May Weather in Naha, Japan

Last updated: August 21, 2025

May in Naha, Japan, is characterized by pleasant temperatures and a hint of humidity, making it a charming time to explore this vibrant city. With an average daily temperature of 24°C (76°F), highs can reach up to 27°C (82°F) while lows dip to a comfortable 19°C (67°F). However, the month also brings about significant precipitation, totaling 208 mm (8.2 in) over 12 days, contributing to the lush landscapes of the region. Humidity levels remain high at 84%, adding a tropical feel to the air. Overall, May offers a delightful blend of warmth and nature, ideal for both travelers and locals alike.

May Temperature in Naha

In May, Naha, Japan, experiences a delightful shift in temperatures as spring approaches its zenith. With a minimum of 19°C (67°F) and an average of 24°C (76°F), the warmth begins to envelop the city, inviting residents and visitors alike to enjoy the vibrant outdoors. As the month progresses, the maximum temperature can reach up to 27°C (82°F), signaling the onset of a more tropical climate. Compared to earlier months, these temperatures mark a significant increase, illustrating a smooth transition from the cooler days of April. This pleasant weather makes May an ideal time to explore Naha’s rich cultural heritage and stunning landscapes, all while basking in the refreshing warmth of early summer.

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

The chart illustrates May temperature patterns in Naha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naha, 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).
JanFebMarAprMayJunJulAugSepOctNovDec656568707580828382797468
Data source: Temperature data for Naha 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 Naha

May marks a significant increase in rainfall in Naha, Japan, with precipitation soaring to 208 mm (8.2 in), the highest for the month in the year. This uptick is accompanied by 12 rainy days, matching the consistent patterns seen in the preceding months. As spring gives way to early summer, the transition triggers a marked shift in weather, leading into June's even heftier average of 302 mm (11.9 in) over 19 days. The escalating precipitation not only highlights May's role as a pivotal point for the rainy season, but it also sets the stage for June's reputation as the wettest month, reflecting a broader trend of increasing rainfall intensity as the year progresses.

May Precipitation Trends in Naha

The chart displays monthly precipitation patterns in Naha, 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 Naha, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9197107137208302192206253160104188
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Naha

In Naha, Japan, May marks a significant transition in humidity levels, reaching an average of 84%. This increase reflects a trend towards higher moisture content as spring gives way to summer; April already culminates at 82%, while the humid months of June and July follow closely behind at 86%. The steady rise from 71% in January and February to the mid-80s by May illustrates the Pacific's warming grip, creating a lush environment that is characteristic of this time of year. As summer approaches, residents and visitors alike can expect a more tropical feel, bringing both the vibrant beauty of nature and a hint of sweltering heat.

May Average Humidity in Naha

This chart illustrates the average monthly humidity levels in Naha, 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 Naha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%76%82%84%86%86%82%82%81%79%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Naha

As May arrives in Naha, Japan, residents and visitors should brace for an extreme UV Index of 13, marking one of the highest levels of the year. With a burn time of just 10 minutes, it’s crucial to prioritize sun safety and protection to avoid harmful effects. The trend into summer shows no sign of easing, as the UV Index remains at 13 through June, July, and August. This continuous exposure underscores the importance of vigilance against UV rays that rapidly increase from the moment we step outside. As this month transitions into a sun-soaked season, understanding the UV Index is vital for enjoying the beautiful outdoors while staying safe. For further details on UV levels, check out Naha UV Index.

Maximum UV Index Levels in Naha for May

The chart shows the monthly maximum UV Index (UVI) for Naha 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 Naha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911121313131312996
Data source: Naha 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 Naha

May brings a delightful shift in Naha, Japan, as the sunshine hours climb to an impressive 305 hours. This surge marks a continuation of the upward trend that begins in March, when daylight starts to stretch noticeably longer. April also wraps the month with ample sunlight, but it's in May that residents truly bask in the glow, enjoying the warm transition into summer. As the season progresses into June and July, the sunlight peaks, with July and August boasting the most hours, showcasing the vibrant energy of Okinawa's climate. June, while slightly dipping from May's heights, still provides a generous 264 hours of sunshine, ensuring that the area remains bright and inviting. The consistent rise in daylight hours encapsulates the region's charming spring ambiance, making May a standout month for outdoor activities and exploration.

