May Weather in Miyakojima, Japan

Last updated: August 21, 2025

May in Miyakojima, Japan is characterized by warm temperatures and high humidity, making it a vibrant time for visitors. With daily highs reaching a pleasant 29°C (84°F) and an average of 25°C (78°F), the island beckons travelers to explore its stunning scenery. However, be prepared for the frequent rain, as the month sees about 157 mm (6.2 in) of precipitation over 14 days. The humidity levels hover around a tropical 85%, enhancing the lush landscapes that define Miyakojima. Whether basking in the sun or enjoying the refreshing rain, May offers a unique experience on this beautiful island.

May Temperature in Miyakojima

In May, Miyakojima experiences a delightful transition into the warm season, with temperatures reflecting the island's tropical charm. The minimum temperature settles at a pleasing 21°C (70°F), while the average climbs to 25°C (78°F), peaking at a delightful 29°C (84°F) during the day. This rise in temperature marks a significant shift from the cooler months of April, which showcased mild conditions. As the month progresses, the increasing warmth invites locals and tourists alike to bask in the sun's embrace and explore the island's stunning natural beauty. With the pleasant climate in May, Miyakojima serves as an ideal destination for those seeking both relaxation and adventure as summer approaches.

May Weather in Miyakojima: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Miyakojima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyakojima, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686870737882838382797571
Data source: Temperature data for Miyakojima generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Miyakojima

In Miyakojima, Japan, May marks a notable transition in precipitation patterns, with 157 mm (6.2 in) of rainfall recorded over 14 days. This increase in precipitation compared to the preceding months highlights a trend towards the wetter season, as April had 126 mm (5.0 in) across only 12 days. The rise in both the amount of rainfall and the number of rainy days indicates a shift towards the more humid and tropical conditions that dominate the summer months. Following May, the region experiences an even more significant spike in rainfall, paving the way for June's 232 mm (9.2 in). This trend not only underscores May as a bridge to the island's wetter season but also enhances the lush landscapes that characterize Miyakojima during this period.

May Precipitation Trends in Miyakojima

The chart displays monthly precipitation patterns in Miyakojima, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Miyakojima, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9074135126157232221279260141124229
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Miyakojima

As spring transitions into summer, May in Miyakojima, Japan, experiences a noticeable rise in humidity, reaching an average of 85%. This increase marks a shift from the relatively lower humidity levels of January and February, both at 73%, and continues the upward trend that began in March at 77%. With each passing month, humidity steadily climbs, peaking in June at 86%. The warm air and lush landscapes during May create a distinctive tropical ambiance, inviting visitors to embrace the island's vibrant beauty, while preparing for the wetter conditions of the summer months ahead. As the humidity remains high throughout the summer, Miyakojima's lush scenery flourishes, enhancing the island's allure for nature enthusiasts and travelers alike.

May Average Humidity in Miyakojima

This chart illustrates the average monthly humidity levels in Miyakojima, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Miyakojima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%77%83%85%86%84%82%83%81%81%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Miyakojima

In Miyakojima, Japan, the UV Index in May reaches a formidable 13, categorizing it as extreme and making sun protection essential during this month. As temperatures rise, the risk of skin damage intensifies, with an alarming burn time of just 10 minutes. This trend of extreme UV exposure continues into June, July, August, and September, highlighting the need for consistent sun safety practices throughout the summer. Compared to earlier months, where the UV Index is lower and less hazardous, May stands out as a pivotal time to be vigilant. For more detailed insights on UV levels, check the Miyakojima UV Index.

Maximum UV Index Levels in Miyakojima for May

The chart shows the monthly maximum UV Index (UVI) for Miyakojima in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Miyakojima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131313131097
Data source: Miyakojima May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Miyakojima

May brings a radiant transformation to Miyakojima, Japan, with an impressive 317 hours of sunshine that herald the arrival of summer. This surge in daylight marks a significant increase from the earlier months, reflecting a trend of climbing sunshine hours as the year progresses. Following a steady rise from 160 hours in January to 273 hours in April, May stands out as a pivotal month in the annual sunshine cycle, paving the way for an even sunnier July. As a result, visitors can expect an abundance of brilliant days perfect for exploring the island's stunning beaches and lush landscapes, making it a truly vibrant time to experience all that Miyakojima has to offer.

