May Weather in Yonakuni, Japan

Last updated: August 21, 2025

May in Yonakuni, Japan offers a delightful blend of warmth and humidity, with temperatures peaking at a maximum of 29°C (85°F) and an average of 26°C (79°F). The nights cool down to a soothing minimum of 21°C (70°F), providing a comfortable atmosphere for evening activities. However, this month also brings significant rainfall, accumulating to 180 mm (7.1 in) over approximately 16 days, making it crucial for visitors to be prepared for occasional showers. With an impressive humidity level of 84%, the lush landscapes thrive, creating a vibrant and picturesque setting that captures the essence of early summer in this charming locale.

May Temperature in Yonakuni

In May, Yonakuni, Japan, welcomes the warmth of early summer with temperatures rising significantly compared to previous months. The minimum temperature averages around 21°C (70°F), while daytime highs reach up to a pleasant 29°C (85°F), resulting in an average of 26°C (79°F) for the month. This noticeable increase from April’s averages reflects a shift towards a more tropical climate, making May an ideal time for outdoor activities and exploration. As the days grow longer and sunnier, the island comes alive, inviting visitors to enjoy its natural beauty amidst the burgeoning warmth.

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

The chart illustrates May temperature patterns in Yonakuni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yonakuni, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686871747983848382797570
Data source: Temperature data for Yonakuni 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 Yonakuni

In May, Yonakuni, Japan, experiences a noteworthy balance in precipitation, with 180 mm (7.1 in) of rainfall measured over 16 days. This marks a slight increase from April’s totals, indicating that the month is part of a consistent wet pattern as the region transitions into summer. Notably, May’s precipitation sets the stage for even wetter months ahead, reflected by the jump to 215 mm (8.5 in) in June. The steady rainfall not only enriches the landscape but also supports the vibrant ecosystem that characterizes Yonakuni. As the days warm up, the lush greenery thrives, showcasing the dynamic relationship between precipitation patterns and the island's natural beauty.

May Precipitation Trends in Yonakuni

The chart displays monthly precipitation patterns in Yonakuni, 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 Yonakuni, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec133141195179180215193221160188195237
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yonakuni

In May, the humidity in Yonakuni, Japan reaches 84%, marking it as a peak point in the year alongside June and July. This increase from the previous months—76% in January and 74% in February—signals the onset of summer, as humidity steadily rises through the spring. Notably, the trend continues from April's 82%, indicating a gradual build-up of moisture in the air as the region transitions into its warmer months. With both June and July maintaining this high humidity level, Yonakuni experiences a distinctly tropical climate during this period, offering lush landscapes and vibrant local flora. As the summer unfolds, residents and visitors alike can expect to feel the warmth wrapped in an enveloping blanket of humidity.

May Average Humidity in Yonakuni

This chart illustrates the average monthly humidity levels in Yonakuni, 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 Yonakuni is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%79%82%84%84%84%83%82%81%81%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Yonakuni

In Yonakuni, Japan, the UV Index during May reaches an extreme level of 13, mirroring the conditions of April and setting the stage for summer's intense sun exposure. With a critical burn time of just 10 minutes, residents and visitors alike need to take precautions to safeguard their skin. This month marks a consistent trend in the region, where the UV Index remains high from March through September, highlighting the importance of sun protection. As temperatures rise, it’s essential to stay informed and protected against harmful UV rays. For more detailed information, visit Yonakuni UV Index.

Maximum UV Index Levels in Yonakuni for May

The chart shows the monthly maximum UV Index (UVI) for Yonakuni 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 Yonakuni typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131313121097
Data source: Yonakuni 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 Yonakuni

May ushers in a radiant shift in Yonakuni, Japan, as the sun graces the island with 305 hours of glorious sunshine. This month marks a peak in daylight, following a steady climb from 124 hours in January to an impressive 259 hours in April. As temperatures warm and nature flourishes, May stands out as a vibrant blend of sunlight and vitality. The transition into summer is palpable, with June and July closely trailing at 295 and 339 hours respectively, yet May holds a special charm, offering the perfect balance of warmth and brightness before the sweltering summer heat fully settles in. As the days grow longer, locals and visitors alike can savor the beauty of the island bathed in golden rays, making it an irresistible time to soak in the enchanting atmosphere of Yonakuni.

