May Weather in Nanao, Japan

Last updated: August 21, 2025

May in Nanao, Japan brings a delightful blend of warmth and vibrant scenery, with temperatures reaching a maximum of 30°C (87°F) and an average of 18°C (66°F). Visitors can expect cooler nights, with temperatures dipping to a minimum of 7°C (44°F). This month, however, is not just about the warmth; it also sees 103 mm (4.0 in) of precipitation over approximately 12 days, contributing to the lush greenery characteristic of the region. The humidity level averages around 85%, creating a refreshing atmosphere perfect for exploring Nanao's scenic landscapes and cultural gems.

May Temperature in Nanao

In May, Nanao, Japan, begins to shed the chill of spring, inviting a more mild and pleasant climate. With minimum temperatures rising to 7°C (44°F) and daily averages reaching 18°C (66°F), the city experiences a delightful shift towards warmth. The maximum temperatures can soar to 30°C (87°F), reflecting a significant leap from the cooler months preceding it. This transformation sets the stage for vibrant outdoor activities and blooming landscapes, as locals and visitors alike embrace the invigorating sunshine and longer days that characteristically mark the onset of summer.

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

The chart illustrates May temperature patterns in Nanao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanao, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404148556572808376665545
Data source: Temperature data for Nanao 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 Nanao

In May, Nanao experiences a moderate precipitation level of 103 mm (4.0 in), accompanied by 12 rainy days. This marks a slight decrease from the previous months, with April's rainfall peaking at 144 mm (5.7 in) over 13 days. The trend suggests that while May is relatively drier, it serves as a bridge to the rainier months ahead, particularly June, which sees a considerable uptick with 141 mm (5.6 in) of rain. Overall, May's weather paints a picture of gentle transitions as spring yields to the summer deluge, underscoring Nanao's dynamic climate.

May Precipitation Trends in Nanao

The chart displays monthly precipitation patterns in Nanao, 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 Nanao, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec115106126144103141295228222160107153
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nanao

In May, Nanao experiences a noticeable surge in humidity, reaching a significant 85%, marking the transition into the more humid months ahead. This increase follows a gradual decline from the peak of 80% in January, showing a trend of decreasing humidity through the early spring, with April holding steady at 77%. However, May's leap into the mid-80s foreshadows the intense humidity that will follow in June and July, where levels soar to 89% and 93%, respectively. The upcoming summer months promise to envelop Nanao in a warm, moist embrace, following the gentle shift seen in the spring. As the seasons change, residents and visitors alike can anticipate a lush, vibrant atmosphere, characteristic of Nanao's humid Japanese climate.

May Average Humidity in Nanao

This chart illustrates the average monthly humidity levels in Nanao, 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 Nanao is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nanao

As we transition into May, Nanao, Japan, experiences a very high UV Index of 10, similar to April's reading. This indicates a significant uptick in sun intensity, with a burn time of just 15 minutes, urging sun safety practices. Following this trend, June is expected to reach an extreme UV Index of 11, suggesting that the month of May serves as a crucial reminder to prepare for the intense sun exposure that lies ahead. As daylight hours increase and summer approaches, understanding these trends is vital for protecting your skin. For more detailed insights, check the Nanao UV Index.

Maximum UV Index Levels in Nanao for May

The chart shows the monthly maximum UV Index (UVI) for Nanao 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 Nanao typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34710101111119753
Data source: Nanao 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 Nanao

May in Nanao, Japan, shines brightly with 309 hours of sunlight, continuing the upward trend established from the previous months. This delightful spring month marks a peak in daylight hours, showcasing a vibrant increase from April's 285 hours. As the region transitions into summer, sunlight continues to embrace Nanao, with June slightly trailing at 303 hours. This pattern highlights a dynamic interplay between the seasons, with May standing out as a beacon of brightness before the warmth of summer fully settles in. The consistent rise in sunlight during these months invites both locals and visitors to bask in the beauty of Nanao's springtime radiance.

Monthly Sunshine Duration in Nanao: May Highlighted

The May sunshine duration represents the total number of hours Nanao 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h198h258h285h309h303h298h311h257h239h218h195h
Data source: Nanao May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanao During May

As May approaches in Nanao, Japan, the likelihood of sunny weather reflects a slight dip, with a 33% chance of sunshine, following an encouraging 47% in April. This trend hints at the transitional nature of spring, where the weather can be unpredictable. Interestingly, while May's forecast shows fewer clear days compared to its predecessor, it does outshine the summer months of June and August, which both see lower sunny probabilities. This ebb and flow of sunshine illustrates the region's varying climate, making May an intriguing month for those seeking pleasant, albeit partially cloudy, days.

