May Weather in Kasuga, Japan

Last updated: August 21, 2025

In May, Kasuga, Japan experiences a captivating blend of climate characteristics, showcasing a maximum temperature reaching a warm 31°C (88°F) and an average of 20°C (68°F), making it a pleasant month for outdoor activities. With a minimum temperature dipping to 7°C (44°F), this period offers a diverse range of temperatures for residents and visitors. However, be prepared for some rain, as the city sees a total precipitation of 163 mm (6.4 in) over 12 days, and humidity levels soar to 84%, contributing to a lush, vibrant landscape. Embrace the seasonal richness of May in Kasuga, where the weather beautifully balances warmth and refreshing showers.

May Temperature in Kasuga

In May, temperatures in Kasuga, Japan begin to embrace the warmth of spring, showing a notable rise compared to the cooler months earlier in the year. Minimums of 7°C (44°F) mark a gentle start to the month, while average daytime temperatures soar to a pleasant 20°C (68°F), inviting outdoor activities and blossoming nature. The maximums can reach a delightful 31°C (88°F), hinting at the transition towards summer. This upward trend from the previous months is striking, with April's averages of 15°C (59°F) feeling like a distant memory. Overall, May serves as a vibrant bridge between the briskness of early spring and the approaching heat of summer, making it a captivating time for visitors and locals alike.

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

The chart illustrates May temperature patterns in Kasuga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasuga, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434452596874808376665546
Data source: Temperature data for Kasuga 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 Kasuga

In May, Kasuga, Japan experiences a significant uptick in precipitation, recording an average of 163 mm (6.4 in), making it the wettest month so far in the year. This spike is accompanied by an increase in rainy days, totaling 12 throughout the month, which contributes to the lush greenery typical of late spring. Building on the earlier months, May's rainfall marks a noticeable trend of escalating precipitation, following April's 115 mm (4.5 in). As the transition into summer approaches, the frequent rain serves to nourish the landscape, setting the stage for the torrential downpours that characterize June and July. This pattern not only highlights May as a crucial month for replenishing soil moisture but also underscores the shift towards the more intense rainy season that follows.

May Precipitation Trends in Kasuga

The chart displays monthly precipitation patterns in Kasuga, 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 Kasuga, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec58801211151631993673032061135268
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kasuga

In Kasuga, Japan, May ushers in a significant rise in humidity, peaking at 84%, a trend that sets the stage for the sultry summer months ahead. After a gradual increase from 71% in the earlier months, the humidity levels escalate sharply in May and continue to climb, reaching 86% by June. This leap illustrates the transition from the more temperate spring to the steamy embrace of summer, where July and August see the highest humidity levels at 92% and 91%, respectively. The rising humidity not only enhances the lushness of the landscape but also signals residents to prepare for the warmth and moisture that define Kasuga's climate in the approaching summer.

May Average Humidity in Kasuga

This chart illustrates the average monthly humidity levels in Kasuga, 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 Kasuga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kasuga

In May, Kasuga, Japan, experiences an extreme UV Index of 11, maintaining the same intensity seen in April. With a burn time of just 10 minutes, it's crucial for sun lovers to take precautions, as this high level of UV radiation can increase the risk of skin damage. The trend toward extreme UV exposure continues through June and July, reinforcing the need for effective sun protection measures. As spring transitions to summer, awareness of these levels is essential for outdoor activities. For detailed insights into daily UV readings throughout the year, check Kasuga UV Index.

Maximum UV Index Levels in Kasuga for May

The chart shows the monthly maximum UV Index (UVI) for Kasuga 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 Kasuga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211764
Data source: Kasuga 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 Kasuga

In May, Kasuga, Japan, basks in a splendid 292 hours of sunshine, making it one of the sunniest months of the year. This bright burst comes after a steady rise in sunlight hours from January's 179 hours, showcasing an invigorating shift as spring takes hold. The trend continues upward through April, culminating in May's peak, before slightly tapering off into the summer months. As the days lengthen and warmth envelops the city, residents and visitors alike can relish the vibrant energy that May sunshine brings. This seasonal crescendo not only enhances outdoor activities but also creates a picturesque backdrop for the blooming nature in the region.

Monthly Sunshine Duration in Kasuga: May Highlighted

The May sunshine duration represents the total number of hours Kasuga 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h232h262h281h292h280h281h304h256h253h236h216h
Data source: Kasuga May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kasuga During May

In Kasuga, Japan, the likelihood of sunny weather in May dips to 30%, marking a notable reduction compared to the brighter spring months of April (41%) and March (34%). This trend indicates that as the region transitions into summer, sunny days become increasingly less common. Interestingly, while May experiences this decline, the peak of sunshine reappears later in the year, with October showcasing a substantial 60% chance of clear skies. Overall, May serves as a transitional period, nestled between the promise of verdant spring and the impending summer heat, but for those hoping for sunny days, September emerges as a more favorable month much like October and November.