Monthly Sunshine Duration in Miyakojima: May Highlighted

The May sunshine duration represents the total number of hours Miyakojima experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec160h213h266h273h317h298h333h316h296h272h231h201h
Data source: Miyakojima May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Miyakojima During May

In Miyakojima, Japan, the likelihood of sunny weather in May stands at a modest 33%, reflecting a dip compared to the preceding months of April and earlier spring months like March and February, which enjoy sunnier prospects with chances soaring as high as 47%. As spring wanes, the transition into summer sees a notable decrease in sunny days, as evidenced by the sharp drop to just 8% in June. Interestingly, while September boasts the highest likelihood of sunshine at 60%, making it an appealing choice for sun-seekers, May remains a balance of sun and clouds, hinting at the changing seasons in this tropical paradise.

Percentage of Sunny Days in May in Miyakojima

The chart illustrates the percentage of sunny days in Miyakojima throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Miyakojima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%47%47%43%33%8%29%35%60%49%45%36%
Data source: Miyakojima May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Miyakojima in May

In Miyakojima, Japan, the progression of daylight hours showcases a beautiful transition through the year. Starting with a modest 10 hours in January, the days gradually lengthen, reaching 13 hours by May and maintaining this vibrant duration through June and July. As summer gives way to autumn, a gentle decline in daylight occurs, with 12 hours in both August and September, followed by a return to 11 hours in October. The cycle completes itself with shorter days in November and December, settling again at 10 hours. This rhythm of increasing and decreasing daylight fosters a dynamic atmosphere, reflecting the seasonal changes and the natural beauty of Miyakojima.

Average Daylight Hours in Miyakojima for May

The chart illustrates the variation in daylight duration in Miyakojima throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 46m11h 18m12h12h 43m13h 20m13h 38m13h 29m12h 57m12h 16m11h 33m10h 55m10h 36m
Data source: Miyakojima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Miyakojima

In May, Miyakojima experiences a gentle breeze with an average wind speed of 5.9 m/s (13 mph), marking a notable dip from the gustier months of January through April. As spring transitions into summer, the winds begin to calm, contributing to the island's tranquil atmosphere. The trend of gradually increasing average wind speeds from the cooler months of January to April peaks at 8.7 m/s in January before tapering off in May. Following this, wind speeds recover slightly in June and July, highlighting a seasonal ebb and flow that characterizes Miyakojima's climate. This month is perfect for those seeking a serene escape, as the lighter winds invite leisurely outdoor activities amid the stunning natural beauty of the island.

Average May Wind Speed in Miyakojima

The chart displays monthly wind speed patterns in Miyakojima, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.76.76.07.35.9 m/s6.27.46.45.48.27.78.7
Data source: Miyakojima May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Miyakojima Compares to Other Months

Weather in Miyakojima varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Miyakojima, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present quite contrasting weather patterns. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F), making it a warm month perfect for outdoor activities. However, it also sees considerable precipitation, with 157 mm (6.2 in) spread over 14 days and high humidity levels at 85%. In contrast, January offers milder temperatures, with a minimum of 12°C (55°F) and a maximum of 25°C (77°F), providing a more temperate climate with an average of 20°C (68°F). The month is drier, experiencing only 90 mm (3.6 in) of rain over 12 days and lower humidity at 73%. To learn more about the specific conditions of January, you can check out Miyakojima weather in January.

May weather is characterized by warmer temperatures, with minimums around 21°C (70°F) and averages reaching 25°C (78°F), peaking at 29°C (84°F). In contrast, February tends to be cooler, featuring minimum temperatures of 14°C (57°F) and averages of 20°C (68°F), with a maximum of 24°C (76°F). Additionally, May experiences significantly more precipitation, totaling 157 mm (6.2 in) over approximately 14 days, compared to February's 74 mm (2.9 in) over 13 days. Humidity also increases in May, averaging 85%, compared to February’s 73%. For more detailed information, check out Miyakojima weather in February.

In comparing the weather in May and March, May generally offers warmer temperatures, with average highs reaching 29°C (84°F) compared to March's 25°C (78°F). March starts with milder mornings, featuring a minimum temperature of 16°C (60°F), whereas May begins at a higher minimum of 21°C (70°F). Furthermore, May experiences a noticeable increase in humidity at 85%, contrasting with March's more comfortable humidity level of 77%. Rainfall is also slightly more abundant in May, with 157 mm (6.2 in) over 14 days, compared to March's 135 mm (5.3 in) across 13 days. For a more detailed look at March weather, you can check out Miyakojima weather in March.

