May Weather in Kagoshima, Japan

Last updated: August 21, 2025

May in Kagoshima, Japan offers a warm and humid climate that invites both locals and visitors to embrace the beauty of this vibrant city. With maximum temperatures reaching 31°C (88°F), the days are pleasantly warm, while the average temperature of 21°C (70°F) provides a comfortable respite in the evenings. However, with minimum temperatures dropping to 8°C (47°F), it’s wise to be prepared for cooler nights. The month sees significant rainfall, accumulating to 260 mm (10.2 in) over just 12 days, contributing to the lush greenery of the region. Humidity levels hover around 83%, accentuating the tropical feel as nature thrives. Overall, May in Kagoshima is a delightful blend of warmth, moisture, and vibrant life, perfect for exploring the rich landscape and cultural offerings.

May Temperature in Kagoshima

In Kagoshima, Japan, May marks a delightful transition into warmer weather, with temperatures showcasing an inviting range: a minimum of 8°C (47°F), an average of 21°C (70°F), and a maximum reaching up to 31°C (88°F). This month stands out as a significant warming period compared to the cooler spring months, reflecting a steady increase in temperatures from April’s charming 6°C (44°F) low and 17°C (63°F) average. As nature blooms, the rise in warmth encourages outdoor activities and cultural celebrations, making May an ideal time to experience the region's vibrant lifestyle. With June just around the corner, the increasing trend hints at even hotter days ahead, but for now, May offers a perfect balance of warmth and comfort that sets the stage for summer adventures.

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

The chart illustrates May temperature patterns in Kagoshima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kagoshima, 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).
JanFebMarAprMayJunJulAugSepOctNovDec484956636975818379716051
Data source: Temperature data for Kagoshima 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 Kagoshima

In May, Kagoshima experiences a significant leap in precipitation, with 260 mm (10.2 in) of rain falling over just 12 days—the month marks the transition towards the region's wetter season. This figure is notably higher than the amounts recorded in previous months, such as 147 mm in April and 170 mm in March, indicating an escalation in rainfall as summer approaches. The increased precipitation not only refreshes the lush landscapes but also sets the stage for the even more intense rains of June, which sees a staggering 423 mm (16.7 in) over 18 days. Such patterns highlight how May serves as a pivotal point, where the rainfall begins to ramp up significantly, ushering in the lush greenery that characterizes Kagoshima's summer months.

May Precipitation Trends in Kagoshima

The chart displays monthly precipitation patterns in Kagoshima, 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 Kagoshima, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec531031701472604234031922541379782
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kagoshima

As May rolls into Kagoshima, Japan, the humidity reaches a notable 83%, marking a peak in the gradual increase seen since the beginning of the year. This month builds on April's 79% humidity, signaling the onset of the warmer summer months. The trend is clear: from the cooler, drier air of January at 72%, humidity steadily climbs, culminating in the sweltering 90% expected in July. As the rainier season approaches, May serves as a transitional phase, where the lush greenery of Kagoshima flourishes under the embrace of increasing moisture. Visitors should be prepared for this significant humidity, as it sets the stage for the vibrant, yet humid summer that follows.

May Average Humidity in Kagoshima

This chart illustrates the average monthly humidity levels in Kagoshima, 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 Kagoshima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kagoshima

As May arrives in Kagoshima, Japan, the UV Index escalates to a striking 12, marking it as an extreme exposure category. With a burn time of just 10 minutes, sun enthusiasts need to be extra cautious during this month, as the sun's intensity is at its peak, paralleling the trends set in April. The progression from a moderate index of 5 in January to the extreme levels seen in May highlights a noticeable shift toward increased solar exposure as spring transitions into summer. This pattern not only emphasizes the importance of sun protection but also signals the imminent arrival of summer months, where UV levels remain consistently high. For those planning outdoor activities, it’s crucial to stay informed and prepared. For more details, visit Kagoshima UV Index.

Maximum UV Index Levels in Kagoshima for May

The chart shows the monthly maximum UV Index (UVI) for Kagoshima 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 Kagoshima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610111212121311864
Data source: Kagoshima 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 Kagoshima

As May unfolds in Kagoshima, Japan, the city basks in the warm embrace of 283 hours of sunshine, creating an inviting atmosphere for outdoor adventures and leisurely strolls. This month marks a slight dip from April's peak of 289 hours, yet it still shines brightly compared to the preceding months. The trend reveals a gradual increase in sunshine hours as winter recedes, with January's mere 188 hours transforming into the vibrant spring days of May. Following this bustling period, the summer months promise even longer days, with August boasting an impressive 315 hours. The dynamic shifts in sunlight throughout the year highlight Kagoshima’s transition from the cozy calm of winter to the energetic brilliance of summer, making May an ideal time to revel in nature's beauty and embrace the spirit of renewal.

