May Weather in Toyooka, Japan

Last updated: August 21, 2025

May in Toyooka, Japan offers a delightful blend of mild temperatures and regular rainfall. With a maximum temperature reaching 30°C (87°F) and an average of 18°C (65°F), the month is warm but comfortable. However, temperatures can dip as low as 4°C (40°F), reminding visitors to be prepared for varying conditions. Rainfall is notable, with 127 mm (5.0 in) recorded over 11 days, contributing to the region's lush greenery. The humidity levels peak at 84%, creating a refreshing atmosphere that enhances the beauty of Toyooka's landscape throughout this vibrant spring month.

May Temperature in Toyooka

In Toyooka, Japan, May marks a delightful transition into warmer weather, showcasing a significant rise in temperatures after the chill of winter. The month begins with a pleasant minimum of 4°C (40°F), rising to an average of 18°C (65°F) and peaking at a maximum of 30°C (87°F). This represents a clear upward trend from April, where temperatures are notably cooler, signifying the arrival of spring's warmth. As the days grow longer and the air becomes milder, May invites residents and visitors alike to enjoy outdoor activities, surrounded by the lush greenery and blooming flora that define this vibrant season in Toyooka.

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

The chart illustrates May temperature patterns in Toyooka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toyooka, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394047556470798173645344
Data source: Temperature data for Toyooka 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 Toyooka

May in Toyooka, Japan, showcases a notable shift in precipitation patterns as the region transitions into the warm months. With 127 mm (5.0 in) of rainfall over 11 days, May maintains a steady level of moisture compared to the preceding months, specifically April, which recorded slightly higher precipitation. This moderate rainfall contributes to the vibrant greenery as spring flourishes. Looking ahead, the precipitation levels increase significantly in June, suggesting that May serves as a gentle precursor to the more intense rainy season that follows. The trend indicates that while May remains relatively dry compared to the peak summer months, it still plays an essential role in establishing the lush landscape characteristic of Toyooka.

May Precipitation Trends in Toyooka

The chart displays monthly precipitation patterns in Toyooka, 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 Toyooka, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec898913714012820933927425921869116
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Toyooka

May in Toyooka, Japan, brings a noticeable rise in humidity, peaking at 84%. As spring transitions into early summer, residents feel the transition as a significant jump from April's 74%. This uptick sets the stage for the approaching muggy months of June and July, where humidity levels soar to 86% and 92%, respectively. Interestingly, the gradual increase in humidity from the start of the year displays a clear trend: as winter's chill fades, the air grows more saturated, creating an environment rich in warmth and moisture. This natural progression highlights Toyooka's climatic patterns, where May acts as a bridge between the cool spring and the humid summer ahead.

May Average Humidity in Toyooka

This chart illustrates the average monthly humidity levels in Toyooka, 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 Toyooka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Toyooka

As spring transitions into summer, Toyooka, Japan, experiences a dramatic rise in the UV Index throughout May, reaching an extreme level of 11. This significant increase from April's 10 signals a sharp decline in safe sun exposure, with a mere 10 minutes becoming the maximum burn time for unprotected skin. Such high levels of UV radiation emphasize the importance of sun safety measures during this month. Comparatively, the UV Index has consistently risen since January, where a moderate exposure level of 4 was recorded. As we move further into the year, the UV Index remains at the extreme level of 11 for June, July, and August, suggesting that residents and visitors should be vigilant in their sun protection strategies during this time. For more details, you can check the local UV trends at Toyooka UV Index.

Maximum UV Index Levels in Toyooka for May

The chart shows the monthly maximum UV Index (UVI) for Toyooka 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 Toyooka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Toyooka 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 Toyooka

In Toyooka, Japan, May shines as a highlight in the annual sunshine calendar, boasting 291 hours of glorious sunlight. After a steady increase from January's 166 hours to April's 277 hours, May emerges as the peak of the early summer season, showcasing the region’s transition into a warmer, brighter time of year. Following May, June experiences a slight dip to 276 hours, but the warm sunshine continues through the summer months, reaching a new high with 294 hours in August. This pattern reflects a delightful trend where sunshine hours build up from winter's low, enriching outdoor experiences and inviting residents and visitors alike to enjoy the natural beauty of Toyooka.

Monthly Sunshine Duration in Toyooka: May Highlighted

The May sunshine duration represents the total number of hours Toyooka 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.
JanFebMarAprMayJunJulAugSepOctNovDec166h201h246h277h291h276h270h294h237h229h220h202h
Data source: Toyooka May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Toyooka During May

As the seasons transition in Toyooka, Japan, the likelihood of sunny weather in May dips to 27%, marking a notable decline from the sunnier days of April at 43%. This trend reflects a shift as spring gives way to the early hints of summer, with May often bringing increased cloudiness and precipitation. Following its peak in November at 50%, sunny chances steadily rise again toward the end of the year, suggesting that while May may not be the sunniest month, the region's weather is preparing for the brighter days ahead. So, while May may not offer the best chance for sunbathing, it remains a beautiful time to enjoy the lush greenery that accompanies Japan's vibrant spring.