Monthly Sunshine Duration in Naha: May Highlighted

The May sunshine duration represents the total number of hours Naha 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h203h268h269h305h264h317h319h295h274h228h192h
Data source: Naha May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Naha During May

In Naha, Japan, the likelihood of sunny weather exhibits intriguing seasonal trends throughout the year. May, with a 30% chance of sunshine, shows a modest decline from the higher probabilities seen in March (46%) and April (39%). As spring transitions to early summer, the sunniest months appear to be September (59%) and October (51%), hinting at a weather pattern where the sunny days peak in the fall. While the summer months of June and July drop back to 9% and 30%, respectively, it’s clear that Naha's sunny days are not constant but rather fluctuate, offering pockets of brightness amid the rainier seasons. This dynamic weather pattern makes May a delightful yet unpredictable time for sun-seekers in Naha.

Percentage of Sunny Days in May in Naha

The chart illustrates the percentage of sunny days in Naha 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 Naha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%42%46%39%30%9%30%39%59%51%44%35%
Data source: Naha May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Naha in May

As spring unfolds in Naha, Japan, daylight duration gradually increases, peaking at 13 hours from May through August. March stands as a turning point, where the city first enjoys a full 12 hours of daylight, a welcome shift from the 10 hours typically experienced in the darker winter months of January and December. By May, the days are noticeably longer, inviting residents and visitors alike to embrace the vibrant outdoor activities that flourish as the sun lingers in the sky. As summer approaches, the daylight remains consistent, providing extended hours of sunshine before gradually tapering off again in the fall. This rhythmic ebb and flow of daylight not only marks the changing seasons but also enhances the charm of Naha's lively atmosphere throughout the year.

Average Daylight Hours in Naha for May

The chart illustrates the variation in daylight duration in Naha throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 41m11h 15m12h12h 46m13h 25m13h 44m13h 34m13h 1m12h 16m11h 30m10h 51m10h 30m
Data source: Naha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Naha

In Naha, Japan, the month of May experiences an average wind speed of 6.3 m/s (14 mph), which reflects a slight dip compared to the stronger breezes felt in April. This transition signals the onset of warmer weather as the average wind speeds begin to stabilize before the summer heat. Notably, the winds in May are milder than the preceding months, offering a refreshing respite just before the summer months peak. As the year progresses, winds tend to vary, with June and July picking up again to 6.5 m/s and 7.5 m/s respectively, hinting at a blend of invigorating and gentle breezes throughout the changing seasons.

Average May Wind Speed in Naha

The chart displays monthly wind speed patterns in Naha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.26.95.97.66.3 m/s6.57.56.95.47.97.97.7
Data source: Naha May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Naha Compares to Other Months

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

May and January present distinct weather patterns, showcasing a marked difference in temperature and humidity. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (82°F), with an average temperature of 24°C (76°F). This month also experiences higher humidity at 84% and considerable precipitation, totaling 208 mm (8.2 in) across 12 days. In contrast, January sees cooler temperatures with a minimum of 12°C (54°F) and a maximum of 24°C (75°F), averaging at 19°C (66°F). The precipitation in January is significantly lower, totaling just 91 mm (3.6 in) over 11 days, and the humidity is at a more comfortable 71%. For more details on the January climate, you can check Naha weather in January.

May and February present contrasting weather patterns, reflective of the shifting seasons. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (82°F), with an average of 24°C (76°F). The month sees considerable rainfall, accumulating 208 mm (8.2 in) over 12 days, coupled with high humidity at 84%. In comparison, February experiences cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F), averaging 19°C (66°F). Precipitation is significantly lower in February, totaling 97 mm (3.8 in) also over 12 days, and humidity is comparatively more comfortable at 71%. For more details about February weather, you can visit Naha weather in February.

When comparing the weather in May and March, May is noticeably warmer, with average temperatures ranging from 19°C (67°F) to a maximum of 27°C (82°F), while March tends to be cooler, with temperatures averaging between 14°C (57°F) and 24°C (76°F). Additionally, May experiences significantly higher precipitation, totaling 208 mm (8.2 in) over about 12 days, compared to March's 107 mm (4.2 in) across 11 days. The humidity in May is also higher at 84%, in contrast to March's 76%, making May feel more humid and sultry. For more details on the weather during this time, you can check Naha weather in March.

In comparing the weather conditions of April and May, we notice that May tends to be warmer and wetter. The average temperature in May is around 24°C (76°F), with a minimum of 19°C (67°F) and a maximum of 27°C (82°F), while April's average stands at 21°C (71°F), with a minimum of 15°C (60°F) and a maximum of 26°C (79°F). Precipitation also increases significantly in May, with 208 mm (8.2 in) over 12 days, compared to April’s 137 mm (5.4 in) over 11 days. Humidity remains relatively high in both months, at 84% in May and 82% in April. For a closer look at the weather patterns in April, check out Naha weather in April.

