Last updated: August 21, 2025
In May, Itoshima, Japan experiences a delightful spring ambiance, with temperatures ranging from a charming minimum of 11°C (51°F) to a pleasant maximum of 28°C (83°F), offering an average warmth of 20°C (68°F). While the season invites outdoor activities, visitors should be prepared for occasional rain, with approximately 155 mm (6.1 in) of precipitation spread across 11 days, contributing to the region's lush greenery. The air remains humid at 84%, creating a refreshing, yet slightly sticky atmosphere that enhances the fragrant blooms of this picturesque coastal area.
In May, Itoshima, Japan, experiences a delightful transition into warmer temperatures, marking a significant shift from the chill of earlier months. With minimum temperatures rising to a comfortable 11°C (51°F) and averages reaching 20°C (68°F), the city begins to embrace the vibrancy of spring. The highest temperatures can soar up to 28°C (83°F), perfect for enjoying the blossoming landscapes and outdoor activities. Compared to the cooler April, which capped at 26°C (79°F), May brings a refreshing warmth that invites travelers and locals alike to bask in the beauty of each sun-kissed day, making it an idyllic time to explore this picturesque region. As nature flourishes, so too does the spirit of adventure in Itoshima during this charming month.
In May, Itoshima experiences a notable surge in precipitation, with an impressive 155 mm (6.1 inches) of rainfall over 11 days. This increase marks the month as one of the wetter periods of the year, following a relatively stable and drier April. The trend continues into June, which sees even higher rainfall, suggesting that the onset of the monsoon season is becoming more pronounced. As the region transitions from spring to summer, May serves as a reminder of nature's refreshing intensity, setting the stage for the heavier downpours characteristic of the upcoming months.
In May, Itoshima experiences a noticeable rise in humidity, reaching 84%, which marks the beginning of a trend towards the summer months. This is a significant increase from April's 78%, setting the stage for the sweltering humidity that follows in June and July, where levels soar to 86% and 92%, respectively. As spring transitions into summer, the air becomes increasingly thick and moist, making May a pivotal month in the journey toward peak humidity. By the time summer rolls in, the region's inviting climate may feel decidedly warmer and more humid, inviting both challenges and the lush vibrancy of nature that thrives in such an environment.
As we move into May in Itoshima, Japan, residents and visitors should prepare for an extreme UV Index of 11, identical to April’s peak. With a burn time of just 10 minutes, it’s crucial to take precautions against overexposure. This high UV intensity trend continues into June, making May a pivotal month for sun safety awareness. Following this period, summer brings even higher readings, peaking at 12 in July and August. Monitoring conditions and adopting protective measures is essential all month long during this season. For more on UV levels throughout the year, visit Itoshima UV Index.
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In Itoshima, Japan, May shines brightly with an impressive 292 hours of sunshine, making it one of the sunniest months of the year. This delightful increase in daylight follows a gradual ascent from January's 179 hours, peaking in August with 304 hours. As spring transitions to summer, the consistent rise in sunshine hours underscores the region's charm, inviting locals and visitors alike to bask in the vibrant, sun-soaked landscape. While the summer months maintain a sunny disposition, the latter part of the year sees a gentle decline, yet May's radiant warmth sets the stage for outdoor adventures and unforgettable experiences in this picturesque locale.
In May, Itoshima experiences a 32% chance of sunny weather, which reflects a slight dip compared to the preceding months. While spring generally brings more favorable conditions for outdoor activities, the likelihood of sunshine in May is less than that of April, which stands at 41%. As summer approaches, the trend of declining sunny days continues, hitting a low of just 20% in July. This seasonal shift highlights the variability in weather patterns, reminding residents and visitors alike to be prepared for overcast days even as nature bursts into bloom. Overall, while May offers glimpses of sun, it’s wise to keep an umbrella handy in this charming coastal town.