Percentage of Sunny Days in May in Toyooka

The chart illustrates the percentage of sunny days in Toyooka 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 Toyooka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%42%36%43%27%22%32%24%26%44%50%37%
Data source: Toyooka May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Toyooka in May

As the year unfolds in Toyooka, Japan, a noticeable evolution in daylight duration captures the essence of each season. Starting with a modest 10 hours of daylight in both January and February, the days gradually lengthen, reaching 11 hours by March. The arrival of April breathes new life with an increase to 13 hours, paving the way for May, which shines brightly with the longest daylight of the year at 14 hours. This trend persists through June and July, ensuring ample sunlight for outdoor activities. As summer wanes into August, daylight begins to recede slightly to 13 hours, with a further decline in September to 12 hours. The transition into autumn heralds shorter days, dipping back to 11 hours in October and eventually resting at 9 hours by December. This rhythmic cycle of light and darkness beautifully underscores the changing seasons in Toyooka, creating a dynamic backdrop for both residents and visitors alike.

Average Daylight Hours in Toyooka for May

The chart illustrates the variation in daylight duration in Toyooka throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Toyooka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Toyooka

In May, Toyooka, Japan experiences a gentle average wind speed of 3.0 m/s (7 mph), marking a shift to calmer breezes as spring transitions into summer. This is part of a gradual decline in wind speed observed from April's 3.2 m/s, suggesting that the city enjoys a more tranquil atmosphere as temperatures warm. As the summer months approach, the winds continue to soften, reaching 1.9 m/s (4 mph) by July. The overall trend indicates a decrease in wind vigor from winter's chill, where speeds hover around 3.5 m/s in January, to the milder spring and summer months. This calming of the winds in May not only enhances the serene beauty of Toyooka’s landscapes but also invites locals and visitors alike to relish the gentle warmth of the season.

Average May Wind Speed in Toyooka

The chart displays monthly wind speed patterns in Toyooka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.63.33.23.0 m/s2.31.92.62.42.63.03.4
Data source: Toyooka May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Toyooka Compares to Other Months

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

May and January present starkly contrasting weather dynamics. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (87°F), with an average of 18°C (65°F). The month experiences considerable warmth and high humidity at 84%, accompanied by 127 mm (5.0 in) of precipitation over 11 days. In contrast, January is characterized by much colder conditions, with temperatures dipping as low as -6°C (22°F) and peaking at 15°C (60°F), averaging only 4°C (39°F). This month sees less precipitation at 89 mm (3.5 in), but it stretches over more days, totaling 18, while maintaining a slightly lower humidity level of 82%. For a deeper look into January weather specifics, check Toyooka weather in January.

May and February present markedly different weather patterns. In May, temperatures range from a chilly 4°C (40°F) to a warm 30°C (87°F), averaging around 18°C (65°F). This month experiences more precipitation, with 127 mm (5.0 in) falling over 11 days, and humidity levels are relatively high at 84%. In contrast, February is cooler, with temperatures spanning from -7°C (19°F) to a mild 21°C (69°F), averaging just 4°C (40°F). Despite having more rainy days, February sees less total precipitation at 89 mm (3.5 in) and slightly lower humidity at 79%. For more detailed insights, visit Toyooka weather in February.

In comparing the weather of May and March, May typically presents a warmer profile with average temperatures ranging from a cool 4°C (40°F) to a high of 30°C (87°F), while March showcases a chillier range from -2°C (28°F) to a maximum of 22°C (71°F). Precipitation levels are relatively similar, with May receiving 127 mm (5.0 in) over 11 days, while March has slightly higher precipitation at 137 mm (5.4 in) across 14 days. Notably, humidity is quite high in May at 84%, compared to a more comfortable 73% in March. For a detailed look at March weather trends, you can refer to Toyooka weather in March.

In comparing the weather between April and May, we can see a noticeable shift in temperatures and humidity. May typically experiences higher temperatures, with an average of 18°C (65°F) and maximums reaching 30°C (87°F), while April's average is cooler at 13°C (55°F) with a maximum of 27°C (81°F). Despite slightly lower precipitation levels in May, with 127 mm (5.0 in) over 11 days compared to April's 140 mm (5.5 in) over 13 days, May is significantly more humid at 84%, compared to April's 74%. For more detailed insights into April's weather, you can visit Toyooka weather in April.

