May Weather in Rausu, Japan

Last updated: August 21, 2025

May in Rausu, Japan is characterized by a delightful transition into spring, with temperatures ranging from a chilly 1°C (34°F) at night to a pleasant 25°C (77°F) during the day. The average temperature of 7°C (45°F) hints at the coolness still lingering in the air, while the high humidity of 91% adds a refreshing touch. Visitors can expect approximately 90 mm (3.5 in) of rain spread across 12 days, making it essential to embrace the occasional shower as part of the beautiful experience that Rausu has to offer in this vibrant month.

May Temperature in Rausu

In May, Rausu, Japan, experiences a delightful transition into warmer weather, with temperatures reflecting a significant shift from the biting chill of winter. The month begins to bloom as the mercury rises, offering a minimum of 1°C (34°F) and soaring to a comfortable max of 25°C (77°F). The average temperature settles at 7°C (45°F), marking a notable increase compared to the preceding months. This gradual warming trend allows for the emergence of spring colors, making it an ideal time to explore the natural beauty of the area. As the snow melts away, Rausu transforms, inviting both residents and visitors to embrace the revitalizing spirit of May.

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

The chart illustrates May temperature patterns in Rausu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rausu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232129364551596361544330
Data source: Temperature data for Rausu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Rausu

In May, Rausu, Japan experiences a noticeable uptick in precipitation, with total rainfall reaching 90 mm (3.5 in) over approximately 12 days. This amount marks a peak for the month, contributing to the overall trend of increasing rainfall as spring transitions into summer. The noticeable rise from 67 mm in April reflects an evolving climate pattern, as the region prepares for the wetter months ahead. Following May, precipitation remains high, with June closely matching the amount of rain experienced in May. This consistency hints at the onset of the rainy season, making May a pivotal month for understanding the region's annual weather dynamics.

May Precipitation Trends in Rausu

The chart displays monthly precipitation patterns in Rausu, 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 Rausu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5954816790897410910218211391
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rausu

In Rausu, Japan, May marks a notable increase in humidity, peaking at 91%—a significant rise from the already elevated levels seen in April, which recorded 86%. This trend of escalating humidity continues into the summer months, with June reaching 94% and July and August hitting a sweltering 96% and 97%, respectively. Such high humidity levels create a lush, verdant environment, characteristic of early summer in this picturesque locale. As the year progresses, humidity generally tapers off, but May stands out as a month where the air feels particularly rich and vibrant, setting the stage for the warm, sultry days ahead.

May Average Humidity in Rausu

This chart illustrates the average monthly humidity levels in Rausu, 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 Rausu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%80%86%92%94%96%97%89%80%76%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rausu

In May, Rausu, Japan, experiences a significant uptick in UV radiation, reaching a UV Index of 8, classified as very high. This surge marks a notable shift from previous months, where the burn time was considerably longer, allowing for safer outdoor exposure. With a reduced burn time of just 15 minutes, it's essential for residents and visitors to take precautions against sun damage, particularly as the trend indicates that the UV Index will peak even higher in June. As summer approaches, the intensity of sunlight in Rausu becomes a prominent factor to consider while planning outdoor activities. For detailed insights on UV levels throughout the year, visit Rausu UV Index.

Maximum UV Index Levels in Rausu for May

The chart shows the monthly maximum UV Index (UVI) for Rausu 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 Rausu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357891097532
Data source: Rausu 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 Rausu

In Rausu, Japan, the month of May ushers in a delightful surge of sunshine, boasting 290 hours of glorious daylight. This marked increase follows a steady climb from January's modest 153 hours, showcasing a clear trend toward longer, brighter days as spring unfolds. April, with its 284 hours, sets the stage for May’s gentle crescendo, while the onset of summer in June promises even more radiance at 298 hours. As Rausu embraces the warmth of May, residents and visitors alike can bask in nearly 10 hours more sunlight compared to April, making it an idyllic time to enjoy the vibrant beauty of the region.

Monthly Sunshine Duration in Rausu: May Highlighted

The May sunshine duration represents the total number of hours Rausu 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h204h247h284h290h298h316h266h264h231h192h196h
Data source: Rausu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rausu During May

As spring unfolds in Rausu, Japan, the likelihood of sunny weather in May takes a noticeable dip, with only 20% chance of sunshine. This marks a decrease from the gradually increasing probabilities seen in the preceding months of April, which boasts a 37% sun chance. Interestingly, this trend of diminishing sunshine continues into the summer months, where June (41%) offers a brief respite before July and August each return to lower expectations at 27% and 29%, respectively. Thus, while May may be a time of blossoming beauty, sunshine seekers might want to temper their expectations, as this month stands out as one of the less favorable for sunny skies in the region.

