May Weather in Yokkaichi, Japan

Last updated: August 21, 2025

May in Yokkaichi, Japan is characterized by mild temperatures and a growing sense of warmth as the month progresses. With maximum temperatures reaching up to 31°C (89°F) and an average of 19°C (67°F), the climate invites outdoor activities. However, cooler nights can drop to a minimum of 5°C (42°F). This month sees significant precipitation, totaling 173 mm (6.8 in) over approximately 11 days, contributing to an 83% humidity level that enhances the lush surroundings. Whether you're exploring the vibrant landscapes or enjoying local festivities, May offers a delightful blend of warm days and refreshing rains in Yokkaichi.

May Temperature in Yokkaichi

In Yokkaichi, Japan, May heralds a vibrant transition into warmer weather, with temperatures rising dramatically from the cooler spring months. The average temperature climbs to a comfortable 19°C (67°F), while daytime highs can reach a balmy 31°C (89°F). Nights are pleasantly mild, with lows settling around 5°C (42°F). This month marks a notable shift from April's more temperate conditions, showcasing a significant leap as the region embraces the onset of early summer. As the days grow longer and warmer, Yokkaichi becomes a bustling hub of outdoor activities, inviting residents and visitors alike to enjoy the beauty of the season.

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

The chart illustrates May temperature patterns in Yokkaichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yokkaichi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414250586773808376665545
Data source: Temperature data for Yokkaichi 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 Yokkaichi

In May, Yokkaichi experiences a noticeable uptick in precipitation, receiving 173 mm (6.8 in) of rain over 11 days, marking an increase from the 146 mm (5.7 in) seen in April. This trend highlights the arrival of the rainy season, characterized by a gradual buildup of moisture that is crucial for sustaining the region's lush landscapes. As spring transitions into summer, the frequency and intensity of rainfall continue to rise, setting the stage for the peak monsoon months ahead. The consistent increase in precipitation from March’s 145 mm to May demonstrates a clear pattern of increasing rainfall, vital for both agriculture and the local ecosystem in Yokkaichi.

May Precipitation Trends in Yokkaichi

The chart displays monthly precipitation patterns in Yokkaichi, 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 Yokkaichi, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec50561451461731773192171842835359
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yokkaichi

In Yokkaichi, Japan, May ushers in a notable rise in humidity, reaching 83% as spring gracefully transitions into summer. This trend marks a brief peak compared to the preceding months, with April's humidity at 76%. The shift sets the stage for the sweltering summer ahead, characterized by soaring levels in June at 87% and July, which will hit a steamy 93%. As the year progresses, the humidity levels tend to stabilize between the 81% and 87% range, highlighting Yokkaichi's humid subtropical climate. Therefore, May serves not only as a transitional month but also as a precursor to the intense humidity that defines the region's summer, creating a unique blend of comfort and warmth.

May Average Humidity in Yokkaichi

This chart illustrates the average monthly humidity levels in Yokkaichi, 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 Yokkaichi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Yokkaichi

In May, Yokkaichi experiences a significant shift in UV exposure, with an extreme UV Index of 11, resulting in a burn time of only 10 minutes. This marks the peak of the season, following a gradual increase in UV levels from earlier months, where January started off with a moderate index of 4. As the year progresses, the UV Index escalates sharply, reaching very high levels by March and April, ultimately peaking in May. With such extreme UV conditions, it's crucial for residents and visitors to take protective measures. Understanding these trends is vital for sun safety. For detailed UV insights, visit Yokkaichi UV Index.

Maximum UV Index Levels in Yokkaichi for May

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

May in Yokkaichi, Japan, basks in 283 hours of sunshine, marking it as one of the sunniest months of the year. Following April's promise of 271 hours, May witnesses a notable increase, reinforcing the trend of brightening days as spring transitions into early summer. This gradual ascent in sunlight continues into August, which boasts the highest total with 292 hours, creating a vibrant atmosphere ideal for outdoor activities and exploration. However, as the year progresses, the sunshine hours gradually decline, with September experiencing a drop to 235 hours. Overall, Yokkaichi’s sunshine pattern reflects a beautiful ebb and flow, with May serving as a delightful peak before the summer heat takes over.

Monthly Sunshine Duration in Yokkaichi: May Highlighted

The May sunshine duration represents the total number of hours Yokkaichi 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h221h261h271h283h264h249h292h235h231h231h215h
Data source: Yokkaichi May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yokkaichi During May

In Yokkaichi, Japan, May marks a notable dip in the likelihood of sunny weather, with only a 26% chance of clear skies. This trend shows a decline from April's modest 46%, suggesting that as spring reaches its zenith, residents might need to prepare for more overcast days. Interestingly, May’s sunshine probability is part of a broader pattern, where the summer months generally bring a lower chance of sun, with June and August both hovering around 22% and 26%, respectively. Such trends highlight the transition toward a more humid climate, meaning outdoor plans might be more favorable in early spring or later in the year, particularly in October and November, when sunny days are more prevalent.

