to 257 hours, May stands as a radiant reminder of nature's beauty and the invigorating spirit that sunny days bring to this picturesque locale.
In Amakusa, Japan, the likelihood of sunny weather in May takes a notable dip, with only 26% of the days graced by sunshine. This trend marks a significant decrease from the sunnier months earlier in the year, such as April’s 41% chance. As spring transitions into summer, the chances of sunny days continue to struggle, dropping even further in June and July, where the probabilities fall to 21% and 19%, respectively. It's interesting to note that while May may offer mild temperatures, those hoping for bright skies will need to be prepared for more overcast conditions as the month unfolds, signaling a shift toward a wetter season ahead.
In Amakusa, Japan, the progression of daylight throughout the year reveals a beautiful rhythm of increasing and decreasing hours of light. As winter drifts away, January's 10 hours of daylight gradually gives way to February and March's 11 hours, signaling the arrival of spring. This transition accelerates in April, where daylight reaches 12 hours, and it peaks in May with a delightful 13 hours of sunlight, encouraging outdoor activities and blossoming landscapes. Following this vibrant month, June and July maintain 14 hours of daylight, offering indulgent experiences under the sun during the summer months. As summer fades into autumn, daylight gradually decreases, returning to 12 hours in September and ebbing to 10 hours by November, marking the onset of winter once again. This cyclical journey of light not only accentuates the changing seasons but also enhances the charm of Amakusa's picturesque setting.
In Amakusa, Japan, the month of May welcomes a gentle breeze with an average wind speed of 2.8 m/s (6 mph), marking a gradual decline from the more robust winds of spring. This trend continues from April, where winds were slightly stronger at 2.9 m/s (6 mph). As the season progresses into summer, we see a more significant reduction in wind speeds, particularly in June when they dip to 1.8 m/s (4 mph). This represents a consistent pattern of diminishing winds as the year advances into the warmer months, offering a calm and serene atmosphere ideal for enjoying outdoor activities and the breathtaking scenery that Amakusa has to offer.
Weather in Amakusa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Amakusa, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present striking contrasts in weather patterns. May typically enjoys a warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a comfortable average of 21°C (70°F) and reaching a maximum of 30°C (86°F). However, it also tends to be quite rainy, with 224 mm (8.8 in) of precipitation over 11 days and a humidity level of 84%.
In contrast, January is significantly colder, featuring temperatures that drop as low as -2°C (29°F) and average around 8°C (47°F), peaking at 21°C (69°F). Rainfall is much lighter, totaling 54 mm (2.1 in) across just 6 days, and the humidity is lower at 75%. For a deeper understanding of the January climate, you can explore Amakusa weather in January.
May and February present a striking contrast in weather conditions. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), averaging around 21°C (70°F), while February experiences much cooler temperatures with a minimum of -2°C (29°F) and a maximum of 22°C (72°F), averaging 9°C (49°F). Additionally, May is characterized by higher precipitation levels, totaling 224 mm (8.8 in) over 11 days, compared to February's 91 mm (3.6 in) over 9 days. The humidity also differs notably, with May maintaining a high of 84%, whereas February has a lower humidity level of 71%. For more detailed information on February weather, you can visit Amakusa weather in February.
May and March present contrasting weather patterns. In May, temperatures range significantly, with a minimum of 10°C (50°F), an average of 21°C (70°F), and a maximum of 30°C (86°F), indicating the onset of warmer conditions. The month also sees higher precipitation, totaling 224 mm (8.8 in) over 11 days, coupled with a humidity level of 84% that contributes to a muggy atmosphere. In contrast, March remains cooler, with temperatures ranging from a minimum of 3°C (38°F) to an average of 13°C (56°F) and a maximum of 25°C (78°F). It experiences lower precipitation at 143 mm (5.6 in) over 12 days and a relatively drier humidity of 71%. For more detailed information on March weather, visit Amakusa weather in March.
When comparing the weather in April and May, notable differences emerge. In April, temperatures range from a minimum of 6°C (42°F) to a maximum of 29°C (84°F), with an average of 17°C (63°F). The total precipitation is 134 mm (5.3 in) over 9 days, accompanied by a humidity level of 78%. Contrastingly, May experiences warmer temperatures with a minimum of 10°C (50°F), averaging 21°C (70°F), and reaching a maximum of 30°C (86°F). Precipitation increases significantly to 224 mm (8.8 in) across 11 days, while humidity rises to 84%. For more detailed information on April weather, you can visit Amakusa weather in April.