Percentage of Sunny Days in May in Rausu

The chart illustrates the percentage of sunny days in Rausu 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 Rausu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%36%35%37%20%41%27%29%39%34%42%43%
Data source: Rausu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rausu in May

As the year unfolds in Rausu, Japan, daylight duration steadily increases, enhancing the vibrancy of each passing season. In May, daylight reaches a pleasurable 14 hours, allowing residents and visitors alike to fully embrace the blooming landscapes. This marks a significant rise from the 13 hours observed in April and sets the stage for the glorious summer months ahead, where June and July boast 15 hours of sunlight. Following this peak, daylight begins to wane as summer transitions into autumn, with hours gradually decreasing to 12 hours in September and further to 9 hours by November. This rhythmic pattern not only defines the daily life and activities of Rausu's inhabitants but also accentuates the region's unique seasonal transformation throughout the year.

Average Daylight Hours in Rausu for May

The chart illustrates the variation in daylight duration in Rausu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 27m11h 55m13h 26m14h 44m15h 24m15h 4m13h 56m12h 28m10h 58m9h 38m8h 56m
Data source: Rausu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rausu

In Rausu, Japan, the May winds are characterized by a gentle breeze with an average speed of 4.3 m/s (10 mph), mirroring the wind conditions of February and March. This slight dip from the more robust April winds, which enjoyed a speed of 4.9 m/s (11 mph), suggests a trend of decreasing wind intensity as spring transitions into summer. Interestingly, this pattern continues into June, where average speeds drop to 3.3 m/s (7 mph). Looking at the broader picture, Rausu experiences its strongest winds in the winter months, peaking in December at 5.7 m/s (13 mph). However, November and January also showcase notable gusts, highlighting a clear seasonal fluctuation that sees the early part of the year bringing more vigor to the winds compared to the lighter breezes of late spring and summer.

Average May Wind Speed in Rausu

The chart displays monthly wind speed patterns in Rausu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.44.34.74.94.3 m/s3.33.73.94.24.35.35.7
Data source: Rausu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rausu Compares to Other Months

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

May and January showcase striking contrasts in weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a much warmer 25°C (77°F) during the day, averaging around 7°C (45°F). The month experiences about 90 mm (3.5 in) of precipitation over 12 days, accompanied by a high humidity level of 91%. Conversely, January presents a much colder climate, with minimum temperatures plummeting to -12°C (11°F) and a daytime maximum of only 5°C (42°F), averaging -5°C (24°F). The month sees less precipitation, totaling 59 mm (2.3 in) but over a slightly longer duration of 14 days, and a more moderate humidity at 78%. For a closer look at January conditions, you can visit Rausu weather in January.

In comparing the weather between May and February, a striking contrast emerges. May experiences milder temperatures, with a minimum of 1°C (34°F) and an average of 7°C (45°F), peaking at a comfortable 25°C (77°F). This month also sees higher humidity levels at 91% and more substantial precipitation, totaling 90 mm (3.5 in) over 12 days. In contrast, February is characterized by much colder temperatures, with a minimum plunging to -17°C (1°F) and an average of -6°C (21°F), while the maximum is only 6°C (42°F). February also has less precipitation, at 54 mm (2.1 in) over the course of 10 days, accompanied by lower humidity levels of 77%. For more detailed insights, you can refer to Rausu weather in February.

In March, temperatures in Rausu are quite chilly, with a minimum of -13°C (8°F) and an average of -2°C (29°F), while the maximum reaches only 11°C (53°F). The weather remains relatively dry with around 81 mm (3.2 in) of precipitation over 10 days, coupled with a humidity level of 80%. In contrast, May sees a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F) and an average of 7°C (45°F). Although May has slightly higher precipitation at 90 mm (3.5 in) over 12 days, the increased humidity of 91% adds to the lushness of the month. For more detailed information about March weather in Rausu, you can check Rausu weather in March.

In comparing the weather of April and May, one can observe a notable transition from the chill of early spring to the warmth of late spring. April experiences cooler temperatures, with a minimum of -7°C (20°F) and an average of 2°C (36°F), while May sees temperatures rise significantly, ranging from a minimum of 1°C (34°F) to an average of 7°C (45°F) and peaking at 25°C (77°F). Precipitation in May is also higher, totaling 90 mm (3.5 in) across 12 days compared to April's 67 mm (2.7 in) over 11 days, reflecting the increased humidity in May, which reaches 91% versus April’s 86%. This shift showcases how the weather gradually becomes milder and wetter as spring progresses. For more details on April's weather, you can check Rausu weather in April.

