May Weather in Rusutsu, Japan

Last updated: August 21, 2025

May in Rusutsu, Japan offers a delightful blend of spring warmth and freshness, with temperatures peaking at a maximum of 29°C (84°F) while the average hovers around a comfortable 11°C (53°F). The month experiences a cool minimum of 2°C (35°F), making it ideal for those who enjoy mild weather. However, with 87 mm (3.4 in) of precipitation spread over 12 days, visitors should be prepared for occasional rain showers. High humidity levels at 86% create a crisp atmosphere, enhancing the lush beauty of Rusutsu’s breathtaking landscapes. Whether exploring outdoor activities or simply enjoying the serene environment, May is a captivating time to experience this charming destination.

May Temperature in Rusutsu

In May, Rusutsu, Japan, experiences a delightful transformation as winter's chill gives way to the warmth of spring. The temperatures rise significantly, with minimums reaching around 2°C (35°F) and averaging a comfortable 11°C (53°F). This change is marked by maximum temperatures that can climb to a pleasant 29°C (84°F), making it the perfect time for outdoor enthusiasts to explore the lush landscapes. Compared to the preceding months, May showcases a striking upward trend in warmth, inviting visitors to enjoy the season's beauty before the summer heat sets in. As nature awakens and flowers bloom, Rusutsu becomes a vibrant playground, ideal for hiking, sightseeing, and soaking in the breathtaking scenery.

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

The chart illustrates May temperature patterns in Rusutsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rusutsu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212332415359686962513825
Data source: Temperature data for Rusutsu 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 Rusutsu

May in Rusutsu, Japan, experiences a notable transition in precipitation patterns, highlighted by an average rainfall of 87 mm (3.4 in) over approximately 12 days. This reflects a slight decrease from the wetter months of April and June, contributing to the spring thaw that bursts forth after the winter chill. As nature comes alive, the moderate precipitation ensures lush greenery without overwhelming the trails with rain. Overall, May strikes a balance that prepares the landscape for the heavier showers of summer, setting the stage for the vibrant outdoor activities that characterize this charming season.

May Precipitation Trends in Rusutsu

The chart displays monthly precipitation patterns in Rusutsu, 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 Rusutsu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64698993871129814711611511686
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rusutsu

As spring transitions into summer, May in Rusutsu, Japan, witnesses a notable rise in humidity, reaching 86%. This slight uptick follows a steady trend from earlier months, where humidity levels hover around the low 80s. As the lush landscapes of Rusutsu bloom, the increasing moisture in the air creates a vibrant atmosphere, enhancing the region's natural beauty. June sees a further climb to 87%, setting the stage for the sweltering heights of summer, where humidity peaks in July at a muggy 93%. This gradual increase not only signifies the onset of warmer weather but also hints at the invigorating experiences that await in the lush, green landscapes during the summer months.

May Average Humidity in Rusutsu

This chart illustrates the average monthly humidity levels in Rusutsu, 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 Rusutsu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rusutsu

In May, Rusutsu, Japan experiences a significant rise in the UV Index, reaching an impressive 9, which places it in the very high exposure category. This sharp increase from April’s 7 indicates a notable transition into summer, where outdoor enthusiasts should remain vigilant about sun safety, as the recommended burn time drastically reduces to just 15 minutes. The trend continues into June, July, and August, where the UV levels plateau at 10, making sun protection a priority for anyone enjoying the beautiful natural landscapes. As the seasons shift towards autumn, the UV Index gradually declines, illustrating the dynamic nature of Rusutsu’s weather. For a detailed outlook and tips on staying safe under the sun, visit Rusutsu UV Index.

Maximum UV Index Levels in Rusutsu for May

The chart shows the monthly maximum UV Index (UVI) for Rusutsu 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 Rusutsu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236791010108632
Data source: Rusutsu 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 Rusutsu

In Rusutsu, Japan, May unveils a delightful transition into spring, boasting an impressive 307 hours of sunshine. This month stands out as a peak in sunlight hours, following a steady climb from 135 hours in January to a blossoming 288 hours in April. As the days grow longer and warmer, May marks the crescendo of spring's brightness, setting the stage for the sun-soaked adventures that await in the summer months, such as July's 313 hours. The trend of increasing sunlight hours not only enhances the beauty of the surrounding landscapes but also invites both locals and visitors to fully embrace the vibrant outdoor activities that this enchanting season has to offer.

Monthly Sunshine Duration in Rusutsu: May Highlighted

The May sunshine duration represents the total number of hours Rusutsu 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.
JanFebMarAprMayJunJulAugSepOctNovDec135h192h248h288h307h298h313h289h270h236h182h167h
Data source: Rusutsu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rusutsu During May

In Rusutsu, Japan, the likelihood of sunny weather experiences notable fluctuations throughout the year. As spring unfolds, there's a clear increase in sunshine probability, peaking at 41% in April before tapering slightly to 26% in May. This dip marks the transition into early summer, where conditions brighten again with 43% sunshine chance in June. Notably, the month of May presents a unique contrast to the upward trend seen just before it, emphasizing the unpredictable nature of spring weather in the region. Overall, while May may not boast the sunniest prospects, the preceding warmer months signal a promising shift towards brighter days ahead.