Monthly Sunshine Duration in Kagoshima: May Highlighted

The May sunshine duration represents the total number of hours Kagoshima 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h233h267h289h283h255h286h315h274h264h244h227h
Data source: Kagoshima May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kagoshima During May

As spring gives way to summer, Kagoshima experiences a significant drop in the likelihood of sunny weather in May, with only a 24% chance of sunshine. This decline marks a notable contrast to the preceding months, where the sun was more likely to make an appearance—April, for instance, enjoys a 40% chance. Following May, the trend continues downward, with June and July seeing even lower probabilities of sunny days at 17% and 20% respectively. This pattern highlights a shift towards a more humid and overcast season, as the city prepares for the summer heat and increased rainfall. Thus, if you're planning a visit in May, a bit of rain might be in the forecast along with some limited sunshine!

Percentage of Sunny Days in May in Kagoshima

The chart illustrates the percentage of sunny days in Kagoshima 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 Kagoshima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%45%39%40%24%18%20%30%41%59%51%50%
Data source: Kagoshima May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kagoshima in May

As spring blossoms into summer, Kagoshima, Japan, experiences a delightful increase in daylight duration. In May, daylight extends to 13 hours, marking a noticeable leap from the 12 hours enjoyed in April. This pattern of growing light continues into June, where the days stretch even longer to 14 hours, creating a picturesque backdrop for outdoor activities and vibrant local festivities. Following this peak, the daylight begins to taper off slightly in July and August, settling back to 13 hours. Overall, the progression from winter's shorter days to the bright, sunlit hours of late spring and early summer showcases a beautiful transformation, invigorating both nature and the spirit of the region.

Average Daylight Hours in Kagoshima for May

The chart illustrates the variation in daylight duration in Kagoshima throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 19m11h 2m11h 59m12h 56m13h 45m14h 9m13h 57m13h 15m12h 19m11h 22m10h 32m10h 6m
Data source: Kagoshima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kagoshima

In Kagoshima, Japan, the May wind flutters gently with an average speed of 2.7 m/s (6 mph), just slightly lower than the breezy conditions experienced in the preceding months. As spring transitions into early summer, the winds show a subtle decline from the April average of 3.1 m/s (7 mph). This reduction is part of a broader trend observed from January’s brisk start through to June, where winds gradually lessen, reaching their calmest point of 2.2 m/s (5 mph) in June. Notably, while May offers a softer breeze, it still maintains a delightful atmosphere, ushering in warmth and vibrant blossoms, making it an ideal time for outdoor activities amid Kagoshima's stunning landscapes.

Average May Wind Speed in Kagoshima

The chart displays monthly wind speed patterns in Kagoshima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.72.83.12.7 m/s2.22.82.92.32.43.03.5
Data source: Kagoshima May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kagoshima Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a pleasant average of 21°C (70°F), reaching a maximum of 31°C (88°F). This month also experiences significant precipitation, with 260 mm (10.2 in) falling over approximately 12 days, contributing to a high humidity level of 83%. In stark contrast, January features cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at a comfortable 21°C (69°F). The precipitation during this month is much less, at 53 mm (2.1 in) over just 6 days, and the humidity is lower at 72%. For more detailed information on January weather, visit Kagoshima weather in January.

In February, the weather is notably cooler with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 21°C (70°F), and an average of 10°C (50°F). It experiences relatively low precipitation, totaling 103 mm (4.0 in) over approximately 10 days, and boasts a humidity level of 68%. In contrast, May ushers in warmer temperatures, with a minimum of 8°C (47°F) and a maximum that can reach 31°C (88°F), averaging around 21°C (70°F). While May has a higher precipitation level of 260 mm (10.2 in) over 12 days, humidity rises to 83%. For a more detailed breakdown of February's weather, you can visit Kagoshima weather in February.

In March, temperatures in Kagoshima range from a minimum of 3°C (38°F) to a maximum of 25°C (76°F), with an average of 13°C (56°F). The month receives around 170 mm (6.7 in) of precipitation over 12 days and has a humidity level of 72%. In contrast, May experiences significantly warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 31°C (88°F), averaging 21°C (70°F). Additionally, May sees higher precipitation at 260 mm (10.2 in) over the same number of days, along with increased humidity at 83%. The shift in weather between these two months clearly highlights the transition from the cooler early spring to the warmer late spring season. For more detailed information, you can check Kagoshima weather in March.

In comparing the weather of April and May, we see a notable increase in temperatures as well as in precipitation. May experiences a minimum temperature of 8°C (47°F) and an average of 21°C (70°F), compared to April's minimum of 6°C (44°F) and average of 17°C (63°F). Additionally, the maximum temperatures rise significantly, peaking at 31°C (88°F) in May, while April's maximum only reaches 27°C (81°F). However, May also brings more rainfall, accumulating 260 mm (10.2 in) over 12 days, compared to April's 147 mm (5.8 in) across 9 days. Humidity increases slightly from 79% in April to 83% in May. For more details on April’s weather, visit Kagoshima weather in April.

