May Weather in Furano, Japan

Last updated: August 21, 2025

May in Furano, Japan presents a delightful transition into warmer weather, characterized by a maximum temperature reaching 30°C (87°F) and a refreshing average of 11°C (52°F). However, visitors should prepare for cooler nights, with temperatures dipping to a minimum of 0°C (32°F). This month experiences a notable precipitation total of 106 mm (4.2 in) over approximately 14 rainy days, contributing to the region's lush landscapes while also creating a humidity level of 86%. Embrace the moderate climate and scenic beauty that May offers in this charming part of Japan.

May Temperature in Furano

In Furano, Japan, the month of May marks a significant transition in temperatures, showcasing a delightful warming trend as winter fades away. With minimums rising to 0°C (32°F) and average temperatures reaching a pleasant 11°C (52°F), the region begins to embrace the beauty of spring. Daytime highs can soar up to a striking 30°C (87°F), making it one of the warmer months of the year. This shift not only invites outdoor activities but also paints the landscape with vibrant colors as flora awakens. As the air grows milder compared to the preceding chill of April, May offers a charming balance of crisp mornings and sunny afternoons, enticing visitors to explore the region's natural splendor.

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

The chart illustrates May temperature patterns in Furano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Furano, 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).
JanFebMarAprMayJunJulAugSepOctNovDec151828395157666559473420
Data source: Temperature data for Furano 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 Furano

In May, Furano, Japan, experiences a notable increase in precipitation, totaling 106 mm (4.2 in), making it one of the wetter months of the year. This uptick is accompanied by a moderate 14 days of rainfall, setting the stage for lush landscapes as spring fully unfolds. Following April’s 89 mm, this increase reflects a trend of rising precipitation as the season progresses, with June and August exhibiting even higher totals. As the days grow warmer and vegetation thrives, May’s ample rainfall plays a crucial role in nurturing the region’s stunning natural beauty.

May Precipitation Trends in Furano

The chart displays monthly precipitation patterns in Furano, 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 Furano, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61819889106111107176119152137106
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Furano

In Furano, Japan, the humidity begins to rise noticeably as spring transitions into summer. May stands out with a humidity level of 86%, marking a peak compared to the preceding months of January through April, where the figures hovered between 81% and 84%. This increase signals the approach of the sultry summer months, with June following closely at 87%. As temperatures climb, so does the moisture in the air, culminating in the sweltering conditions of July and August, when humidity reaches a staggering 93% and 95% respectively. Overall, Furano's climate showcases a clear upward trend in humidity from May onwards, inviting visitors to embrace the region's lush, vibrant landscapes as they bloom in response to the warming atmosphere.

May Average Humidity in Furano

This chart illustrates the average monthly humidity levels in Furano, 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 Furano 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 Furano

As spring transitions into summer, the UV Index in Furano, Japan reaches a striking peak in May, soaring to 9, which falls within the very high exposure category and dramatically reduces safe sun exposure time to just 15 minutes. This sharp increase from April's 7 highlights a notable trend of intensifying UV radiation as daylight lengthens and temperatures rise. Following May, the UV Index remains equally fierce through June, July, and August, consistently hitting the maximum level of 10. To protect against the sun's harmful effects during this period, it's essential for residents and visitors alike to stay informed and take necessary precautions. For further details on UV levels throughout the year, visit Furano UV Index.

Maximum UV Index Levels in Furano for May

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

In May, Furano, Japan basks in an impressive 300 hours of sunshine, marking it as a highlight of the year. This vibrant month follows a pattern of increasing daylight, with sunshine hours steadily climbing through the spring months—from 158 hours in January to 281 hours in April. The warmth of May not only brings longer days but also sets the stage for the lush landscapes and colorful blooms that define this picturesque region. After May, the sunshine slightly dips in June to 289 hours, yet the overall trend remains robust, showcasing Furano’s near-constant embrace of sunlight as summer approaches. The month perfectly encapsulates the transition from the briskness of spring to the full embrace of summer’s warmth, making it an ideal time to experience the beauty and charm of this enchanting part of Japan.

Monthly Sunshine Duration in Furano: May Highlighted

The May sunshine duration represents the total number of hours Furano 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.
JanFebMarAprMayJunJulAugSepOctNovDec158h203h251h281h300h289h293h272h256h228h188h188h
Data source: Furano May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Furano During May

In Furano, Japan, the likelihood of sunny weather experiences a notable fluctuation throughout the year. As April transitions into May, the chance of sunshine dips to 19%, signaling a shift from the more promising 35% in April. This decrease indicates that while spring is on the horizon, May tends to be less favorable for sun-seekers. However, the sun's return is just around the corner, with June jumping back up to 38%, showcasing the vibrant and sunny summer months ahead. Overall, while May may not be the sunniest month, the gradual increase leading into summer suggests brighter days are on the horizon.