In comparing the weather of May and June, we see a gradual rise in temperatures. May boasts temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (82°F), with an average of 24°C (76°F). In contrast, June shows a warmer trend, with minimum temperatures of 21°C (70°F), an average of 26°C (80°F), and maximum highs hitting 29°C (84°F). However, June also brings increased precipitation, totaling 302 mm (11.9 in) over 19 days, which is significantly higher than May's 208 mm (8.2 in) spread over 12 days. Humidity creeps up slightly, with June at 86% compared to May’s 84%. For more specific insights into June weather, you can explore Naha weather in June.

May and July exhibit distinct differences in weather patterns, particularly in temperature and precipitation. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (82°F), with an average of 24°C (76°F). This month sees considerable rainfall, with 208 mm (8.2 in) of precipitation over approximately 12 days and humidity levels at a high 84%. In contrast, July is noticeably warmer, featuring minimum temperatures of 26°C (78°F) and maximums reaching 30°C (87°F), averaging at 28°C (83°F). July experiences slightly less precipitation at 192 mm (7.6 in) across 13 days, with humidity increasing to 86%. For more specific details about weather conditions in July, you can refer to Naha weather in July.

In May, temperatures range from a pleasant minimum of 19°C (67°F) to a comfortable maximum of 27°C (82°F), with an average of 24°C (76°F). However, the month is characterized by significant rainfall, totaling 208 mm (8.2 in) over approximately 12 days, contributing to a high humidity level of 84%.

In contrast, August brings warmer conditions, with minimum temperatures around 26°C (78°F) and average highs reaching 30°C (87°F), averaging at 28°C (83°F). Although August sees slightly less rainfall at 205 mm (8.1 in), it experiences more rainy days, totaling 17, and maintains a slightly lower humidity of 82%. Overall, while both months are warm and humid, August is notably hotter with a higher frequency of rain. For more details, check out Naha weather in August.

May and September exhibit distinct weather characteristics, with May featuring a milder temperature range and a higher frequency of rainfall. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (82°F), accompanied by significant precipitation of 208 mm (8.2 inches) over 12 days and high humidity at 84%. In contrast, September showcases warmer temperatures with a minimum of 24°C (75°F) and a maximum of 30°C (87°F), along with increased precipitation of 253 mm (10.0 inches) distributed over 19 days. While both months are humid, September's slightly lower humidity at 82% adds to the heat, making it feel more intense. For a more detailed look at the weather, you can visit Naha weather in September.

In comparing the weather between May and October, we find that both months have relatively warm temperatures, but October tends to be slightly warmer overall. May has an average temperature of 24°C (76°F), with a maximum of 27°C (82°F), while October's average reaches 26°C (79°F), peaking at 29°C (84°F). Precipitation levels are higher in May, with 208 mm (8.2 in) over 12 days, compared to October’s 160 mm (6.3 in) falling over 13 days. Additionally, humidity is marginally lower in October at 80%, compared to May’s 84%. For a closer look at the October climate in Naha, you can visit this link: Naha weather in October.

In May, the weather tends to be warm and humid, with average temperatures reaching around 24°C (76°F) and maximums peaking at 27°C (82°F). This month experiences significant rainfall, totaling approximately 208 mm (8.2 in) over about 12 days, resulting in a humidity level of 84%.

In contrast, November sees slightly cooler conditions, with an average temperature of 23°C (74°F) and similar maximums of 27°C (80°F). However, precipitation drops to 103 mm (4.1 in) over just 11 days, leading to a lower humidity of 79%. For those interested in more details, check out Naha weather in November.

Overall, while both months have a similar range of temperatures, May is notably wetter and more humid compared to the drier and cooler November.

May and December exhibit notable differences in weather patterns. In May, temperatures average around 24°C (76°F), with a minimum of 19°C (67°F) and a maximum of 27°C (82°F), while humidity is relatively high at 84%. Precipitation is also significant during this month, totaling 208 mm (8.2 in) over about 12 days. In contrast, December sees cooler temperatures, averaging 20°C (69°F) with a minimum of 14°C (58°F) and a maximum of 25°C (78°F). The month receives slightly less rainfall, totaling 188 mm (7.4 in) over 16 days, and humidity decreases to 75%. For more details on December weather, you can check Naha weather in December.

Compare Naha's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Naha

As May unfolds in Naha, the weather offers a delightful transition from the cooler months, characterized by mild temperatures and higher humidity levels. The city experiences a notable increase in warmth, leading to pleasant days that beckon outdoor activities. While rainfall becomes more frequent with about 12 days of precipitation, the overall atmosphere remains vibrant and lush, providing a refreshing backdrop for both locals and visitors. This shift not only enhances the natural beauty of the region but also sets the stage for the hotter summer months ahead. For a deeper insight into Naha’s unique climate patterns, check out Naha Climate.