Last updated: August 21, 2025
May in Shirahama, Japan, brings a delightful transition into warmer weather, with maximum temperatures reaching around 25°C (77°F) and an average of 19°C (66°F). Nights are cooler, often dipping to a refreshing 12°C (54°F). This month also sees significant rainfall, totaling approximately 203 mm (8.0 in) across 10 days, contributing to the region's lush greenery. The air hangs heavy with humidity, averaging around 82%, creating a vibrant and invigorating atmosphere that enhances the natural beauty of Shirahama. Whether you’re exploring beachside activities or indulging in tranquility, May offers an excellent time to experience this coastal gem.
In May, Shirahama, Japan, begins to embrace the warmth of spring, with temperatures presenting a noticeable shift from the cooler months. The minimum temperature rises to 12°C (54°F), indicating the end of the chill, while the average climbs to a pleasant 19°C (66°F), making it an ideal time for outdoor activities. As the days lengthen, high temperatures reach a comfortable 25°C (77°F), inviting visitors to explore the stunning beaches and vibrant local culture. This month marks a transition into warmer weather, hinting at the approaching summer while still maintaining the refreshing charm that defines Shirahama in spring.
In May, Shirahama experiences a notable surge in precipitation, with an average of 203 mm (8.0 in) falling over 10 days. This marked increase follows closely from April's rainfall of 148 mm, signaling the onset of the rainy season as the region transitions towards the more intense summer months. The shift is indicative of a broader trend, with precipitation levels steadily climbing from just 77 mm in January to the late spring peak. This substantial rainfall not only nourishes the lush landscapes of Shirahama but also sets the stage for the even wetter months ahead in June and July, highlighting the region's dynamic climate.
In Shirahama, Japan, the month of May marks a noticeable rise in humidity, reaching an average of 82%. This increase aligns with the trend of gradually climbing humidity levels as spring transitions into summer. Following a more moderate April at 75%, May sets the stage for the approaching hotter months, with humidity levels continuing to escalate into June, where they peak at 87%. This gradual buildup not only enhances the lush, vibrant landscapes characteristic of the region but also signals the onset of a more tropical climate, inviting both locals and visitors to immerse in the natural beauty of Shirahama during this lush season.
In May, Shirahama, Japan, experiences an extreme UV Index of 11, signaling the onset of the summer sun. This dramatic increase from April’s already high reading of 10 highlights the potential for rapid skin damage, with a burn time reduced to just 10 minutes. Following a trend evident since March, where the UV levels began to climb sharply, May stands out as a month to prioritize sun protection. As visitors flock to the region's beautiful beaches, it's crucial to be mindful of the increased risks associated with such high UV exposure. For more information on how to stay safe under the sun, check out the detailed insights available at Shirahama UV Index.
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In May, the sun shines brilliantly over Shirahama, Japan, offering residents and visitors a delightful 297 hours of sunshine. This month marks a peak in sunlight, continuing the upward trend from the previous months as spring transitions into summer. April already brought 284 hours, but May overtakes it, paving the way for the sun-soaked days of June and July. Following May, the sunshine begins to dip slightly, with 276 hours in June, yet the overall trajectory showcases the warmth and light that defines this beautiful coastal region during the spring and early summer months. The increase from the winter months underscores Shirahama’s transformation into a vibrant, sun-kissed destination.
As spring transitions into summer, May in Shirahama, Japan, boasts a notable dip in sunny weather, with a 29% chance of clear skies. This shift marks a departure from the gradual increase in sunlight seen from January to April, where chances climbed from 45% to 49%. Interestingly, May's likelihood of sunshine is lower than that of the following months, June and July, which present 25% and 30% chances respectively, indicating a trend of overcast days. While the summer season usually uplifts warmth and brightness, May's unpredictable weather can often keep visitors guessing. As such, those planning to enjoy the beautiful beaches of Shirahama might want to keep an eye on forecasts and prepare for a mix of sun and clouds.