In Itoshima, Japan, daylight duration experiences a remarkable transformation throughout the year. Starting from a consistent 10 hours in January and February, the daylight begins to stretch as spring approaches, reaching 11 hours in March and expanding to 13 hours by April. May maintains this duration of 13 hours, ushering in the warmth of early summer. As June and July roll in, daylight peaks at an impressive 14 hours, allowing for longer, sun-filled days perfect for outdoor activities. However, as summer wanes, daylight gradually declines, with August still enjoying 13 hours before tapering to 12 hours in September, and then steadily decreasing to 10 hours by November. This cyclical rhythm of longer days in summer and shorter days in winter paints a vivid picture of Itoshima’s seasonal dance with the sun.
In Itoshima, Japan, the month of May typically ushers in a gentle breeze, with an average wind speed of 2.9 m/s (6 mph), mirroring the calmer trends observed since March. This subtle decrease from April's 3.0 m/s signals the onset of summer, as the winds soften in anticipation of warmer days ahead. As the year progresses into June, average speeds dip further to 1.9 m/s (4 mph), highlighting a shift towards more serene and tranquil weather conditions. The overall pattern reveals that the spring months enjoy somewhat breezy yet mild winds, setting the stage for a relaxing and picturesque landscape that perfectly complements Itoshima's natural beauty.
Weather in Itoshima varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Itoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January showcase a stark contrast in weather conditions. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 28°C (83°F), creating a warm and pleasant atmosphere with an average of 20°C (68°F). The month also sees significant rainfall, with 155 mm (6.1 in) spread over 11 days, leading to higher humidity at 84%. In comparison, January experiences much cooler temperatures, ranging from -1°C (30°F) to 17°C (63°F), with an average of just 8°C (46°F). Precipitation is notably lower at 60 mm (2.4 in) over 8 days, and humidity is relatively lower at 75%. For more detailed information, you can check Itoshima weather in January.
In comparing the weather of May and February, a striking contrast emerges. May enjoys a mild average temperature of 20°C (68°F), with highs reaching up to 28°C (83°F), while February languishes at an average of 8°C (46°F), with maximum temperatures only climbing to 20°C (68°F). February's chilly minimum of -1°C (31°F) is a stark departure from May's comforting minimum of 11°C (51°F). Additionally, May experiences significantly higher precipitation, measuring 155 mm (6.1 in) over 11 days, while February sees a lesser 78 mm (3.1 in) across 10 days. Humidity levels are also higher in May at 84%, compared to 71% in February, adding to the distinct seasonal differences. For more details on February weather, you can check Itoshima weather in February.
In comparing the weather between March and May, it's clear that May brings warmer temperatures, with an average of 20°C (68°F) compared to March's cooler average of 11°C (53°F). While both months experience similar levels of precipitation, with 155 mm (6.1 in) in May and 121 mm (4.8 in) in March, May has a higher humidity at 84% compared to March's 71%. This increased humidity can make May feel even warmer and more tropical. For those interested in a more detailed look at the weather in March, you can check out Itoshima weather in March.
In comparing the weather between May and April, May presents a more temperate climate with a higher average temperature of 20°C (68°F) compared to April's average of 15°C (60°F). While the maximum temperatures are slightly higher in both months, May experiences a greater range, peaking at 28°C (83°F) against April's 26°C (79°F). Precipitation also increases in May, totaling 155 mm (6.1 in) across 11 days, compared to April's 112 mm (4.4 in) over 8 days. Additionally, May experiences higher humidity at 84%, which is an increase from April's 78%. For further details on April weather, you can explore Itoshima weather in April.
In comparing May and June weather, June typically presents warmer and slightly more humid conditions. May features a temperature range with minimums of 11°C (51°F) and maximums reaching 28°C (83°F), while June enjoys a higher minimum of 17°C (63°F) and maximums of up to 31°C (88°F). Additionally, both months experience significant rainfall, with May recording 155 mm (6.1 in) over 11 days compared to June's 184 mm (7.3 in) over 13 days. The humidity levels are also comparable, with May at 84% and June slightly higher at 86%. For more detailed information, check out Itoshima weather in June.