Percentage of Sunny Days in May in Rusutsu

The chart illustrates the percentage of sunny days in Rusutsu 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 Rusutsu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%25%32%41%26%43%38%27%32%35%35%30%
Data source: Rusutsu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rusutsu in May

In Rusutsu, Japan, the transition from winter to summer is marked by a gradual increase in daylight hours, peaking in the vibrant month of May. With 14 hours of daylight, May heralds the arrival of spring, offering longer days that are perfect for outdoor activities and appreciating nature's rebirth. Following April's 13 hours, the flow of sunlight continues to swell, giving way to June's peak at 15 hours. As summer approaches, daylight starts to gently recede, with July experiencing a slight dip back to 14 hours. Then, as the festival of summer fades, August and September watch the sunset a bit earlier each day, reflecting the cyclical nature of the seasons, before the shorter days of autumn settle back in with 11 hours of daylight by October.

Average Daylight Hours in Rusutsu for May

The chart illustrates the variation in daylight duration in Rusutsu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 56m13h 23m14h 37m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Rusutsu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rusutsu

In Rusutsu, Japan, the wind in May whispers at an average speed of 2.5 m/s (6 mph), maintaining a gentle breeze that signifies the transition from spring to summer. While May experiences a slight dip in wind speed compared to the preceding months, it reflects a consistent pattern seen throughout the year. From January through April, the winds hover around the 2.6 to 3.0 m/s range, but as summer approaches, speeds begin to plateau at a comfortable 2.1 to 2.2 m/s from June to October. This shift suggests a calming approach to summer, where one can enjoy the beauty of nature without the distraction of strong gusts, making May an ideal time for leisurely outdoor activities amidst Rusutsu's stunning landscapes.

Average May Wind Speed in Rusutsu

The chart displays monthly wind speed patterns in Rusutsu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.02.62.82.5 m/s2.12.12.22.12.22.72.7
Data source: Rusutsu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rusutsu Compares to Other Months

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

May and January present starkly different weather conditions. In May, temperatures range from a minimum of 2°C (35°F) to a maximum of 29°C (84°F), with an average of 11°C (53°F) and high humidity at 86%. The month also sees approximately 87 mm (3.4 in) of precipitation spread over 12 days. In contrast, January is characterized by much colder temperatures, with lows reaching -20°C (-4°F) and highs only climbing to 4°C (39°F), averaging -6°C (22°F). Precipitation in January is lower at 64 mm (2.5 in) but occurs over a greater number of days, totaling 15. This results in a slightly lower humidity level of 84%. For more details on January weather, check out Rusutsu weather in January.

May and February offer stark contrasts in weather. In May, temperatures range from a minimum of 2°C (35°F) to a high of 29°C (84°F), with an average of 11°C (53°F), while February experiences much colder conditions, with temperatures ranging from -17°C (1°F) to a maximum of 7°C (45°F) and an average of -5°C (23°F). Additionally, May sees more precipitation, totaling 87 mm (3.4 in) over 12 days, compared to February's 69 mm (2.7 in) over 18 days. Both months have high humidity levels, but May is slightly higher at 86%, compared to February's 83%. For more information on February’s weather, check Rusutsu weather in February.

In comparing the weather in May and March, notable differences arise. May showcases a much warmer climate, with average temperatures soaring to 11°C (53°F) and a maximum of 29°C (84°F), compared to the crisp chill of March, which sees averages at 0°C (32°F) and highs only reaching 13°C (56°F). Additionally, while both months experience substantial precipitation, May typically sees about 87 mm (3.4 in) over 12 days, whereas March has a similar amount of 89 mm (3.5 in) spread over 14 days. Humidity levels are also relatively high in May at 86%, slightly surpassing March’s 81%, making the late spring month feel more muggy. For a deeper dive into March weather specifics, you can visit Rusutsu weather in March.

In comparison to April, May typically brings warmer temperatures, with averages rising from 5°C (41°F) in April to 11°C (53°F) in May. The minimum temperature in May is also significantly higher at 2°C (35°F), compared to a chilly -6°C (22°F) in April. However, both months experience similar levels of precipitation, with May recording 87 mm (3.4 in) and April slightly higher at 93 mm (3.7 in), both over 12 days. Additionally, May's humidity is somewhat elevated at 86% compared to April's 81%. For a more detailed view of April weather patterns, you can check out Rusutsu weather in April.