In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). The month sees considerable rainfall, totaling 224 mm (8.8 in) over 11 days, and humidity levels are high at 84%. In contrast, June experiences warmer temperatures, starting at a minimum of 16°C (61°F) and peaking at 32°C (90°F), with an average of 24°C (76°F). Rainfall increases to 298 mm (11.7 in) spread over 16 days, while humidity remains slightly elevated at 86%. This transition from May to June highlights not only a rise in temperatures but also an increase in both precipitation and humidity, making June a notably wetter month. For more detailed information, check out Amakusa weather in June.
May and July exhibit notable differences in weather patterns. May features milder temperatures, with averages around 21°C (70°F) and maximums reaching 30°C (86°F), while July sees a significant increase, with averages at 28°C (82°F) and maximums peaking at 37°C (99°F). Precipitation also escalates from 224 mm (8.8 in) over 11 days in May to a hefty 475 mm (18.7 in) across 19 days in July, contributing to an even higher humidity level of 92% during the latter month. For more detailed information about the July weather in Amakusa, you can visit Amakusa weather in July.
In comparing the weather between May and August, May presents a milder climate with average temperatures around 21°C (70°F) and a maximum of 30°C (86°F). The month experiences significant rainfall, totaling 224 mm (8.8 in) spread over 11 days, coupled with higher humidity levels at 84%.
On the other hand, August heats up considerably, with average temperatures reaching 29°C (85°F) and highs soaring to 39°C (103°F). Despite the warmer temperatures, it also brings increased precipitation, accumulating 295 mm (11.6 in) over 15 days, and even higher humidity at 91%. For more specific details on weather conditions, visit Amakusa weather in August.
May generally offers cooler temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). In contrast, September is warmer, with a minimum of 17°C (62°F) and a maximum of 35°C (95°F), while maintaining a higher average of 26°C (79°F). Both months experience significant precipitation, with May receiving 224 mm (8.8 in) over about 11 days and September slightly wetter with 227 mm (8.9 in) over 15 days. Interestingly, humidity levels remain consistent at 84% in both months. For more detailed information, check out Amakusa weather in September.
In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), with an average temperature of 21°C (70°F). The month is characterized by high humidity at 84% and significant rainfall, totaling 224 mm (8.8 in) over 11 days. In contrast, October sees slightly warmer minimum and maximum temperatures, fluctuating between 11°C (52°F) and 33°C (92°F), while maintaining the same average of 21°C (70°F). Precipitation decreases to 120 mm (4.7 in) across 9 days, and humidity remains relatively stable at 83%. For more detailed insights, you can check Amakusa weather in October.
May and November present contrasting weather conditions, with May enjoying warmer temperatures and higher humidity. In May, the average temperature reaches 21°C (70°F), ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), accompanied by significant precipitation of 224 mm (8.8 in) over 11 days. In contrast, November brings cooler temperatures, with an average of 15°C (59°F), a minimum of 5°C (41°F), and a maximum of 26°C (79°F). Precipitation in November is markedly lower at 88 mm (3.5 in) over just 8 days, and the humidity slightly decreases to 81%. For more detailed information on November weather, visit Amakusa weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F), making it a warm and vibrant month. However, May also experiences significant rainfall, with 224 mm (8.8 in) over 11 days, contributing to a high humidity level of 84%. In contrast, December is much cooler, with temperatures peaking at 25°C (77°F) and dropping to a chilly 1°C (33°F), averaging only 10°C (50°F). Rainfall is much lighter, totaling 90 mm (3.5 in) across just 7 days, and humidity is slightly lower at 79%. For more detailed insights on December weather, you can refer to Amakusa weather in December.
As you step into May in Amakusa, you’ll experience a noticeable shift in weather that sets the tone for the approaching summer. Temperatures rise, offering a delightful warmth that averages around 21°C and peaks at 30°C, making outdoor activities particularly enjoyable. This month also marks a period of heightened humidity and a fair amount of rainfall, with an average of 224 mm spread over 11 days, creating a lush landscape. Compared to the cooler, drier months preceding it, May brings a refreshing blend of warmth and moisture that invigorates the region. To explore more about what to expect throughout the year, check out the detailed insights on Amakusa Climate.