May and June exhibit some notable differences in weather characteristics. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 7°C (45°F) and relatively high humidity at 91%. Precipitation is quite frequent, occurring on 12 days for a total of 90 mm (3.5 in). Conversely, June sees a slight increase in minimum temperatures, with a range from 3°C (39°F) to a maximum of 22°C (71°F) and an average of 10°C (51°F). While precipitation remains similar at 89 mm (3.5 in), it occurs on fewer days—10 in total—and humidity is slightly higher at 94%. For more insights, you can check out Rausu weather in June.

May and July exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 25°C (77°F), with an average of 7°C (45°F). The month experiences considerable rainfall, totaling 90 mm (3.5 in) over 12 days, and humidity levels are high at 91%. In contrast, July sees warmer conditions, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 27°C (80°F), averaging 15°C (59°F). Although July has lower precipitation at 74 mm (2.9 in) across 8 days, humidity slightly rises to 96%. For more information on the specifics of July weather, visit Rausu weather in July.

In May, temperatures typically range from a chilly 1°C (34°F) at night to a warmer 25°C (77°F) during the day, with an average of 7°C (45°F). The month experiences 90 mm (3.5 in) of precipitation over 12 days, contributing to a high humidity level of 91%. In contrast, August offers a milder climate, with minimum temperatures around 12°C (54°F) and maximums reaching 26°C (79°F), resulting in an average temperature of 17°C (63°F). Although August sees slightly higher precipitation at 109 mm (4.3 in) over the same number of rainy days, the humidity is even more pronounced at 97%. For more specific information about weather conditions in August, you can refer to Rausu weather in August.

In May, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 7°C (45°F). The month experiences around 90 mm (3.5 in) of precipitation over 12 days, accompanied by a high humidity level of 91%. In contrast, September offers warmer conditions, with minimum temperatures starting at 9°C (48°F), averaging 16°C (62°F), and peaking at 26°C (80°F). While it sees slightly more rain—102 mm (4.0 in) over 11 days—the humidity is marginally lower at 89%. For a detailed look at September weather, check out Rausu weather in September.

In May, temperatures start to warm up, with a minimum of 1°C (34°F) and an average of 7°C (45°F), peaking at a maximum of 25°C (77°F). The month is relatively wet, with around 90 mm (3.5 in) of precipitation spread over 12 days and high humidity levels at 91%. In contrast, October experiences more moderate temperatures, ranging from a minimum of 4°C (39°F) to an average of 12°C (54°F), with a maximum of 19°C (67°F). However, October is much wetter, accumulating 182 mm (7.2 in) of rainfall over 16 days and slightly lower humidity at 80%. For a detailed look at October weather, you can visit Rausu weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a chilly 1°C (34°F) to a warm 25°C (77°F), with an average of 7°C (45°F). The month sees significant precipitation, totaling 90 mm (3.5 in) over 12 days, coupled with high humidity at 91%. In contrast, November experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 15°C (59°F), averaging 6°C (43°F). This month has more rainy days, totaling 20, and a higher precipitation level of 113 mm (4.4 in), though humidity is lower at 76%. For a detailed look at November weather, check out Rausu weather in November.

May and December present contrasting weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 25°C (77°F) during the day, with an average of 7°C (45°F). This month experiences significant humidity at 91%, accompanied by 90 mm (3.5 inches) of precipitation, typically spread over 12 days. In stark contrast, December brings a colder climate, with temperatures dipping as low as -8°C (18°F) and reaching a maximum of 12°C (54°F), averaging -1°C (30°F). Precipitation is slightly higher at 91 mm (3.6 inches), but over more days, totaling 19. The humidity also decreases to 74%, making December feel much more frigid overall. For further details on December's conditions, visit Rausu weather in December.

Compare Rausu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rausu

As May unfolds in Rausu, the weather begins to shed its winter chill, transitioning into a more temperate ambiance that delights nature enthusiasts. With average temperatures creeping up, the warmth feels distinctly inviting compared to the bone-chilling cold of the preceding months. May's higher humidity and notable precipitation of about 90 mm, spread across approximately 12 days, contribute to a lush, vibrant landscape, refreshing the surroundings after the harsh winter. This season heralds a time of rejuvenation, making it an ideal backdrop for outdoor explorers. For further insights into how Rausu's weather evolves throughout the year, be sure to check out Rausu Climate.