Percentage of Sunny Days in May in Nanao

The chart illustrates the percentage of sunny days in Nanao 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 Nanao experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%36%38%47%33%28%40%24%35%45%44%29%
Data source: Nanao May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanao in May

As spring transitions into summer in Nanao, Japan, May marks a delightful peak in daylight hours, offering 14 hours of sunlight a day. Following the gradual increase from 9 hours in January, the days lengthen steadily, reaching a significant jump in April with 13 hours of brightness. This trend continues into May, where the balance of day and night begins to favor longer, sunlit evenings. The daylight duration remains consistent through June and July, sustaining this brightness before a gentle decline begins in August. As the year unfolds, daylight gradually fades, returning to its winter low of 9 hours by December, but May’s radiant days remind us of the vibrant warmth that the lush Japanese landscape embraces during this season.

Average Daylight Hours in Nanao for May

The chart illustrates the variation in daylight duration in Nanao throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 48m11h 57m13h 8m14h 8m14h 38m14h 23m13h 31m12h 23m11h 12m10h 10m9h 39m
Data source: Nanao daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Nanao

In May, Nanao, Japan, experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph), slightly refreshing after the more blustery months of winter and early spring. While March and April showcase similar calmness with wind speeds at 3.5 m/s, May begins to hint at the forthcoming tranquility of summer, where June, July, and August see a noticeable drop to around 2.1 to 2.5 m/s. This gradual decline highlights a seasonal transition as the coastal city shifts from the crispness of spring to the sultry embrace of summer. In essence, May serves as a gentle bridge, where the winds whisper of warmer days ahead, creating the perfect backdrop for outdoor exploration and enjoyment in this picturesque part of Japan.

Average May Wind Speed in Nanao

The chart displays monthly wind speed patterns in Nanao, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.43.53.53.7 m/s2.12.22.52.62.93.64.1
Data source: Nanao May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Nanao Compares to Other Months

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

May and January present starkly different weather patterns. In May, temperatures range from a minimum of 7°C (44°F) to a comfortable average of 18°C (66°F), peaking at 30°C (87°F), making it generally warm and pleasant. However, the month also experiences significant rainfall, with 103 mm (4.0 in) of precipitation spread over 12 days and humidity levels around 85%. In contrast, January is much colder, with temperatures hitting a minimum of -4°C (24°F) and a modest average of 5°C (41°F), reaching a maximum of 16°C (60°F). This month sees even higher precipitation at 115 mm (4.5 in) across 19 days, accompanied by slightly lower humidity at 80%. For more detailed climate information, you can visit Nanao weather in January.

Comparing the weather in May and February reveals significant differences in temperature and conditions. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), with an average of 18°C (66°F). In contrast, February experiences much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 18°C (65°F), averaging around 5°C (41°F). Additionally, while May sees considerable precipitation of 103 mm (4.0 in) over 12 days, February has slightly more rain at 106 mm (4.2 in), but spread across 16 days. The humidity in May is notably higher at 85%, compared to February's 78%. For more details on February weather, visit Nanao weather in February.

In comparing the weather of March and May, we see a notable shift in temperature and precipitation. May features warmer conditions, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), while March is cooler, averaging between 1°C (34°F) and 22°C (72°F). Precipitation is slightly higher in March at 126 mm (5.0 in) over 15 days compared to 103 mm (4.0 in) over 12 days in May. Additionally, May experiences higher humidity levels at 85%, compared to March's 76%. For more detailed information, check Nanao weather in March.

In comparing the weather conditions between April and May, it is evident that May offers a noticeable increase in overall temperatures, with average highs reaching 30°C (87°F) compared to April's maximum of 27°C (82°F). The minimum temperatures also rise from 2°C (35°F) in April to 7°C (44°F) in May, highlighting the warmer days that come with the latter month. However, while May has a slightly lower total precipitation at 103 mm (4.0 in) compared to April's 144 mm (5.7 in), it experiences rain on a similar number of days, with 12 days in May versus 13 in April. Additionally, May's humidity is higher at 85% compared to April's 77%, contributing to a more humid feel. For a deeper look into April's weather specifics, you can visit Nanao weather in April. Overall, May provides a warmer and slightly drier experience, albeit with increased humidity.