May and June exhibit distinct weather patterns, with June generally offering milder temperatures and slightly increased humidity. In May, average temperatures range from a minimum of 2°C (35°F) to a maximum of 29°C (84°F), while June sees a higher average of 15°C (59°F), with temperatures peaking at 26°C (79°F). Precipitation also increases in June, totaling 112 mm (4.4 in) over 11 days, compared to May's 87 mm (3.4 in) over 12 days. Humidity remains comparable, with May at 86% and June at 87%. For a detailed overview of the June weather, check out Rusutsu weather in June.

May and July present quite different weather characteristics. In May, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), with an average of 11°C (53°F). The month experiences about 87 mm (3.4 in) of precipitation over approximately 12 days, accompanied by a high humidity level of 86%. In contrast, July brings warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 31°C (89°F), averaging around 20°C (68°F). The precipitation slightly increases to 97 mm (3.8 in) over the same 12 days, while humidity rises to 93%. For a closer look at July weather specifics, you can refer to Rusutsu weather in July.

The weather in May and August presents significant contrasts in temperature and precipitation. In May, the temperatures range from a chilly 2°C (35°F) at night to a pleasant 29°C (84°F) during the day, with an average of 11°C (53°F). The month sees 87 mm (3.4 in) of rainfall over 12 days and humidity levels around 86%. In comparison, August experiences warmer conditions, with temperatures ranging from a milder 8°C (47°F) at night to a high of 32°C (89°F) during the day, averaging 20°C (69°F). However, it also brings more rain, accumulating 147 mm (5.8 in) across 13 days, and higher humidity at 95%.

For a detailed look at August weather in Rusutsu, you can visit Rusutsu weather in August.

May and September both offer mild temperatures, but they exhibit distinct differences in climate. In May, temperatures range from a cool 2°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (53°F). Precipitation in May totals 87 mm (3.4 in) over about 12 days, contributing to a high humidity level of 86%.

In contrast, September sees slightly cooler nights with a minimum temperature of 4°C (39°F) and a higher average temperature of 17°C (62°F), peaking at 28°C (83°F). The rain increases in September, yielding 116 mm (4.6 in) over 14 days, while humidity rises marginally to 88%. Thus, while both months are relatively pleasant, September tends to be wetter and a bit warmer on average than May. For more details on September weather, you can check this link: Rusutsu weather in September.

May and October present distinct weather patterns, reflective of the transition between spring and autumn. In May, temperatures range from a mild minimum of 2°C (35°F) to a warm maximum of 29°C (84°F), with an average of 11°C (53°F) that encourages outdoor activities. However, this month also sees significant rainfall, averaging 87 mm (3.4 in) over approximately 12 days, and a high humidity level of 86%.

In contrast, October experiences cooler temperatures, with a minimum dipping to -2°C (29°F) and an average of 10°C (51°F), while the maximum is more moderate at 24°C (75°F). This month is wetter still, with precipitation reaching 115 mm (4.5 in) over 15 days, and humidity slightly lower at 83%. For a more detailed look at October weather, check out Rusutsu weather in October. Overall, while May invites the warmth of early spring, October ushers in the chill of autumn.

May and November present markedly different weather patterns. In May, temperatures range from a minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), with an average of 11°C (53°F). The month sees around 87 mm (3.4 in) of precipitation, falling over approximately 12 days, and humidity levels are quite high at 86%. In contrast, November experiences much cooler conditions, with temperatures dipping to a minimum of -12°C (11°F) and only reaching a maximum of 16°C (60°F), averaging just 3°C (39°F). Precipitation increases to 116 mm (4.6 in) over about 20 days, and humidity decreases slightly to 79%. This stark difference underscores the transition from spring warmth to the onset of winter conditions. For more details, check Rusutsu weather in November.

May and December present strikingly different weather conditions. In May, temperatures range from a minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), with an average of 11°C (53°F). The month experiences around 87 mm (3.4 in) of precipitation over approximately 12 days, accompanied by high humidity levels of 86%. In contrast, December brings much colder weather, with temperatures dipping as low as -17°C (2°F) and averaging -4°C (25°F), with a maximum of 11°C (51°F). The precipitation remains similar at 86 mm (3.4 in), but it falls over a longer period of around 24 days, and humidity is slightly lower at 80%. For a detailed look at December weather in Rusutsu, you can visit Rusutsu weather in December.

Compare Rusutsu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rusutsu

As May unfolds in Rusutsu, the weather transitions dramatically compared to the chillier months, welcoming warmer temperatures that can reach a pleasant 29°C (84°F). While the average hovers around a comfortable 11°C (53°F), the brisk mornings remind visitors of the lingering coolness, with lows dipping to 2°C (35°F). Rain is a frequent companion, as indicated by the 87 mm of precipitation spread across about 12 days, contributing to the region's lush scenery. With humidity levels at 86%, the air feels invigorating yet refreshing. Overall, May serves as a beautiful prelude to summer, making it an ideal time for exploration and outdoor activities. For more insights on the weather throughout the year, check out Rusutsu Climate.