Last updated: August 21, 2025
May in Ogasawara, Japan showcases a delightful blend of warm temperatures and increased humidity, making it an inviting time for visitors. The maximum temperature peaks at a pleasant 27°C (81°F), while the average settles comfortably at 23°C (74°F) and the minimum dips to 18°C (65°F). This month is also notable for its precipitation, accumulating 178 mm (7.0 in) over approximately 12 rainy days, contributing to the lush greenery that the islands are famous for. With an humidity level of 87%, the air feels rich and tropical, perfectly complementing the vibrant flora and fauna that thrive during this time of year.
In May, Ogasawara experiences a delightful transition into warmer weather, with temperatures showing a noticeable upward trend. The minimum temperature rises to 18°C (65°F), and the average reaches 23°C (74°F), peaking at a comfortable 27°C (81°F) during the day. This increase marks a sharp contrast to the cooler spring months of April and March, making May an ideal time for outdoor activities and exploring the lush landscapes of the islands. With these pleasant conditions, the arrival of summer is heralded, inviting both locals and visitors to enjoy the vibrant natural beauty and moderate warmth Ogasawara has to offer.
May marks a notable shift in precipitation patterns in Ogasawara, Japan, with rainfall reaching a substantial 178 mm (7.0 in) – significantly higher than the preceding months. As the region transitions into late spring, the increase in rainfall is reflected in the 12 days of precipitation, setting the stage for the lush growth characteristic of this period. This jump contrasts with April's 94 mm (3.7 in) and signals the start of a wetter season, continuing into June, which sees only a slight decrease in precipitation at 166 mm (6.5 in) over 13 days. This trend highlights the region's climatic progression towards the summer months, where both the frequency and intensity of rainfall typically surge, influencing both the landscape and local ecosystems.
In May, Ogasawara, Japan experiences a notable rise in humidity, peaking at 87% as spring transitions into summer. This increase continues a trend observed since January, where humidity steadily climbs from 69%, gradually reaching 81% in April. While May marks a significant leap, it's just a precursor to June's sweltering 93% humidity, highlighting the island's tropical climate. As the months progress, humidity remains high, with July experiencing only a slight dip to 88%, before stabilizing through late summer. This pattern suggests that visitors to Ogasawara in May should prepare for a lush, humid environment, setting the stage for the vibrant natural beauty that thrives in such conditions.
In May, Ogasawara, Japan, experiences a UV Index of 12, falling into the extreme exposure category, which means optimal care is essential when enjoying the outdoors. This level of UV intensity, paired with a burn time of only 10 minutes, underscores the increasing trend in UV exposure as we transition from spring to summer. Following a pattern observed since March, where the UV Index reached a peak of 11, May continues to showcase the region's high UV levels, contributing to intense sunburn risks. The surrounding months, particularly June and July, maintain a similar intensity, indicating a consistent need for protective measures during this vibrant time of year. Stay informed and protect yourself by checking the Ogasawara UV Index.
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May heralds the peak of sunshine in Ogasawara, Japan, with a delightful 302 hours of sunlight shining down, surpassing all previous months in the year. This vibrant month comes after a steady build-up, beginning with 174 hours in January and gradually rising to a remarkable 270 hours by April. The sunny trend continues into June, where hours remain nearly consistent at 301 hours. As the summer months unfold, July peaks with an impressive 342 hours, showcasing the region’s glorious embrace of sunlight. The gradual ascent of hours illustrates not just the warming of the year, but the sheer beauty and vitality of May, making Ogasawara a brilliant destination to soak in nature’s brilliance.
As May approaches in Ogasawara, Japan, the likelihood of sunny weather stands at 40%, presenting a promising opportunity to enjoy the island's natural beauty. This marks a slight increase compared to the preceding month of April, which had a lower 32% chance of sunshine. Notably, May's sunny potential foreshadows the bright and sunny peak of summer, particularly in August, which boasts the highest sunshine probability at 52%. The trend reveals that while spring fluctuates, moving from 26% in January to 47% in March, May offers a vibrant transition into the warmer months, making it an appealing time for outdoor activities amidst the picturesque landscapes of Ogasawara.