May and June exhibit notable differences in weather patterns, with June generally being warmer and wetter. In May, temperatures range from a cool 7°C (44°F) to a warm 30°C (87°F), while June boasts a milder minimum of 13°C (56°F) and can reach up to 32°C (90°F) on the hottest days. Additionally, June experiences slightly more precipitation, totaling 141 mm (5.6 in) over 11 days, compared to May's 103 mm (4.0 in) over 12 days. Humidity levels also rise, from 85% in May to 89% in June, creating a more humid atmosphere as the month progresses. For more detailed insights on June weather, you can visit Nanao weather in June.

In May, temperatures begin to warm up, ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), with an average of 18°C (66°F). The month experiences moderate rainfall, with about 103 mm (4.0 in) of precipitation over 12 days, accompanied by a humidity level of 85%. In contrast, July brings much warmer temperatures, with a minimum of 21°C (69°F) and a maximum of 37°C (99°F), averaging around 27°C (80°F). However, July also sees significantly higher precipitation, totaling 295 mm (11.6 in) over 19 days and higher humidity at 93%. For a closer look at July weather, you can refer to Nanao weather in July.

May and August present quite a contrast in weather conditions. In May, temperatures range from a cool 7°C (44°F) at night to a comfortable average of 18°C (66°F), peaking at a warm 30°C (87°F). The month also sees about 103 mm (4.0 in) of precipitation over 12 days, with humidity levels around 85%. In contrast, August brings significantly warmer conditions, with minimum temperatures of 20°C (69°F) and an average high of 29°C (84°F), reaching up to 39°C (103°F). Precipitation nearly doubles to 228 mm (9.0 in) spread over 16 days, and humidity climbs to 92%. The shift from May's mildness to August's heat exemplifies the transition to summer. For a detailed look at August weather patterns, you can find more information here: Nanao weather in August.

May weather tends to be milder, with temperatures ranging from a minimum of 7°C (44°F) to a comfortable average of 18°C (66°F) and maximums reaching up to 30°C (87°F). While precipitation is relatively moderate at 103 mm (4.0 in) over about 12 days, the high humidity of 85% can make it feel a bit sticky.

In contrast, September brings warmer temperatures, starting at a minimum of 15°C (59°F) and averaging 24°C (76°F), with maximums soaring to 38°C (100°F). However, this month experiences significantly higher precipitation, totaling 222 mm (8.7 in) over 15 days, accompanied by a slightly lower humidity of 84%. For more details about September's weather in Nanao, you can check Nanao weather in September.

In comparing the weather between May and October, we observe some notable differences. May typically experiences milder temperatures, with a minimum of 7°C (44°F) and an average of 18°C (66°F), peaking at 30°C (87°F). In contrast, October begins with slightly warmer nights, featuring a minimum of 10°C (51°F) and an average of 19°C (66°F), with highs reaching up to 32°C (89°F). Precipitation also plays a significant role; May sees around 103 mm (4.0 in) of rain over approximately 12 days, while October has increased rainfall of 160 mm (6.3 in) across 13 days. As for humidity, May is slightly more humid at 85%, compared to October's 81%. For a deeper dive into the specifics of October weather, check Nanao weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a mild 7°C (44°F) to a warm maximum of 30°C (87°F) with an average of 18°C (66°F), while November sees cooler conditions with a minimum of 3°C (37°F) and a maximum of 26°C (78°F), averaging 13°C (55°F). Both months experience significant rainfall, with May receiving approximately 103 mm (4.0 in) over 12 days and November slightly higher at 107 mm (4.2 in) over 13 days. Additionally, humidity is higher in May at 85%, compared to November's 77%. For more details, check out Nanao weather in November.

May and December exhibit stark contrasts in weather conditions. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), with an average of 18°C (66°F) and relatively high humidity at 85%. This month experiences 103 mm (4.0 in) of precipitation over about 12 days, signaling the onset of spring with warmer temperatures.

In contrast, December sees colder temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (71°F), yielding an average of 7°C (45°F). The month is also wetter, with 153 mm (6.0 in) of precipitation over 22 days, although the humidity drops somewhat to 79%. For more specific weather insights, you can refer to Nanao weather in December.

Compare Nanao's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Nanao

As May unfolds in Nanao, it marks a distinct transition in weather, bringing warmer temperatures and lush greenery that diverge from the cooler months of spring. With an average temperature hovering around 18°C, days become pleasantly mild, contrasting sharply with the colder starts of the year. However, May is also characterized by a notable increase in humidity, often reaching 85%, and the likelihood of rain, with approximately 12 days of precipitation adding to the month’s charm. This combination makes May a time when nature awakens vibrantly. For deeper insights into the region's unique climate tendencies, visit Nanao Climate.