May in Shirahama, Japan, brings enjoyable daylight as the sun graces the sky for 13 hours, continuing the trend established in April. This month marks a transition toward the longer days of summer, where daylight gradually increases, peaking at 14 hours in June and July. As spring settles comfortably into early summer, residents and visitors can bask in the longer evenings, perfect for enjoying the stunning coastal views. Following May, daylight begins to slightly decrease, but the lingering warmth and extended hours in the sun create a vibrant atmosphere that makes this time of year truly special.
In Shirahama, Japan, the month of May greets visitors with a gentle breeze, averaging 4.6 m/s (10 mph)—the lightest wind speed of the year. Transitioning from the brisk winds of winter, which peak at 6.4 m/s (14 mph) in both January and February, the warmer months usher in a gradual decline in wind intensity. As spring unfolds, April experiences a slight drop to 5.8 m/s (13 mph), paving the way for May's serene atmosphere. This tranquil shift allows for delightful outdoor experiences, contrasting with the invigorating gales of the earlier months and setting the stage for a more relaxed coastal environment during the onset of summer. As the year progresses, the winds remain mild, only picking up slightly again come August, showcasing Shirahama’s diverse yet calming climate.
Weather in Shirahama varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Shirahama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we see notable differences in temperature and humidity levels. May enjoys milder temperatures, with averages around 19°C (66°F) and maximums reaching up to 25°C (77°F), making it a pleasant month for outdoor activities. In contrast, January is considerably cooler, with average temperatures around 8°C (47°F) and highs of only 18°C (64°F). Precipitation is also higher in May, accumulating about 203 mm (8.0 in) over approximately 10 days, while January sees less rain at 77 mm (3.0 in) over 9 days. The humidity is slightly higher in May at 82% compared to January’s 72%, contributing to a more moist atmosphere during spring. For more detailed information on January weather, you can visit Shirahama weather in January.
May and February present a stark contrast in weather conditions. In May, temperatures soar with minimums around 12°C (54°F) and averages peaking at 19°C (66°F), culminating in maximums of 25°C (77°F). However, this month also sees significant rainfall, with 203 mm (8.0 in) of precipitation over 10 days and high humidity at 82%. In contrast, February offers much cooler temperatures, with minimums of just 1°C (35°F) and an average of only 8°C (47°F), peaking at 18°C (65°F). February also experiences considerably less rainfall, totaling 98 mm (3.9 in) across the same number of days, accompanied by lower humidity at 69%. For more insights into February's weather specifics, visit Shirahama weather in February.
In comparing the weather between March and May, notable differences emerge in temperature and humidity levels. March typically experiences cooler temperatures, ranging from a minimum of 4°C (39°F) to an average of 12°C (53°F) and a maximum of 19°C (66°F). In contrast, May warms up significantly, with temperatures ranging from 12°C (54°F) to an average of 19°C (66°F) and peaking at 25°C (77°F). Additionally, while March has lower humidity at 69%, May's humidity rises to a much more humid 82%. Precipitation is also higher in May, with 203 mm (8.0 in) over approximately 10 days, compared to March's 149 mm (5.9 in) over 11 days. For more detailed information, you can check Shirahama weather in March.
In comparing the weather between April and May, May presents warmer temperatures, with a minimum of 12°C (54°F) and an average of 19°C (66°F), compared to April's lower minimum of 6°C (44°F) and average of 15°C (59°F). The maximum temperatures also rise slightly, reaching up to 25°C (77°F) in May, whereas April peaks at 21°C (70°F). However, May experiences significantly more rainfall, totaling 203 mm (8.0 in) over 10 days, compared to April's 148 mm (5.8 in) during the same number of days. Additionally, the humidity increases in May to 82%, surpassing April's 75%. For a closer look at the weather specifics of April, you can check Shirahama weather in April.
In May, temperatures in Shirahama range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with an average temperature of 19°C (66°F). The month is characterized by significant rainfall, totaling 203 mm (8.0 in) over approximately 10 days, and a relative humidity of 82%.
Conversely, June sees warmer conditions, with temperatures starting at a minimum of 16°C (61°F) and reaching a maximum of 26°C (79°F), averaging 22°C (72°F). Rainfall increases to 237 mm (9.3 in), spread over about 14 days, contributing to a slightly higher humidity of 87%.
For more detailed information, you can check Shirahama weather in June.