When comparing the weather between April and May, May tends to be warmer and slightly more humid. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). In contrast, April's temperatures are a bit cooler, with a minimum of 17°C (62°F) and a maximum of 27°C (81°F), averaging 23°C (73°F). Additionally, May experiences more rainfall, with 157 mm (6.2 in) over 14 days, while April sees 126 mm (5.0 in) over 12 days. Both months have high humidity levels, but May is marginally higher at 85% compared to April's 83%. For more details, you can check Miyakojima weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). This month sees a substantial amount of precipitation, totaling 157 mm (6.2 in) over 14 days, and humidity levels are high at 85%. In contrast, June experiences warmer conditions, with minimum temperatures of 24°C (76°F) and average highs reaching 30°C (86°F), leading to an average temperature of 28°C (82°F). Precipitation in June is even more significant, accumulating to 232 mm (9.2 in) over 18 days, while humidity slightly increases to 86%. To learn more about June weather specifically, you can visit Miyakojima weather in June.

May and July showcase distinctly different weather patterns. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). The month experiences significant rainfall, totaling 157 mm (6.2 in) over 14 days, coupled with high humidity levels at 85%. In contrast, July brings warmer conditions, with minimum temperatures rising to 27°C (80°F) and a consistent average of 29°C (84°F), peaking at a maximum of 30°C (87°F). Despite a higher overall precipitation of 221 mm (8.7 in) over the same number of days, humidity remains relatively stable at 84%. For more detailed information, you can check Miyakojima weather in July.

When comparing the weather in May and August, it's clear that both months are warm, but they differ in several aspects. In May, the average temperature is slightly lower, ranging from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). The month sees substantial rainfall, totaling 157 mm (6.2 in) over 14 days, contributing to a high humidity level of 85%. In contrast, August experiences higher temperatures with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at 30°C (87°F). However, August is notably wetter, receiving 279 mm (11.0 in) of precipitation across 21 days, while humidity remains slightly lower at 82%. For more detailed information about August weather, check out Miyakojima weather in August.

In comparing the weather between May and September, it is evident that September tends to be warmer overall. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). In contrast, September features slightly higher temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F), yielding an average of 28°C (83°F).

However, September experiences more precipitation, totaling 260 mm (10.3 in) over 17 days compared to May's 157 mm (6.2 in) over 14 days. Despite this increase in rainfall, the humidity levels are relatively similar, with May at 85% and September at 83%. For more specific insights on September weather patterns, you can visit Miyakojima weather in September.

In May, the weather warms up with an average temperature of 25°C (78°F), peaking at 29°C (84°F), but it also experiences considerable rainfall, with about 157 mm (6.2 in) of precipitation over 14 days and high humidity at 85%. In contrast, October sees a slight increase in minimum and average temperatures, with averages around 26°C (79°F) and a high of 29°C (85°F), while precipitation decreases slightly to 140 mm (5.5 in) over 15 days, accompanied by a lower humidity level of 81%. For more detailed insights into October weather, you can visit Miyakojima weather in October.

May and November in Miyakojima present a warm tropical climate, but with distinct weather patterns. In May, the temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). However, this month also sees high humidity at 85% and significant rainfall, averaging 157 mm (6.2 in) over approximately 14 days.

In contrast, November offers slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 26°C (80°F), and an average of 24°C (76°F). The month experiences less precipitation, around 123 mm (4.9 in) over roughly 13 days, along with a decrease in humidity to 81%. For a more detailed look at the weather conditions in November, you can check out Miyakojima weather in November.

May and December in Miyakojima present distinct weather patterns. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). The month experiences considerable rainfall, totaling 157 mm (6.2 in) over 14 days, accompanied by high humidity at 85%. Conversely, December is cooler, with temperatures ranging from 14°C (58°F) to 26°C (79°F) and an average of 22°C (71°F). December sees a higher total precipitation of 229 mm (9.0 in), occurring over 18 days, but with lower humidity at 77%. For more details on December weather, check Miyakojima weather in December.

Compare Miyakojima's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Miyakojima

As May unfolds in Miyakojima, temperatures rise, offering warmer days compared to the cooler preceding months. With an average temperature of 25°C, it's a delightful time to experience the island's beauty, although humidity levels peak at 85%, reminding visitors of the tropical climate. Rainfall increases, with about 14 days witnessing precipitation, making it essential for travelers to pack accordingly. This blend of warmth and moisture creates a lush landscape, setting the stage for the vibrant summer season ahead. For more information on what to expect throughout the year, check out Miyakojima Climate.