Monthly Sunshine Duration in Yonakuni: May Highlighted

The May sunshine duration represents the total number of hours Yonakuni 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.
JanFebMarAprMayJunJulAugSepOctNovDec124h184h249h259h305h295h339h320h293h259h207h166h
Data source: Yonakuni May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yonakuni During May

In Yonakuni, Japan, the likelihood of sunny weather in May stands at 28%, a slight dip compared to the more promising spring months of April (36%) and March (33%). As the region transitions into the summer, the sunshine chances noticeably decrease, with June's likelihood dropping to just 12%. This trend underscores the variability of spring weather in Yonakuni, where May serves as a bridge to sunnier and more unpredictable summer months. Interestingly, the latter half of the year shows a dramatic rise in sunshine chances, peaking in September at 63%, suggesting that while May might not offer the brightest days, it does hint at the sunnier days to come.

Percentage of Sunny Days in May in Yonakuni

The chart illustrates the percentage of sunny days in Yonakuni 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 Yonakuni experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%39%33%36%28%12%24%32%63%34%25%21%
Data source: Yonakuni May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yonakuni in May

In YonaKuni, Japan, the transition into spring and summer is beautifully reflected in daylight duration. Starting in January with just 10 hours of daylight, the days gradually lengthen, reaching a delightful 12 hours by March. As April brings the first full month of spring, daylight holds steady before increasing to 13 hours in May, a trend that continues through June and July. This peak shines brightly with the longest days of the year, creating a vibrant backdrop for outdoor activities. However, as summer wanes into August, daylight begins its gentle decline, settling back to 12 hours. The descent continues into autumn and then winter, with daylight returning to 10 hours in the colder months of November and December. This rhythmic cycle of light and darkness not only marks the changing seasons but also enriches the daily life of Yonakuni's residents, inviting them to embrace each phase of the year.

Average Daylight Hours in Yonakuni for May

The chart illustrates the variation in daylight duration in Yonakuni throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 47m11h 19m12h12h 43m13h 19m13h 36m13h 27m12h 56m12h 16m11h 33m10h 56m10h 38m
Data source: Yonakuni daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Yonakuni

In YonaKuni, Japan, the month of May presents a gentle breath of wind at an average speed of 5.8 m/s (13 mph), marking a noticeable decline from the brisk winds of earlier months like January and November, where the averages peak at 8.1 m/s (18 mph) and 7.5 m/s (17 mph), respectively. This transitional period hints at the calming approach of summer, as wind speeds drop further into June, reaching their lowest at 4.1 m/s (9 mph). The gradual decrease in wind velocity from the lively gales of winter months to the softer breezes of late spring signifies a shift in the seasonal rhythm of this picturesque locale, inviting residents and visitors alike to embrace the tranquil beauty of May.

Average May Wind Speed in Yonakuni

The chart displays monthly wind speed patterns in Yonakuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.16.36.16.45.8 m/s4.16.05.04.77.37.58.4
Data source: Yonakuni May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Yonakuni Compares to Other Months

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

May and January present contrasting weather conditions. In May, temperatures are notably warmer, with a minimum of 21°C (70°F) and an average of 26°C (79°F), reaching a maximum of 29°C (85°F). This month also experiences higher humidity at 84% and significant rainfall, totaling 180 mm (7.1 in) over 16 days. In stark contrast, January features cooler temperatures, with a minimum of 12°C (53°F), an average of 20°C (68°F), and a maximum of 25°C (77°F). Although January has slightly less rainfall at 133 mm (5.2 in), it still sees precipitation spread over 18 days, accompanied by lower humidity at 76%. For more detailed information, you can check Yonakuni weather in January.

May and February present distinct weather patterns in terms of temperature, precipitation, and humidity. In May, temperatures generally range from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). In contrast, February is cooler, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 25°C (77°F) and an average of 20°C (69°F). While May experiences higher humidity at 84%, February's humidity is relatively lower at 74%. Precipitation is more frequent in May, occurring over 16 days and totaling 180 mm (7.1 in), compared to February, which receives 141 mm (5.5 in) over 18 days. For more detailed insights, you can check out Yonakuni weather in February.

In comparing the weather conditions of May and March, May generally experiences warmer temperatures, with minimums around 21°C (70°F) and average highs reaching up to 29°C (85°F). In contrast, March's temperatures are a bit cooler, with minimums of 16°C (61°F) and an average max of 26°C (80°F). Precipitation is fairly high in both months, with March receiving slightly more at 195 mm (7.7 in) over 19 rainy days compared to May's 180 mm (7.1 in) over 16 rainy days. Additionally, May has higher humidity levels at 84%, while March remains relatively comfortable at 79%. For more details on March's weather, visit Yonakuni weather in March.