Percentage of Sunny Days in May in Kasuga

The chart illustrates the percentage of sunny days in Kasuga 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 Kasuga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%44%34%41%30%22%19%25%30%60%49%43%
Data source: Kasuga May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kasuga in May

In Kasuga, Japan, the month of May brings a delightful continuity of daylight, offering 13 hours that gently mirrors the longer days of April. This trend marks a transition into the vibrant summer months, where daylight extends further to 14 hours in June and July. As spring settles in, the gradual increase from 11 hours in March captures the awakening of nature, while the consistent daylight in May enhances outdoor activities and social gatherings. As the year progresses, daylight begins to wane, but May stands as a hallmark of brightness, celebrating longer evenings that invite exploration and enjoyment.

Average Daylight Hours in Kasuga for May

The chart illustrates the variation in daylight duration in Kasuga throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 57m11h 58m13h13h 53m14h 19m14h 6m13h 20m12h 21m11h 19m10h 25m9h 57m
Data source: Kasuga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kasuga

As spring transitions into summer, May in Kasuga, Japan, showcases a gentle breeze with an average wind speed of 2.6 m/s (6 mph). This tranquil wind speed mirrors that of both April and March, creating a consistent and refreshing atmosphere as the region comes alive with vibrant blossoms. Notably, the winds begin to calm noticeably in the following months, dipping to 1.6 m/s (4 mph) in June, suggesting the onset of the warmer summer season. During this period, Kasuga's residents and visitors can enjoy the mild conditions, as the soft winds invite leisurely strolls through the blooming landscapes, setting the stage for a delightful outdoor experience.

Average May Wind Speed in Kasuga

The chart displays monthly wind speed patterns in Kasuga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.62.72.6 m/s1.62.32.22.22.12.42.7
Data source: Kasuga May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kasuga Compares to Other Months

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

In comparing the weather between May and January, we see a stark contrast in temperatures and conditions. May experiences much warmer temperatures, with a minimum of 7°C (44°F) and an average of 20°C (68°F), peaking at 31°C (88°F). This month also brings significant rainfall, totaling 163 mm (6.4 in) over approximately 12 days, accompanied by high humidity at 84%. In contrast, January is much cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), and an average of just 6°C (43°F). Precipitation is considerably less at 58 mm (2.3 in) over 8 days, with a humidity level of 75%. For a closer look at the weather specifics during January, visit Kasuga weather in January.

May and February present quite distinct weather profiles. In May, temperatures range from a cool 7°C (44°F) to a warm 31°C (88°F), with an average of 20°C (68°F). It’s a notably wetter month, with 163 mm (6.4 in) of precipitation spread across 12 days, accompanied by high humidity at 84%. In contrast, February features much colder temperatures, with a minimum of -3°C (26°F), an average of 7°C (45°F), and a maximum of 22°C (72°F). Precipitation is lighter at 80 mm (3.1 in) over 10 days, and humidity is lower at 71%. For a detailed look at February weather in the region, check out Kasuga weather in February. Overall, May is characterized by warmer temperatures and greater rainfall, while February is cooler and drier.

In comparing the weather between March and May, it's clear that May brings significantly warmer temperatures, with averages of 20°C (68°F) and maximums reaching up to 31°C (88°F), while March has a cooler average of 11°C (52°F) and a maximum of 23°C (73°F). Additionally, May experiences higher humidity at 84% and more precipitation, totaling 163 mm (6.4 in) over about 12 days, compared to March's 121 mm (4.8 in) spread across 11 days and a lower humidity of 71%. This indicates that May is not only warmer but also wetter and more humid than March. For more detailed information, you can visit Kasuga weather in March.

Comparing the weather in April and May, it is evident that May is generally warmer and wetter. In April, temperatures range from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F) and a total precipitation of 115 mm (4.5 in) over 9 days. In contrast, May experiences a broader temperature range, with a minimum of 7°C (44°F), an average of 20°C (68°F), and a maximum of 31°C (88°F). Moreover, May sees increased precipitation, totaling 163 mm (6.4 in) over 12 days, paired with higher humidity levels at 84%, compared to April's 78%. For more detailed insights, check out Kasuga weather in April.