Percentage of Sunny Days in May in Furano

The chart illustrates the percentage of sunny days in Furano 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 Furano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%22%32%35%19%38%27%24%33%30%29%29%
Data source: Furano May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Furano in May

As spring unfolds into summer in Furano, Japan, the daylight duration shows a remarkable upward trend. Starting from 9 hours in January, the days gradually lengthen, adding an extra hour by February and extending to 11 hours by March. April sees a notable leap to 13 hours, and by May, daylight reaches an inviting 14 hours, setting the stage for vibrant outdoor activities. The increase continues, peaking in June and July with 15 hours of daylight, before gently tapering off in August. As summer wanes, the daylight dims, settling back to 12 hours in September and 10 hours by October. This pattern highlights Furano’s enchanting transition from the shorter, colder days of winter to the long, sunlit days of summer, perfect for appreciating the region's breathtaking natural beauty.

Average Daylight Hours in Furano for May

The chart illustrates the variation in daylight duration in Furano throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 29m11h 56m13h 25m14h 41m15h 19m15h13h 53m12h 28m10h 59m9h 41m9h
Data source: Furano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Furano

In May, Furano experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), slightly lower than the preceding months of April and March, where winds reached up to 3.2 m/s (7 mph) and 2.9 m/s (6 mph) respectively. This mild wind marks the transition into warmer months, as spring begins to settle. Notably, June sees a continued decline to 2.1 m/s (5 mph), hinting at a pattern of gradually decreasing winds leading into summer. Throughout the year, it’s clear that winter months exhibit the highest wind speeds, while the calmness of late spring and summer characterizes Furano's serene landscape, making it a perfect time to enjoy the blooming fields and clear skies.

Average May Wind Speed in Furano

The chart displays monthly wind speed patterns in Furano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.93.22.6 m/s2.11.72.01.92.32.72.7
Data source: Furano May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Furano Compares to Other Months

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

May and January present stark contrasts in weather. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 30°C (87°F), with an average of 11°C (52°F). This month sees significant precipitation, totaling 106 mm (4.2 in) over 14 days, accompanied by high humidity at 86%. Conversely, January features a much harsher climate, with temperatures plunging to a minimum of -25°C (-13°F) and an average of -9°C (16°F), peaking at just 3°C (37°F). Precipitation during this winter month is lower at 61 mm (2.4 in) but occurs over more days, totaling 16, while humidity remains relatively low at 84%. For a more detailed look at January conditions, visit Furano weather in January.

May and February present strikingly different weather patterns. In May, temperatures range from a chilly 0°C (32°F) at the minimum to a warm 30°C (87°F) at the maximum, with an average of 11°C (52°F). The humidity rises to a notable 86%, and while there is a substantial amount of precipitation at 106 mm (4.2 in), it falls over 14 days. In contrast, February experiences much colder conditions, with temperatures dipping as low as -22°C (-7°F) and peaking only at 6°C (44°F), resulting in an average of -8°C (18°F). Although February sees a slightly lower total precipitation of 81 mm (3.2 in), it occurs over more days, totaling 19, and the humidity remains relatively low at 83%. For those interested in the specifics of February weather, you can find more information at Furano weather in February.

When comparing the weather in May and March, there is a notable difference in temperature and overall climate. May experiences a significant rise in temperatures, with minimums of 0°C (32°F) and averages around 11°C (52°F), reaching a maximum of 30°C (87°F). In contrast, March still grapples with winter's chill, featuring minimum temperatures of -15°C (5°F) and an average of -2°C (29°F), peaking at 12°C (54°F). The precipitation levels are quite similar, with May bringing 106 mm (4.2 in) of rain over 14 days, while March records slightly less at 98 mm (3.9 in) across 15 days. Additionally, May's humidity is higher at 86%, compared to March's 81%. For more insights on March weather specifically, you can check this link: Furano weather in March.

May generally offers milder weather compared to April, with average temperatures rising significantly from 4°C (39°F) in April to 11°C (52°F) in May. The minimum temperature in May rarely drops below 0°C (32°F), while April can see lows plummet to -11°C (12°F). Although May experiences slightly more precipitation at 106 mm (4.2 in) over 14 days compared to April's 89 mm (3.5 in) over 15 days, the increase in humidity to 86% in May makes it feel warmer. For those interested in the specifics of April's weather, more information can be found here: Furano weather in April.