May and July exhibit strikingly different weather patterns. In May, temperatures range from a cool minimum of 11°C (51°F) to a comfortable maximum of 28°C (83°F), with an average of 20°C (68°F). The month sees moderate precipitation, totaling 155 mm (6.1 in) over 11 days, and a relative humidity of 84%. In contrast, July is significantly warmer, with minimum temperatures starting at 20°C (68°F) and peaking at a sizzling 35°C (95°F), averaging around 27°C (81°F). Furthermore, July experiences much higher rainfall, accumulating 321 mm (12.6 in) over 18 days, along with increased humidity levels of 92%. To learn more about the weather in Itoshima during this month, visit Itoshima weather in July.
May and August present notably different weather patterns. In May, the temperatures range from a mild minimum of 11°C (51°F) to a pleasant average of 20°C (68°F), with maximums peaking at 28°C (83°F). The month experiences significant rainfall, with 155 mm (6.1 in) over 11 days and a humidity level of 84%. In contrast, August is much warmer, with temperatures starting at a minimum of 21°C (69°F) and reaching an average of 29°C (84°F), peaking at 36°C (97°F). Precipitation is also more substantial during this month, totaling 285 mm (11.2 in) across 14 days, and humidity rises slightly to 91%. For more detailed insights, you can check Itoshima weather in August.
May and September present distinct weather patterns, showcasing the transition from spring to late summer. In May, temperatures range from a minimum of 11°C (51°F) to a pleasant maximum of 28°C (83°F), with an average of 20°C (68°F). This month experiences around 155 mm (6.1 in) of precipitation over 11 days, accompanied by high humidity levels at 84%. In contrast, September sees warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (94°F), averaging 25°C (77°F). However, it also brings increased rainfall, with precipitation totaling 204 mm (8.1 in) over 15 days, while maintaining the same humidity level of 84%. For more specific insights about September weather, you can check Itoshima weather in September.
In comparing the weather of May and October, both months exhibit relatively mild temperatures, with averages around 20°C (68°F) and 20°C (69°F) respectively. May typically experiences slightly warmer maxima, reaching up to 28°C (83°F), while October can peak at 30°C (87°F). Precipitation levels are higher in May, with 155 mm (6.1 in) over 11 days compared to October’s 111 mm (4.4 in) over 10 days, indicating a drier month overall in October. Humidity remains similar in both months, with May at 84% and October slightly lower at 83%. For a more detailed look at October weather, visit Itoshima weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F), creating a warm and vibrant atmosphere. However, the month is also characterized by higher precipitation, averaging 155 mm (6.1 in) over 11 rainy days, and humidity levels are at a moist 84%. In contrast, November offers cooler conditions, with minimum temperatures dropping to 6°C (42°F) and maximums reaching 24°C (75°F), alongside an average of 15°C (59°F). This month experiences significantly less rainfall, averaging only 51 mm (2.0 in) across 7 days, and slightly lower humidity at 81%. For more details on November weather, you can check out Itoshima weather in November.
May and December present quite distinct weather patterns. In May, temperatures range from a low of 11°C (51°F) to a high of 28°C (83°F), with an average of 20°C (68°F). This month typically experiences more precipitation, with about 155 mm (6.1 in) falling over 11 days, accompanied by a higher humidity level of 84%. In contrast, December sees cooler temperatures, ranging from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), averaging 9°C (49°F). Precipitation is significantly lower at 71 mm (2.8 in) across 9 days and a slightly lower humidity level of 79%. For more information on December weather, you can visit Itoshima weather in December.
As May unfolds in Itoshima, the weather begins to shift, offering a delightful blend of warmth and refreshment. With temperatures gradually rising, this month brings a pleasant average that encourages outdoor activities, in stark contrast to the cooler earlier months. While you may encounter moderate precipitation on about half the days, the lush greenery and vibrant blooms that follow are well worth it. The humidity levels can feel quite high, yet they contribute to the rich, atmospheric charm of the region. May serves as a beautiful prelude to summer, making it an ideal time to explore the stunning landscapes of Itoshima. For more detailed insights, visit Itoshima Climate.