May and June present a notable transition in weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (87°F), with an average temperature of 18°C (65°F) and a precipitation total of 127 mm (5.0 in) over 11 rainy days. The humidity level sits at a high 84%. In contrast, June experiences warmer temperatures, with a minimum of 10°C (51°F), an average of 21°C (70°F), and a peak of 31°C (87°F). However, the precipitation increases significantly to 209 mm (8.2 in) across 14 days, accompanied by slightly higher humidity at 86%. For more detailed information, you can refer to Toyooka weather in June.

May and July present distinct weather patterns that reflect the transition from spring to summer. In May, temperatures range from a cool minimum of 4°C (40°F) to a comfortable average of 18°C (65°F), peaking at a warm 30°C (87°F). This month also experiences 127 mm (5.0 in) of precipitation over 11 days, contributing to a relatively high humidity level of 84%. In contrast, July sees higher temperatures, with a minimum of 18°C (65°F) and an average of 26°C (79°F), reaching a maximum of 35°C (95°F). The rainfall is significantly heavier, totaling 339 mm (13.4 in) across 21 days, and the humidity increases to 92%. Overall, while May offers mild weather with moderate precipitation, July brings intense summer heat and increased rainfall. For more specifics on July weather, check out Toyooka weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a brisk 4°C (40°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (65°F). The month experiences 127 mm (5.0 in) of precipitation over 11 days and maintains a humidity level of 84%. In stark contrast, August sees much warmer temperatures, with lows of 18°C (64°F) and highs soaring up to 36°C (98°F), averaging 27°C (82°F). Precipitation rises significantly to 273 mm (10.8 in) across 16 days, and humidity increases to 92%. For more specific details about August weather, you can visit Toyooka weather in August.

May and September offer distinct weather experiences. In May, temperatures range from a cool 4°C (40°F) to a warm 30°C (87°F), with an average of 18°C (65°F). The month sees about 127 mm (5.0 in) of precipitation over approximately 11 days, contributing to a relatively high humidity of 84%. In contrast, September features warmer temperatures with a minimum of 13°C (56°F), an average of 23°C (74°F), and a maximum of 34°C (94°F). However, it is also wetter, receiving 259 mm (10.2 in) of rain across 18 days and maintaining a slightly higher humidity level of 87%. For a more detailed look at September weather, you can visit Toyooka weather in September.

May and October exhibit some similarities in temperature averages, both hovering around 18°C (65°F), but they differ notably in their minimum and maximum temperatures. May experiences a wider range, with lows of 4°C (40°F) and highs reaching up to 30°C (87°F), while October's temperatures are milder, with a minimum of 9°C (48°F) and holding steady at a maximum of 30°C (85°F). Additionally, October is characterized by significantly higher precipitation, totaling 218 mm (8.6 in) over 16 days compared to May’s 127 mm (5.0 in) across 11 days. The humidity levels are comparable between the two months, with October at 85% and May at 84%. For a more detailed look at October weather specifics, check out Toyooka weather in October.

May and November present distinctly different weather profiles, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 4°C (40°F) to a warm average of 18°C (65°F), with highs reaching up to 30°C (87°F), making it a much warmer month overall. Precipitation in May is higher, with 127 mm (5.0 in) falling over 11 days, combined with high humidity at 84%. In contrast, November experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (53°F), while the maximum temperature reaches only 24°C (76°F). Precipitation is also lower in November at 69 mm (2.7 in) over the same number of days, yet humidity remains constant at 84%. For more detailed insights, you can check the Toyooka weather in November.

May and December present contrasting weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a pleasant average of 18°C (65°F), peaking at 30°C (87°F). With an average humidity of 84% and approximately 127 mm (5.0 in) of precipitation over 11 days, May feels relatively warm and humid, signaling the onset of summer.

In contrast, December sees much cooler temperatures, with a minimum of -2°C (29°F) and an average of 6°C (44°F), while highs can reach up to 21°C (71°F). Although December experiences slightly less precipitation (116 mm or 4.6 in) spread across 19 days, the humidity remains relatively high at 82%. This month epitomizes winter's chill as detailed in Toyooka weather in December.

Compare Toyooka's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Toyooka

As May unfolds in Toyooka, the weather begins to transition from the coolness of early spring to a warmer, more vibrant atmosphere. With average temperatures rising to a pleasant 18°C, the month sees a notable increase in humidity, averaging around 84%, which contributes to the lush landscape. While May experiences 127 mm of precipitation over approximately 11 days, it typically marks the end of the drier, cooler months, paving the way for the summer heat. This unique blend of warmth and rain fosters a refreshing growth in flora, making May a beautiful time to experience the region. For more insights into Toyooka's climate throughout the year, visit Toyooka Climate.