May Weather in Hirado, Japan

Last updated: August 21, 2025

In Hirado, Japan, May embraces a pleasant climate marked by a maximum temperature of 27°C (80°F) and an average of 19°C (67°F), providing a comfortable backdrop for outdoor activities. The minimum temperature dips to a mild 12°C (53°F), ideal for spring evenings. However, expect a fair share of rainfall, with precipitation totaling 165 mm (6.5 in) over about 10 days, contributing to the region's lush greenery. The humidity levels soar at 87%, adding a refreshing touch to the air, making May in Hirado a month of vibrant contrasts and delightful experiences.

May Temperature in Hirado

In Hirado, Japan, May heralds a delightful transition into warmth, with temperatures comfortably ranging from a minimum of 12°C (53°F) to a pleasant maximum of 27°C (80°F). This month stands out as a vibrant prelude to summer, as the average temperature climbs to 19°C (67°F), marking a noticeable shift from the cooler spring months. The gradual increase in temperatures since April hints at nature's awakening, making May an ideal time for outdoor exploration amidst blooming landscapes. As the days grow longer and sunnier, visitors and locals alike can bask in the balmy conditions, embracing the beauty of Hirado in full bloom.

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

The chart illustrates May temperature patterns in Hirado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hirado, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474854606773798277696051
Data source: Temperature data for Hirado 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 Hirado

May in Hirado, Japan marks a notable uptick in precipitation, with the region receiving 165 mm (6.5 in) of rain over approximately 10 days. This surge represents a significant increase compared to the previous months—April's total was 117 mm (4.6 in), while March saw 137 mm (5.4 in)—indicating that spring is veering toward a wetter season. As the month transitions into June, a pattern emerges with rainfall steadily building; June averages 200 mm (7.9 in) over 12 days. With May's frequent showers, the island's vibrant landscapes and lush flora have a chance to thrive, setting a picturesque scene as Hirado gears up for the summer's even heavier downpours.

May Precipitation Trends in Hirado

The chart displays monthly precipitation patterns in Hirado, 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 Hirado, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64821371181652003492842281075174
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hirado

In May, Hirado, Japan, experiences a significant rise in humidity, reaching 87%, which sets the stage for the intense summer months ahead. This surge follows a gradual increase from 79% in April, indicating a trend towards more humid conditions as the year progresses. As the temperatures rise, the surrounding environment contributes to a more sultry atmosphere, with humidity peaking in the following months, culminating at 97% in July. The shift towards higher humidity levels in May not only enhances the feelings of warmth but also marks the transition into the lush and vibrant summer, making the region particularly appealing for nature enthusiasts and those looking to embrace the beauty of Japan's coastal climate.

May Average Humidity in Hirado

This chart illustrates the average monthly humidity levels in Hirado, 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 Hirado is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%69%71%79%87%92%97%94%84%79%75%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hirado

In Hirado, Japan, the UV Index in May reaches an extreme level of 11, signaling a significant increase in sun intensity compared to the earlier months. As spring transitions into summer, the burn time plummets to just 10 minutes, highlighting the need for vigilant sun protection during this time. This trend of intensifying UV radiation continues into June and July, where the UV Index remains at an extreme 11 and 12, respectively. Observing the monthly progression, while the first few months of the year showcase moderate to high exposure levels, May marks a critical turning point, urging residents and visitors alike to be more mindful of sun safety. For further insights on UV exposure throughout the year, visit Hirado UV Index.

Maximum UV Index Levels in Hirado for May

The chart shows the monthly maximum UV Index (UVI) for Hirado 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 Hirado typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121211764
Data source: Hirado 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 Hirado

In Hirado, Japan, May shines brightly with an impressive 288 hours of sunshine, marking it as one of the sunniest months of the year. This delightful increase follows a steady climb in daylight hours from 168 in January to 284 in April, reflecting the gradual awakening of spring. As May approaches, the sunlight reaches its peak, creating an inviting atmosphere for outdoor activities and exploration. This sunny disposition continues into the summer months, with June and July maintaining a robust presence of sunshine. However, the trend takes a gentle dip towards the autumn, with September and October showcasing 258 hours of sun each. Overall, May stands out as a vibrant transition into the warmth of summer, illuminating Hirado’s landscapes and invigorating its community.

Monthly Sunshine Duration in Hirado: May Highlighted

The May sunshine duration represents the total number of hours Hirado 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h227h264h284h288h274h287h306h258h258h236h198h
Data source: Hirado May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hirado During May

In Hirado, Japan, the likelihood of sunny weather in May stands at 34%, offering a moderate chance of clear skies amid the transition from spring to summer. As the seasons shift, there's a notable decline in sunny days from the more reliable 40% in April to May's figures. This dip is part of a broader trend, with sunshine probabilities decreasing through the early summer months, hitting a low of 21% in July. Interestingly, the chances of sun experience a resurgence in the fall, reaching a peak of 63% in October. Overall, while May may not boast the highest likelihood of sunny weather, it still promises a pleasant backdrop as spring gives way to summer.