May and April exhibit similar weather patterns, but May generally feels warmer and more humid. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F), while April's temperatures are slightly cooler, ranging from 17°C (63°F) to 28°C (83°F) and an average of 23°C (74°F). Both months experience comparable precipitation levels, with May recording 180 mm (7.1 in) and April at 179 mm (7.0 in), but the humidity is slightly higher in May at 84% compared to April's 82%. For those interested in more details, you can check out the Yonakuni weather in April.

In comparing the weather between May and June, it is evident that June experiences slightly warmer temperatures with a minimum of 25°C (77°F), an average of 28°C (83°F), and a maximum of 31°C (87°F), compared to May's minimum of 21°C (70°F), average of 26°C (79°F), and maximum of 29°C (85°F). However, June also sees increased precipitation, with 215 mm (8.5 in) over 19 days, while May records 180 mm (7.1 in) over 16 days. Despite these changes, both months maintain a consistent humidity level of 84%. For a detailed look at the weather patterns, you can check Yonakuni weather in June.

In comparing the weather between May and July, we see a notable increase in temperature and a slight uptick in precipitation. May experiences minimum temperatures of 21°C (70°F) and averages around 26°C (79°F), while July starts with a higher minimum of 26°C (79°F) and maintains an average of 29°C (84°F). Both months have a similar number of rainy days, with May receiving 180 mm (7.1 in) of rain and July slightly higher at 193 mm (7.6 in). Interestingly, the humidity remains constant at 84% for both months, keeping the air feeling quite humid. For more details on July's weather, you can check Yonakuni weather in July.

In May, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (85°F). During this month, there is significant rainfall, with precipitation measuring around 180 mm (7.1 in) over approximately 16 days, contributing to a humidity level of 84%.

In contrast, August is generally hotter, featuring higher average temperatures that range from a minimum of 26°C (79°F) to a maximum of 31°C (87°F). Precipitation increases to about 221 mm (8.7 in) over 19 days, while humidity slightly decreases to 83%. For a more detailed outlook on August weather, you can visit Yonakuni weather in August.

In comparing the weather between May and September, May tends to be slightly cooler with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), while September's temperatures are warmer, ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F). Both months experience a similar amount of precipitation, with May receiving 180 mm (7.1 in) and September slightly less at 160 mm (6.3 in), each spread over approximately 16 days. Humidity levels are also comparable, slightly higher in May at 84% compared to September's 82%. For more detailed information about September weather, you can refer to Yonakuni weather in September.

In May, temperatures range from a mild 21°C (70°F) to a warm 29°C (85°F), with an average of 26°C (79°F). However, this month experiences significant rainfall, totaling 180 mm (7.1 in) over 16 days, contributing to high humidity levels of 84%.

In contrast, October maintains similar temperature ranges, with a minimum of 21°C (71°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). Rainfall slightly increases to 188 mm (7.4 in) spread over 18 days, but humidity remains relatively lower at 81%. For those interested in more details, you can visit Yonakuni weather in October.

Overall, both months share comparable temperatures, but October tends to be a bit wetter while offering slightly lower humidity.

In comparing the weather between May and November, May tends to be slightly warmer, with average temperatures reaching 26°C (79°F) compared to November's 24°C (76°F). Both months experience high humidity, but May has a marginally higher level at 84% versus November's 80%. Precipitation is notably more frequent in November, with 23 rainy days contributing to a total of 195 mm (7.7 in), compared to May's 16 rainy days and 180 mm (7.1 in). For more detailed insights into November weather, you can check this link: Yonakuni weather in November.

In May, the weather is typically warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). However, it is also quite humid, with humidity levels reaching 84% and precipitation occurring on about 16 days, totaling 180 mm (7.1 in). In contrast, December offers cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 26°C (78°F), averaging at 21°C (71°F). While December is cooler, it experiences more rainfall, with precipitation of 237 mm (9.3 in) spread over 24 days, accompanied by a lower humidity of 78%. For a detailed look at December weather in this region, you can check Yonakuni weather in December.

Compare Yonakuni's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Yonakuni

As May unfolds in Yonakuni, the weather presents a delightful shift from the cooler, harsher months of spring. With temperatures averaging a comfortable 26°C (79°F), it heralds the beginning of summer's embrace, bringing warmer days and balmy evenings. However, this month also witnesses a noticeable increase in precipitation, with rain spreading across 16 days, which contributes to the air's rich humidity, often reaching 84%. Unlike the drier winter months, May's lush tropical vibe encourages outdoor explorations, making it an opportune time to soak up the island's natural beauty. For a more detailed perspective on Yonakuni's climate, be sure to check out Yonakuni Climate.