In May, the weather features a minimum temperature of 8°C (47°F) and an average of 21°C (70°F), with maximum temperatures reaching 31°C (88°F). Precipitation is significant, amounting to 260 mm (10.2 in) over 12 days, while humidity stands at 83%. In contrast, June sees warmer conditions with a minimum temperature of 15°C (60°F) and an average of 24°C (75°F), peaking at 32°C (89°F). However, rainfall increases to 423 mm (16.7 in) over 18 days, along with slightly higher humidity at 86%. For more detailed information on June's weather patterns, you can visit Kagoshima weather in June.

In comparing the weather between May and July, we see a significant rise in temperature and humidity. May features a mild temperature range with a minimum of 8°C (47°F) and a maximum of 31°C (88°F), while July experiences warmer conditions, with temperatures ranging from 19°C (67°F) to 34°C (94°F). Additionally, July sees increased precipitation, measuring 403 mm (15.9 in) over 23 days, compared to May's 260 mm (10.2 in) over 12 days. The humidity rises as well, reaching 90% in July compared to 83% in May. For more details on July's weather specifics, visit Kagoshima weather in July.

May and August present contrasting weather patterns, showcasing the transition from spring to the height of summer. In May, temperatures range from a comfortable minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average of 21°C (70°F). The month is characterized by significant rainfall, totaling 260 mm (10.2 in) over about 12 days, and a high humidity of 83%. In contrast, August sees much warmer temperatures, with a minimum of 22°C (72°F) and highs reaching up to 36°C (97°F), averaging around 28°C (84°F). August experiences less rainfall, amounting to 192 mm (7.6 in) over 17 days, while maintaining a similar humidity level of 85%. For more details on August conditions, visit Kagoshima weather in August.

May and September present contrasting weather experiences. In May, temperatures range from a cool 8°C (47°F) at night to a warm 31°C (88°F) during the day, with an average of 21°C (70°F). The month sees substantial precipitation, with 260 mm (10.2 in) falling over approximately 12 days and a high humidity level of 83%. In contrast, September offers milder nights with temperatures starting at 17°C (64°F) and warming up to a maximum of 34°C (93°F), averaging 26°C (79°F). While September's precipitation is slightly less at 254 mm (10.0 in), it is spread over more days, with rain expected on 18 days and a slightly lower humidity of 80%. For more detailed information, you can check out Kagoshima weather in September.

May and October present notable differences in weather patterns, with both months enjoying warm temperatures. In May, daily temperatures range from a cooler minimum of 8°C (47°F) to a warm maximum of 31°C (88°F), accompanied by an average temperature of 21°C (70°F). However, it also brings significant rainfall, with 260 mm (10.2 in) over approximately 12 days, leading to a high humidity of 83%.

In contrast, October features slightly warmer conditions, with minimum temperatures around 11°C (53°F) and an average of 22°C (71°F), though it can still peak at 31°C (89°F). It experiences less precipitation than May, totaling 137 mm (5.4 in) over about 9 days, and a lower humidity level of 78%. Overall, while both months can be warm, October tends to be drier and less humid. For more insights on October weather, check Kagoshima weather in October.

May and November showcase a significant contrast in weather conditions. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average of 21°C (70°F). This month also experiences higher humidity at 83% and substantial rainfall, totaling 260 mm (10.2 in) over about 12 days. In contrast, November presents milder conditions, with temperatures dipping to a low of 3°C (38°F) and peaking at 26°C (79°F), averaging 16°C (61°F). Precipitation is substantially lower, with 97 mm (3.8 in) over just 9 days, and humidity decreases to 76%. For more details, you can check Kagoshima weather in November.

May and December present quite contrasting weather conditions. In May, temperatures range from a mild 8°C (47°F) to a warm 31°C (88°F), with an average of 21°C (70°F) and high humidity at 83%. The month experiences significant rainfall, totaling 260 mm (10.2 in) over approximately 12 days. In contrast, December features much cooler temperatures, with a minimum of 1°C (34°F), an average of 11°C (51°F), and a maximum of 25°C (77°F). Precipitation in December is notably lower at 82 mm (3.2 in) over about 8 days, and humidity decreases to 74%. This stark difference highlights the transition from the warm, humid conditions of late spring to the cooler, drier atmosphere of late fall and early winter. For more specific insights about December weather, check out Kagoshima weather in December.

Compare Kagoshima's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kagoshima

As May unfolds in Kagoshima, the weather transforms into a welcoming warmth, distinct from the cooler months preceding it. Temperatures rise significantly, inviting outdoor adventures under the increasingly sunny skies. However, with an average humidity of 83%, the month also carries a hint of moisture, punctuated by spring showers that contribute to the 260 mm of rainfall over about 12 days. This blend of warmth and wetness creates a vibrant backdrop for blooming landscapes, making May a lively and lush time to explore the region. To gain deeper insights into Kagoshima's overall climate, check out Kagoshima Climate.