Percentage of Sunny Days in May in Hirado

The chart illustrates the percentage of sunny days in Hirado 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 Hirado experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%43%37%40%34%26%21%31%35%63%49%37%
Data source: Hirado May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hirado in May

In Hirado, Japan, the evolving daylight hours paint a fascinating picture as the year progresses. January and February each enjoy a steady 10 hours of sunlight, setting a calm tone for winter. As spring approaches, March sees a gentle increase to 11 hours, followed by a more pronounced leap to 13 hours in April. May maintains this cheerful brightness with 13 hours of daylight, as nature comes alive. The longest days arrive in June and July, boasting a peak of 14 hours, allowing for ample time to soak in the vibrant landscape. However, a subtle shift occurs as August slips back to 13 hours, and daylight gradually diminishes through the fall and winter months, with November down to 10 hours and a retreat to 9 hours by December. This rhythm of daylight not only marks the change in seasons but also the heartbeat of life in Hirado, inviting both locals and visitors to embrace the beauty of each phase.

Average Daylight Hours in Hirado for May

The chart illustrates the variation in daylight duration in Hirado throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 58m11h 58m13h13h 52m14h 18m14h 5m13h 20m12h 20m11h 19m10h 25m9h 58m
Data source: Hirado daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Hirado

In Hirado, Japan, May marks a gentle shift in the wind patterns as the average wind speed dips to 4.3 m/s (10 mph). Following a gradual decline from the brisker winds of earlier months, this transition sets the stage for a calmer atmosphere, reflecting the onset of late spring. While January through April showcase stronger breezes between 4.8 m/s to 5.8 m/s, May's breezy embrace is a welcome relief, offering a serene backdrop for outdoor activities. This pattern of decreasing winds continues into June, where speeds drop further to 3.3 m/s (7 mph). The overall trend suggests that as spring progresses into summer, Hirado enjoys a softening in wind intensity, creating pleasant conditions for those who appreciate the beauty of nature in a quieter setting.

Average May Wind Speed in Hirado

The chart displays monthly wind speed patterns in Hirado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.65.34.84.3 m/s3.33.84.24.44.14.95.3
Data source: Hirado May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Hirado Compares to Other Months

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

May experiences a warm and pleasant climate, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 27°C (80°F). The humidity is relatively high at 87%, accompanied by about 165 mm (6.5 inches) of precipitation over approximately 10 days. In contrast, January is much cooler, with temperatures ranging from 0°C (32°F) at night to a maximum of 19°C (66°F) during the day. The winter month sees less rainfall, averaging 64 mm (2.5 inches) spread across about 8 days, along with lower humidity at 73%. For more detailed information on January weather, visit Hirado weather in January.

May generally presents a much warmer and wetter climate compared to February. With temperatures ranging from a minimum of 12°C (53°F) to a maximum of 27°C (80°F) and an average of 19°C (67°F), May offers a pleasant warmth that is a stark contrast to February's cooler range of 0°C (32°F) to 19°C (66°F), with an average of only 9°C (48°F). Additionally, May experiences significantly more rainfall, with 165 mm (6.5 in) compared to February's 82 mm (3.2 in), although both months see precipitation on about 10 days. The humidity in May is also notably higher at 87%, while February maintains a lower humidity level of 69%. For more details about February weather, you can check Hirado weather in February.

When comparing the weather in May and March, it’s clear that May is generally warmer and more humid. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). In contrast, March has cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (68°F), averaging 12°C (55°F). While both months experience significant rainfall, May sees slightly more precipitation at 165 mm (6.5 in) over 10 days compared to March's 137 mm (5.4 in) over 11 days. Additionally, the humidity in May is considerably higher at 87%, making it feel warmer than the more comfortable 71% humidity in March. For a more detailed look at March weather, please visit Hirado weather in March.

In comparing the weather between April and May, it's evident that May is generally warmer and wetter. While April experiences temperatures ranging from a minimum of 7°C (46°F) to a maximum of 24°C (76°F) with an average of 16°C (60°F), May boasts a broader temperature range, with minimums of 12°C (53°F) and maximums reaching 27°C (80°F), averaging at 19°C (67°F). Additionally, May sees increased precipitation, recording 165 mm (6.5 in) over about 10 days, compared to April's 117 mm (4.6 in) over 9 days. The humidity also rises in May to 87%, up from April's 79%. For more detailed insights on April's weather, you can check Hirado weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). The month experiences around 165 mm (6.5 in) of precipitation over approximately 10 days, coupled with a humidity level of 87%. In contrast, June warms up significantly, featuring a minimum temperature of 18°C (64°F) and peaking at 29°C (84°F), with an average temperature of 23°C (73°F). Rainfall increases to 200 mm (7.9 in) over about 12 days, and humidity rises slightly to 91%. For a closer look at the weather specifics in June, visit Hirado weather in June.