In Ogasawara, Japan, the daylight duration experiences a noticeable transition throughout the year. Starting in January with a modest 10 hours of daylight, the length of day gradually begins to extend, reaching 11 hours in both February and March. As spring unfolds in April, daylight increases to 12 hours, paving the way for the radiant month of May, where sunlight peaks at 13 hours. This generous daylight continues through the summer months of June, July, and August, allowing residents and visitors alike to soak up the sun. However, as autumn approaches, the daylight begins to recede, returning to 12 hours in September and gradually decreasing to 10 hours by December. This rhythm of longer days in spring and summer, complemented by the crisp shortening of daylight in fall and winter, creates an enchanting cyclical experience in this beautiful island enclave.
In Ogasawara, Japan, the May wind experience offers a refreshing contrast to the months preceding it. With an average wind speed of 4.9 m/s (11 mph), May marks the tail end of a springtime lull, where breezes are notably gentler than the preceding months. In April, locals and visitors alike enjoy stronger gusts at 8.0 m/s (18 mph), but as the island transitions into late spring, the winds soften, creating a calm atmosphere that beckons more leisurely outdoor activities. This trend of lighter winds continues into the early summer, with June picking up slightly to 6.7 m/s (15 mph). Yet, compared to the vigorous start of the year, May stands out as a serene month, inviting relaxation and connection with nature in this stunning archipelago.
Weather in Ogasawara varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ogasawara, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present distinctly different weather patterns. In May, temperatures are warmer, with a minimum of 18°C (65°F) and an average high of 27°C (81°F), creating a more summery atmosphere. In contrast, January showcases cooler temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 24°C (75°F). Precipitation is also notably higher in May, with 178 mm (7.0 in) over 12 days compared to January's 59 mm (2.3 in) across 8 days, resulting in a more humid environment in May at 87%, versus 69% humidity in January. For those interested in a detailed breakdown of January weather, refer to Ogasawara weather in January.
May typically experiences warmer temperatures compared to February, with average highs reaching around 27°C (81°F) versus February's maximum of 23°C (73°F). While February has a milder feel with an average temperature of 18°C (65°F), May brings higher humidity at 87%, resulting in a more tropical atmosphere compared to February's 69%. Additionally, May sees significantly more rainfall, accumulating 178 mm (7.0 in) over 12 days, compared to February’s 37 mm (1.5 in) over just 6 days. For a more detailed look at February weather, you can check Ogasawara weather in February.
In comparing the weather of March and May, March experiences slightly cooler temperatures, with minimums around 15°C (59°F) and averages of 20°C (68°F), while May sees warmer conditions, beginning at a minimum of 18°C (65°F) and averaging 23°C (74°F). May is also notably wetter, with 178 mm (7.0 in) of precipitation over 12 days, compared to March’s 69 mm (2.7 in) across 9 days. Additionally, the humidity is higher in May at 87%, compared to March’s 74%, making the spring month feel more tropical. For a more detailed look at March's climate, you can check Ogasawara weather in March.
In comparing the weather of April and May, we can observe several notable differences. May tends to be warmer, with average temperatures reaching 23°C (74°F), compared to April's average of 21°C (70°F). Additionally, May sees slightly higher maximum temperatures, peaking at 27°C (81°F) compared to April's maximum of 25°C (77°F). However, May is also significantly wetter, with 178 mm (7.0 in) of precipitation spread over 12 days, while April has only 94 mm (3.7 in) over 9 days. The humidity is also higher in May at 87%, compared to 81% in April. For more details about April weather conditions, you can visit Ogasawara weather in April.