Percentage of Sunny Days in May in Yokkaichi

The chart illustrates the percentage of sunny days in Yokkaichi 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 Yokkaichi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%50%41%46%26%22%30%26%28%52%61%58%
Data source: Yokkaichi May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yokkaichi in May

In Yokkaichi, Japan, the progression of daylight duration throughout the year is a fascinating testament to nature's rhythm. Beginning with 10 hours of daylight in both January and February, the days gradually lengthen as spring approaches, reaching 11 hours by March and blooming into 13 hours by April and May. This upward trend continues into June and July, where the longest days shine with 14 hours of daylight, offering ample time for outdoor activities. As summer wanes, daylight begins its gentle descent, tapering down to 13 hours in August and 12 hours in September. By October, daylight narrows to 11 hours, and the cycle concludes with shorter days of 10 hours in November and 9 hours in December. Thus, Yokkaichi experiences a vibrant cycle of light, mirroring the changing seasons and inviting both locals and visitors to embrace the beauty of each time of year.

Average Daylight Hours in Yokkaichi for May

The chart illustrates the variation in daylight duration in Yokkaichi throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 3m13h 59m14h 26m14h 12m13h 24m12h 21m11h 16m10h 19m9h 50m
Data source: Yokkaichi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Yokkaichi

In Yokkaichi, Japan, the month of May ushers in a gentle breeze, with an average wind speed of 2.9 m/s (7 mph), slightly lower than the preceding months. This marks a noticeable dip from the steadier winds of 3.6 m/s experienced from January through April, hinting at a transitional period as spring gives way to summer. The trend continues into the summer months, where July records the calmest winds at 2.1 m/s (5 mph), indicating that the warm, still days are just around the corner. Overall, May's winds provide a refreshing yet tranquil atmosphere, perfectly complementing the blooming landscape of the season.

Average May Wind Speed in Yokkaichi

The chart displays monthly wind speed patterns in Yokkaichi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.63.63.62.9 m/s2.52.12.72.42.72.93.3
Data source: Yokkaichi May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Yokkaichi Compares to Other Months

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

May and January present strikingly different weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (89°F), with an average of 19°C (67°F). The month is characterized by relatively high humidity at 83% and significant rainfall, accumulating 173 mm (6.8 in) over 11 days. In contrast, January experiences much colder temperatures, with a minimum of -6°C (21°F) and a maximum of 16°C (62°F), averaging just 5°C (41°F). Precipitation is less frequent in January, totaling 50 mm (2.0 in) across 7 days, while humidity remains slightly lower at 82%. For more specific weather details, check out Yokkaichi weather in January.

May and February exhibit striking differences in weather patterns. In February, temperatures range from a chilly -6°C (22°F) at night to a milder 21°C (69°F) during the day, with an average temperature of 6°C (42°F). In contrast, May enjoys a much warmer climate, with average temperatures soaring to 19°C (67°F) and maximums reaching 31°C (89°F). Precipitation levels are also noticeably different; February sees only 56 mm (2.2 in) over about 5 days, while May experiences significantly more rainfall at 173 mm (6.8 in) across 11 days. Additionally, May's humidity averages around 83%, slightly higher than February's 79%. For more detailed insights into February's climate, visit Yokkaichi weather in February.

In comparing the weather between March and May, a noticeable shift in temperature and humidity occurs. March experiences a cooler climate with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 24°C (75°F) and an average of 10°C (50°F). In contrast, May warms up significantly, boasting a minimum of 5°C (42°F), an average of 19°C (67°F), and a peak of 31°C (89°F). Precipitation levels are also noteworthy; March has 145 mm (5.7 in) of rain over 11 days, while May sees an increase to 173 mm (6.8 in) with the same number of rainy days. Humidity levels rise from 74% in March to a higher 83% in May, contributing to a more humid feel during the latter month. For a more detailed look at March weather, please check Yokkaichi weather in March.

In comparing the weather of April and May, it's clear that May experiences significantly warmer temperatures, with an average of 19°C (67°F) compared to April's 14°C (58°F). May sees higher maximum temperatures, reaching up to 31°C (89°F), while April peaks at 27°C (81°F). However, May also brings more precipitation, with 173 mm (6.8 in) of rain over 11 days, compared to April's 146 mm (5.7 in) over 10 days. Additionally, May has a higher humidity level at 83%, compared to 76% in April. For a closer look at April's weather specifics, you can check out Yokkaichi weather in April.