In comparing the weather conditions of May and July, there is a noticeable increase in both temperature and humidity as the year progresses. May features a milder climate, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 27°C (80°F), accompanied by 165 mm (6.5 in) of precipitation over approximately 10 days and a humidity level of 87%. In contrast, July experiences significantly warmer temperatures, with minimums around 20°C (69°F) and maximums reaching 33°C (92°F). The month also witnesses much higher rainfall, totaling 349 mm (13.7 in) across 17 days, and an increase in humidity to 97%. For more information on the July weather pattern, you can visit Hirado weather in July.

May and August offer distinct weather experiences. In May, temperatures range from a cool 12°C (53°F) at night to a pleasant average of 19°C (67°F) during the day, peaking at a comfortable 27°C (80°F). However, this month is marked by substantial rainfall, with about 165 mm (6.5 in) spread over 10 days and humidity levels at 87%.

In contrast, August heats up significantly, with minimum temperatures starting at 21°C (69°F) and averaging 28°C (83°F), soaring to a maximum of 34°C (94°F). The precipitation increases to 284 mm (11.2 in) over 14 days, accompanied by higher humidity at 94%. This makes August notably warmer and more humid compared to May. For detailed weather conditions in August, you can visit Hirado weather in August.

The weather in May features cooler temperatures, with a minimum of 12°C (53°F) and a pleasant average of 19°C (67°F), peaking at a comfortable 27°C (80°F). However, this month is characterized by significant rainfall, accumulating around 165 mm (6.5 in) over approximately 10 days, and humidity reaching 87%.

In contrast, September enjoys warmer conditions with a minimum temperature of 19°C (67°F) and an average of 25°C (77°F), hitting highs of 33°C (91°F). This month also sees increased precipitation, accumulating about 228 mm (9.0 in) over 15 days, while humidity hovers slightly lower at 84%. For more details on the weather in September, you can visit this link: Hirado weather in September.

May and October exhibit noticeably different weather patterns, although both months are part of the transition seasons. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). This month also sees higher precipitation, averaging 165 mm (6.5 in) over about 10 days, accompanied by a humidity level of 87%. In contrast, October presents slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 30°C (86°F), averaging 21°C (69°F). Rainfall is lower in October, totaling 107 mm (4.2 in) over approximately 8 days, and the humidity is more comfortable at 79%. For more details on October weather specifically, you can check Hirado weather in October.

May and November present distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures are generally warmer, with a minimum of 12°C (53°F) and an average of 19°C (67°F), peaking at 27°C (80°F). This month sees higher precipitation levels, with 165 mm (6.5 in) over about 10 days and an average humidity of 87%, making it feel quite lush and humid. In contrast, November experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 16°C (60°F), reaching a maximum of 24°C (76°F). Precipitation is significantly lower, totaling 51 mm (2.0 in) over 7 days, and the humidity drops to 75%, providing a drier atmosphere. For a more detailed look at November weather, check out Hirado weather in November.

May and December showcase contrasting weather patterns that highlight the transition from spring to winter. In May, temperatures range from a mild 12°C (53°F) at night to a pleasant high of 27°C (80°F) during the day, accompanied by relatively high humidity at 87% and significant rainfall of 165 mm (6.5 in) spread over about 10 days. In contrast, December sees much cooler temperatures, with an average of 10°C (51°F) and a maximum of 22°C (73°F), though it can drop as low as 2°C (35°F) at night. Precipitation in December is considerably lower at 74 mm (2.9 in) over just 7 days, and humidity decreases to 72%. For more insights on December's climate, you can refer to Hirado weather in December.

Compare Hirado's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Hirado

May in Hirado marks a notable shift in weather, welcoming warmer temperatures and an increase in humidity that sets the stage for the upcoming summer. With average highs around 27°C, May provides a pleasant blend of warmth while still being cooler than the sweltering summer months ahead. While precipitation remains significant, with about 10 days of rain, this moisture helps to nourish the lush landscapes that the region is famous for. This combination of warmth and humidity, along with relatively mild nights, makes May a transition month filled with vibrant blooms and a lively atmosphere. For a detailed look at weather patterns throughout the year, be sure to check out Hirado Climate.