May and June exhibit noticeable differences in weather patterns. May sees a lower minimum temperature of 7°C (44°F) and an average of 20°C (68°F), with maximum temperatures reaching up to 31°C (88°F). The month experiences significant precipitation, totaling 163 mm (6.4 in) over 12 days, and maintains a high humidity level of 84%. In contrast, June boasts a higher minimum temperature of 14°C (58°F) and an average of 23°C (74°F), with maximum temperatures touching 33°C (91°F). While June is slightly wetter, receiving 199 mm (7.8 in) over 14 days, the humidity remains similar at 86%. For more information, check Kasuga weather in June.

May and July exhibit notable differences in weather patterns. May typically sees a minimum temperature of 7°C (44°F) and an average high of 31°C (88°F), while July boasts a significantly warmer minimum of 18°C (64°F) and an average maximum reaching 36°C (98°F). In terms of precipitation, July experiences a substantial increase, with 367 mm (14.4 in) of rainfall over 20 days, compared to May's 163 mm (6.4 in) over 12 days. Additionally, humidity rises in July to 92%, contrasted with May's already high humidity of 84%. For a more detailed look into July's weather conditions, check out Kasuga weather in July.

In comparing the weather between May and August, notable differences emerge in temperature, precipitation, and humidity levels. May experiences milder temperatures, with a minimum of 7°C (44°F) and an average of 20°C (68°F), while August sees significantly warmer conditions, boasting a minimum of 19°C (66°F) and an average of 28°C (83°F). Precipitation is also more pronounced in August, with 303 mm (11.9 in) over 15 days, compared to May's 163 mm (6.4 in) across 12 days. Additionally, humidity levels rise in August, reaching 91%, compared to 84% in May, making the summer month feel more oppressive. For a detailed look at August weather in Kasuga, you can refer to Kasuga weather in August.

May and September exhibit distinct weather patterns, with May marking the transition into warmer months. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). However, this month also sees considerable rainfall, totaling 163 mm (6.4 in) over 12 days, while maintaining a high humidity level of 84%.

In contrast, September is noticeably warmer, with minimum temperatures starting at 13°C (56°F) and peaking at 35°C (96°F), resulting in an average of 24°C (76°F). Rainfall increases to 206 mm (8.1 in) across 15 days, yet the humidity remains consistent at 84%. For a more detailed forecast, you can check Kasuga weather in September.

May and October present distinct weather patterns as the seasons transition. In May, temperatures range from a chilly 7°C (44°F) at night to a warm 31°C (88°F) during the day, with an average temperature of 20°C (68°F). However, this month experiences significantly more rainfall, totaling 163 mm (6.4 in) over about 12 days, and the humidity is notably high at 84%.

In contrast, October brings slightly milder temperatures, with a minimum of 8°C (47°F) and a maximum of 32°C (89°F), averaging around 19°C (67°F). The precipitation is lower at 113 mm (4.5 in) over about 10 days, and humidity remains fairly constant at 83%. For more detailed information on October weather, you can check Kasuga weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). This month also sees significant rainfall, with 163 mm (6.4 in) spread over 12 days, and humidity levels are quite high at 84%. In contrast, November experiences much cooler temperatures, with a minimum of 0°C (32°F), an average of 13°C (56°F), and a maximum of 25°C (77°F). Precipitation is considerably less during this month, totaling 52 mm (2.1 in) over 7 days, and humidity is slightly lower at 81%. For more details about the weather in November, visit Kasuga weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a cool 7°C (44°F) at night to a warm average of 20°C (68°F), peaking at a high of 31°C (88°F). This month experiences substantial rainfall, totaling 163 mm (6.4 in) over approximately 12 days, accompanied by high humidity levels at 84%. In contrast, December offers much colder temperatures, with a minimum of -1°C (31°F) and an average of 8°C (46°F), reaching a maximum of 23°C (73°F). Precipitation is significantly lower at 68 mm (2.7 in) over 8 days, and humidity drops to 79%. For more specific details about the weather in December, you can check Kasuga weather in December.

Compare Kasuga's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kasuga

May in Kasuga heralds a delightful transition into warmer weather, with temperatures climbing notably compared to the cooler months that precede it. The month boasts a pleasant average temperature of 20°C, punctuated by striking highs of up to 31°C, which invites outdoor exploration and enjoyment. However, this warmth is accompanied by humidity levels reaching 84%, contributing to a lush, verdant atmosphere. While May experiences a moderate amount of rainfall over approximately 12 days, the showers are often brief, allowing for ample sunshine. This combination makes May a unique blend of vibrant spring and early summer, showcasing the beauty of Kasuga before the peak heat of summer sets in. To learn more about the climate nuances throughout the year, visit Kasuga Climate.