In May, temperatures range from a mild 12°C (54°F) at night to a pleasant 25°C (77°F) during the day, making it a comfortable month with an average temperature of 19°C (66°F). However, the weather can be quite wet, with 203 mm (8.0 in) of precipitation over approximately 10 days, leading to high humidity levels of around 82%.
In contrast, July experiences warmer temperatures, with nighttime lows of 21°C (71°F) and daytime highs reaching up to 31°C (88°F), resulting in an average of 26°C (78°F). This month is also considerably wetter, receiving 353 mm (13.9 in) of rainfall over 18 days and slightly higher humidity at 92%. For a detailed look at July weather specifically in Shirahama, you can check out Shirahama weather in July.
In comparing the weather of May and August, May features milder temperatures, with a minimum of 12°C (54°F) and an average of 19°C (66°F), while August is notably warmer, with a minimum of 22°C (73°F) and an average of 27°C (81°F). Precipitation is substantial in both months, but August sees a higher total of 227 mm (8.9 in) over 14 days compared to May's 203 mm (8.0 in) across 10 days. Moreover, humidity levels rise slightly from 82% in May to 86% in August, making August feel more sultry. For a detailed look at the weather conditions in August, you can visit Shirahama weather in August.
May and September present distinct weather patterns. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with an average of 19°C (66°F). This month sees significant precipitation, totaling 203 mm (8.0 in) over about 10 days, combined with high humidity at 82%.
In contrast, September offers warmer conditions, with temperatures starting at a minimum of 19°C (67°F) and peaking at 30°C (86°F), averaging 25°C (77°F). The month is also wetter, with precipitation totaling 239 mm (9.4 in) over 16 days, while maintaining the same humidity level of 82%. For a detailed look at how the weather changes in September, check Shirahama weather in September.
In comparing the weather between May and October, we observe that both months present moderate temperatures, with October typically being slightly warmer. May has a minimum temperature of 12°C (54°F) and an average of 19°C (66°F), while October sees a minimum of 13°C (56°F) with an average of 21°C (69°F). When it comes to maximum temperatures, October can reach up to 27°C (81°F), compared to May's 25°C (77°F). Additionally, October experiences higher precipitation levels at 307 mm (12.1 in) over 13 days, compared to May's 203 mm (8.0 in) over 10 days. Even though October is a bit drier, its higher humidity level at 79% makes the air feel comparatively heavier. For more detailed information on October weather conditions, you can check Shirahama weather in October.
In May, temperatures range from a minimum of 12°C (54°F) to a comfortable maximum of 25°C (77°F), creating a pleasant spring atmosphere. The month sees an average temperature of 19°C (66°F) alongside considerable precipitation, totaling 203 mm (8.0 in) over about 10 days, and humidity levels are relatively high at 82%. In contrast, November experiences cooler weather with a minimum temperature of 8°C (47°F) and an average of 16°C (61°F), reaching a maximum of 23°C (73°F). Precipitation in November is significantly less, at 72 mm (2.8 in) over approximately 7 days, and humidity is slightly lower at 75%. For those interested in the specifics of November weather, you can find more information here: Shirahama weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a mild 12°C (54°F) at night to a pleasant 25°C (77°F) during the day, with an average of 19°C (66°F). The month is notably rainy, receiving 203 mm (8.0 in) of precipitation over about 10 days, accompanied by high humidity at 82%. In contrast, December experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 20°C (69°F), leading to a lower average of 11°C (52°F). Precipitation in December is significantly less at 85 mm (3.4 in) over 9 days, and humidity drops to 74%. For a closer look at December weather, you can check Shirahama weather in December.
As May arrives in Shirahama, the weather begins to transition into a warmer and more pleasant phase compared to the cooler months preceding it. With average temperatures rising, you can expect milder days that beckon outdoor adventures, even as occasional rainfall brings about refreshing moments. The humidity level remains high, creating a tropical feel that contrasts sharply with the dry winter months. While May does experience some precipitation, it tends to be less disruptive than during the peak rainy season, allowing you to enjoy the beautiful coastal scenery. For a deeper dive into how Shirahama's weather patterns evolve throughout the year, visit Shirahama Climate.