In comparing the weather between May and June, May showcases a broader temperature range, with a minimum of 0°C and a maximum reaching 30°C. The average temperature in May is notably lower at 11°C compared to June's average of 14°C. Both months experience significant precipitation, with May totaling 106 mm over 14 days and June slightly higher at 111 mm over 13 days. Humidity remains relatively constant, with May at 86% and June at 87%. For more detailed insights on June's weather, you can check Furano weather in June.

The weather in May and July showcases a notable transition in temperature and humidity. In May, temperatures can drop as low as 0°C (32°F) with an average of 11°C (52°F), peaking at a warm 30°C (87°F). Contrarily, July brings warmer conditions, with minimum temperatures of 8°C (47°F) and an average reaching 19°C (67°F), though the maximum remains slightly lower at 29°C (85°F). Both months experience similar precipitation levels, around 106-107 mm (4.2 in), but July is characterized by increased humidity at 93% compared to May's 86%. For a deeper insight into July weather specifics, you can explore Furano weather in July.

May and August showcase distinct weather patterns, with May experiencing a wider range of temperatures, from a chilly 0°C (32°F) to a warm 30°C (87°F). The average temperature in May hovers around 11°C (52°F), accompanied by significant rainfall of 106 mm (4.2 in) over 14 days, leading to relatively high humidity at 86%. In contrast, August offers milder conditions with minimum temperatures starting at 8°C (46°F) and averaging 19°C (66°F). Although the maximum temperature remains the same at 30°C (86°F), August sees increased precipitation totaling 176 mm (6.9 in) over 18 days and even higher humidity at 95%. For more specific details about August weather, you can visit Furano weather in August.

In comparing the weather of May and September, we see distinct differences in temperature and precipitation levels. May experiences a wider range of temperatures, with an average of 11°C (52°F), whereas September showcases a milder average of 15°C (59°F). While both months have a similar number of rainy days—14—the total precipitation is slightly higher in September at 119 mm (4.7 in) compared to May's 106 mm (4.2 in). Humidity levels remain consistent, with May at 86% and September at 88%. Overall, September offers a more stable and warmer climate as we transition into autumn. For more detailed insights, you can check out Furano weather in September.

May and October present contrasting weather patterns in terms of temperature and precipitation. In May, temperatures range from a chilly 0°C (32°F) at night to a warm peak of 30°C (87°F) during the day, with an average of 11°C (52°F). This month experiences about 106 mm (4.2 in) of rainfall over 14 days, coupled with high humidity at 86%. Conversely, October brings cooler temperatures, with nighttime lows dipping to -4°C (26°F) and daytime highs reaching up to 22°C (72°F). The average temperature drops to 8°C (47°F), while precipitation increases to 152 mm (6.0 in) over 17 days, and humidity remains relatively high at 83%. For more details, you can check out Furano weather in October.

May and November present a stark contrast in weather. In May, temperatures can range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average temperature of 11°C (52°F). This month experiences significant precipitation at 106 mm (4.2 in) over about 14 days, accompanied by high humidity at 86%. In comparison, November ushers in a much cooler climate, with temperatures dropping to a minimum of -17°C (2°F) and peaking at just 14°C (58°F), leading to an average of 1°C (34°F). Rainfall increases to 137 mm (5.4 in) over 23 days, and humidity levels decrease slightly to 79%. For more specific details about the conditions in November, check out Furano weather in November.

May and December present starkly contrasting weather conditions. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 30°C (87°F), with an average of 11°C (52°F). This month experiences 106 mm (4.2 in) of precipitation over 14 days, accompanied by high humidity levels of 86%. In contrast, December features a much colder climate, with temperatures plummeting to a minimum of -22°C (-8°F) and averaging -7°C (21°F), reaching a maximum of 11°C (53°F). Interestingly, December also sees the same amount of precipitation (106 mm or 4.2 in), but it falls over a longer period of 24 days, alongside a slightly lower humidity of 80%. For more details on the specific weather characteristics of December in Furano, you can visit Furano weather in December.

Compare Furano's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Furano

As May unfolds in Furano, the weather signals a vibrant transition from the lingering chill of winter to the awaited warmth of summer. The average temperatures begin to rise, offering a pleasant relief compared to the cooler months, with maximums even reaching 30°C (87°F) on the warmest days. However, May is also characterized by its increased humidity and a notable amount of precipitation, with frequent showers that refresh the landscape. This blend of warmth and moisture cultivates a lush and picturesque environment, making it a unique month in the Furano climate calendar. To learn more about how the weather differs throughout the year, explore Furano Climate.