In comparing the weather between May and June, we can observe some notable differences. May experiences a minimum temperature of 5°C (42°F) and an average of 19°C (67°F), warming up to a maximum of 31°C (89°F). The month typically sees around 173 mm (6.8 in) of precipitation over 11 days, with humidity levels averaging 83%. In contrast, June brings slightly warmer conditions, with minimum temperatures rising to 12°C (54°F) and daily averages increasing to 23°C (73°F), peaking at 32°C (90°F). Precipitation increases marginally to 177 mm (7.0 in) over 14 days, accompanied by a slight rise in humidity to 87%. For a more detailed look at the weather during June, you can visit Yokkaichi weather in June.

May and July showcase significant differences in weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (89°F), with an average of 19°C (67°F). The month experiences moderate precipitation of 173 mm (6.8 in) over 11 days and maintains a humidity level of 83%. In contrast, July is marked by warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching 37°C (99°F), averaging around 27°C (80°F). This month sees increased precipitation, totaling 319 mm (12.6 in) over 23 days, coupled with higher humidity at 93%. For more detailed insights, check out Yokkaichi weather in July.

May and August exhibit notably different weather patterns. In May, the temperatures range from a chilly minimum of 5°C (42°F) to a pleasant average of 19°C (67°F), with maximum highs reaching 31°C (89°F). However, this month experiences significant rainfall, with 173 mm (6.8 in) spread over 11 days and an average humidity of 83%. In contrast, August brings warmer conditions with minimum temperatures starting at 19°C (67°F) and an average of 28°C (84°F), peaking at a scorching 37°C (98°F). Additionally, it sees increased precipitation at 217 mm (8.5 in) over 17 days and higher humidity levels of 91%. For more information, you can check Yokkaichi weather in August.

May and September present distinct weather patterns, highlighting the transitional nature of spring to autumn. In May, temperatures range from a cool 5°C (42°F) to a warmer 31°C (89°F), with an average of 19°C (67°F). It’s a relatively wet month, experiencing 173 mm (6.8 in) of rainfall over 11 days, combined with high humidity at 83%. Conversely, September showcases a more stable warmth, with a minimum temperature of 13°C (56°F) and a maximum soaring to 36°C (98°F), averaging 24°C (76°F). Rainfall increases slightly to 184 mm (7.2 in) over 16 days, accompanied by an even higher humidity level of 87%. For more details about the weather in September, you can check Yokkaichi weather in September.

May and October are both transitional months, but they differ in several key aspects of their weather. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (89°F), with an average of 19°C (67°F). The month experiences about 173 mm (6.8 in) of precipitation over approximately 11 days, and humidity levels hover around 83%. In contrast, October sees slightly milder temperatures, with a minimum of 7°C (46°F) and a maximum of 31°C (88°F), while maintaining a similar average of 19°C (66°F). However, October is wetter, receiving around 283 mm (11.1 in) of rain across 14 days, and humidity increases slightly to 85%. For more specific information about Yokkaichi weather in October, you can check the provided link.

May and November exhibit contrasting weather patterns, reflecting the transition from spring to autumn. In May, temperatures range significantly, with lows of 5°C (42°F) and highs reaching up to 31°C (89°F), averaging around 19°C (67°F). This month sees considerable precipitation, totaling 173 mm (6.8 in) over 11 days, alongside high humidity levels of 83%. In contrast, November experiences cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 24°C (76°F), leading to a much lower average of 13°C (55°F). Additionally, November has only 53 mm (2.1 in) of precipitation over 6 days, maintaining the same humidity level as May at 83%. For more insights into November’s weather, check out Yokkaichi weather in November.

May and December present quite different weather patterns. In May, temperatures can range from a minimum of 5°C (42°F) to a warm maximum of 31°C (89°F), making it a month of warmth and vitality with an average temperature of 19°C (67°F). However, it also comes with significant rainfall, totaling 173 mm (6.8 in) over 11 days, contributing to the high humidity of 83%.

In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -2°C (28°F) and averaging around 7°C (46°F). The max temperature reaches only 21°C (70°F), and the month is considerably drier, receiving just 59 mm (2.3 in) of precipitation over 7 days, while maintaining the same humidity level of 83%. For more details on December weather, you can check out Yokkaichi weather in December.

Compare Yokkaichi's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Yokkaichi

May in Yokkaichi is a transition month that marks the gradual shift from the cool embrace of spring to the warmth of summer. With average temperatures hovering around 19°C, the days begin to warm significantly, reaching a peak of 31°C. However, the weather is not just about rising temperatures; it also brings increased humidity and regular rainfall, totaling 173 mm across approximately 11 days. This combination creates a lush, vibrant environment but can also catch visitors off guard with sudden showers. For those planning to visit, understanding the unique dynamics of May weather is essential; it sets the stage for the hotter summer months while still retaining a hint of spring's charm. For more detailed insights, explore the information at Yokkaichi Climate.