In comparing the weather between May and June, we see a notable increase in temperature. May experiences a minimum temperature of 18°C (65°F) with an average of 23°C (74°F) and a maximum of 27°C (81°F). In contrast, June starts off warmer, with a minimum of 21°C (70°F) and an average high of 28°C (83°F). While May has slightly higher precipitation at 178 mm (7.0 in) over 12 days, June sees a comparable total of 166 mm (6.5 in) across 13 days but with a higher humidity level of 93%. For more specifics on June weather, you can check Ogasawara weather in June.
May and July present distinct differences in weather patterns. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). The month is relatively rainy, with 178 mm (7.0 in) of precipitation over 12 days and high humidity at 87%. In contrast, July experiences warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging at 27°C (81°F). Although July is slightly less rainy, with 100 mm (3.9 in) of precipitation over 14 days, humidity remains high at 88%. For more details on July’s weather, you can check Ogasawara weather in July.
In comparing the weather between May and August, May experiences cooler temperatures with a minimum of 18°C (65°F) and an average of 23°C (74°F), while August sees a warmer minimum of 26°C (79°F) and an average of 28°C (82°F). Precipitation is notably higher in May, totaling 178 mm (7.0 in) across 12 rainy days, compared to August's 93 mm (3.7 in) over 13 days, suggesting that August is generally drier. Additionally, humidity levels are slightly lower in August at 84%, compared to May's elevated humidity of 87%. For more specific details about August weather, you can check Ogasawara weather in August.
In May, temperatures typically range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). The month experiences significant rainfall, totaling 178 mm (7.0 in) over approximately 12 rainy days, and humidity hovers around a high 87%. In contrast, September is warmer, with minimum temperatures starting at 25°C (77°F) and reaching an average of 28°C (82°F), peaking at 30°C (86°F). While September sees slightly more precipitation at 181 mm (7.1 in) over 16 days, the humidity remains slightly lower at 85%. For more detailed information, check Ogasawara weather in September.
May and October exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). This month experiences significant rainfall, with 178 mm (7.0 in) of precipitation over 12 days, accompanied by high humidity at 87%. In contrast, October features warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 29°C (85°F), averaging 27°C (81°F). Rainfall is slightly lower at 158 mm (6.2 in) but is spread over more days, totaling 19 days of precipitation. Additionally, humidity is somewhat lower in October at 82%. For more details on October weather, visit Ogasawara weather in October.
May and November exhibit similar temperature ranges, with May experiencing an average of 23°C (74°F) and November slightly warmer at 24°C (76°F). Both months have maximum temperatures peaking at 27°C (81°F). However, May is characterized by higher humidity at 87% and greater rainfall, accumulating 178 mm (7.0 in) over 12 days, compared to November's 131 mm (5.1 in) over 14 days and lower humidity of 80%. For more detailed weather information, you can check Ogasawara weather in November.
May and December showcase mild temperatures with only slight differences between the two months. In May, the temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), featuring an average of 23°C (74°F). This month experiences higher humidity at 87% and more precipitation, with 178 mm (7.0 in) over 12 days. In contrast, December has a slightly cooler temperature range, with a minimum of 17°C (63°F) and a maximum of 26°C (78°F), averaging at 22°C (71°F). It also sees a reduction in both precipitation at 167 mm (6.6 in) and humidity, which drops to 75% over 11 days. For more specific insights, check out Ogasawara weather in December.
As spring gives way to early summer, May in Ogasawara brings a delightful warmth and increased humidity, making it distinct from the cooler preceding months. The average temperature rises significantly, creating a vibrant atmosphere perfect for outdoor exploration. However, prepare for occasional rain, as May experiences more precipitation days compared to April, contributing to the lush greenery. The enchanting blend of warmth and moderate rainfall makes this month a lovely time to savor the natural beauty of the islands. To delve deeper into what Ogasawara has to offer throughout the year, check out the Ogasawara Climate.