Last updated: August 21, 2025
Experience the vibrant April weather in Ishigaki, Japan, where temperatures gently rise to a maximum of 27°C (81°F), with an average of 23°C (74°F) and a comfortable minimum of 17°C (63°F). This month boasts a lively atmosphere, characterized by high humidity at 82% and 146 mm (5.8 in) of rain falling over the course of 13 days. With tropical breezes and lush landscapes, April is a delightful time to explore the natural beauty and cultural richness of Ishigaki, making it a perfect destination for both adventure seekers and relaxation enthusiasts.
As April arrives in Ishigaki, Japan, the island begins to warm up, signaling the full swing of spring. The temperatures range from a minimum of 17°C (63°F) to a pleasant maximum of 27°C (81°F), with an average of 23°C (74°F). This gradual increase from March's cooler 16°C nights and 26°C highs highlights the transition toward the more tropical feels of summer. Visitors can expect milder evenings, uplifting daytime warmth, and increasingly vibrant landscapes, making it an ideal time for outdoor activities and exploration. The rising temperatures not only set the stage for lush vegetation but also attract those seeking sun-kissed getaways, perfectly blending comfort and adventure.
In April, Ishigaki, Japan experiences a notable uptick in precipitation, with 146 mm (5.8 in) of rainfall spread over 13 days. This marks the month as one of the wetter periods, just slightly exceeding March's 140 mm, signaling the transition into a more humid season as spring unfolds. April's rainfall lays the groundwork for May’s similar precipitation levels, indicating a consistency in early tropical conditions. As the year progresses, the region continues to see an increase in both total precipitation and rainy days, particularly as summer approaches, which could foreshadow the more intense rainfalls characteristic of August. Overall, April acts as a bridge between the drier winter months and the more humid summer, demonstrating Ishigaki's dynamic climate.
In April, Ishigaki, Japan, experiences a noticeable increase in humidity, reaching 82%. This rise is part of a steady trend as the region transitions from the cooler months of winter into the warmer spring season. Compared to March's 79%, the heightened humidity signals the impending arrival of summer, setting the stage for even more moisture-laden months ahead. As May follows with an average humidity of 84%, it becomes clear that the lush, tropical climate of Ishigaki is firmly taking hold, promising vibrant landscapes and a rich, humid atmosphere for residents and visitors alike.
In April, Ishigaki, Japan experiences an extreme UV Index of 12, mirroring the intensity of March and May. During this time, the exposure category remains high, with a rapid burn time of only 10 minutes for those unprotected by sunscreen. This trend highlights the region’s persistent UV challenge as residents and visitors alike should remain vigilant against potential sun damage. As the months progress into summer, the UV levels rise even further, peaking at UV Index 13 in June through September. To stay informed and prepared, you can find more information at the Ishigaki UV Index.
UV Risk Categories
In April, Ishigaki, Japan, basks in a delightful embrace of sunshine, accumulating 273 hours of bright daylight—a slight increase from March and a precursor to even sunnier months ahead. This uptick reflects the gradual transition from the cool winter into the warmth of spring, with sunshine hours steadily climbing from 163 hours in January to an impressive 318 hours by May. As nature awakens, visitors can expect longer days filled with vibrant landscapes and tropical charm, setting the stage for the sun-drenched adventures that characterize the island's balmy summer months. Indeed, April marks a pivotal moment, highlighting the island's shift toward a season of warmth and light, inviting all to indulge in its beauty.
In April, Ishigaki, Japan, enjoys a welcoming chance of sunny weather at 46%, mirroring the conditions observed in February. This month stands out as part of a transitional period; while the early months of the year and early spring present a higher likelihood of sunshine, such as February's robust 46%, the sunny disposition is soon to wane in the approaching summer months, where chances drop significantly, particularly in June with only 9% sunny days. As one observes the year’s progression, April presents a fortuitous opportunity to relish the milder climate before the heavier rains of the summer season set in, making it a prime time for outdoor adventures and exploring the island’s natural beauty.
In Ishigaki, Japan, the arrival of April brings a steady 12 hours of daylight, continuing the trend established in March. As spring unfolds, the length of daylight begins to transition from the shorter winter days. While April remains consistent with March, the month of May ushers in even brighter days, extending to 13 hours as the island embraces the warmth of early summer. This gradual increase in daylight heralds longer evenings and ample opportunities for outdoor activities, painting a picture of vibrant energy as the days grow longer. Following this peak in May, daylight will begin its slow descent yet remains fairly generous throughout the summer months, suggesting a captivating interplay between light and nature that defines Ishigaki’s seasonal charm.
In Ishigaki, Japan, the arrival of April brings a refreshing average wind speed of 6.8 m/s (15 mph), slightly higher than the gentle breezes of March. This uptick in wind speed hints at the transition towards warmer months, as the island prepares for the vibrant energy of spring. Notably, the winds in April gracefully bridge the calmer air of late winter and the more vigorous gusts of approaching summer, reflecting a harmonious balance in the seasonal shift. As we journey through the year, the winds reveal a pattern: starting from a peak in December and January, they generally taper off during the spring before gradually picking up again in the hotter months of July and October. Each seasonal breeze, whether soft or strong, carries the essence of Ishigaki’s dynamic coastal environment, inviting exploration and adventure.
Weather in Ishigaki varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Ishigaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
April weather is notably warmer than that of January, with average temperatures reaching 23°C (74°F) compared to January's 20°C (69°F). The maximum temperature in April can climb to 27°C (81°F), whereas January peaks at 25°C (76°F). Precipitation is slightly higher in April, with 146 mm (5.8 in) over 13 days, while January sees 109 mm (4.3 in) across 15 days, indicating that April tends to be a wetter month. Additionally, April's humidity is higher at 82%, compared to January's 76%, making it feel a bit more muggy. For more detailed insights, check out Ishigaki weather in January.
When comparing the weather in April and February, it is evident that April experiences warmer temperatures, with a minimum of 17°C (63°F) and an average of 23°C (74°F), compared to February's minimum of 14°C (57°F) and average of 20°C (69°F). April also has higher maximum temperatures, reaching up to 27°C (81°F), whereas February peaks at 25°C (77°F). However, April is marked by significantly more precipitation, totaling 146 mm (5.8 in) over 13 days, in contrast to February’s 82 mm (3.2 in) over 14 days. Additionally, the humidity is notably higher in April at 82%, compared to 74% in February. For more insights about February weather, you can check Ishigaki weather in February.
In comparing the weather of March and April, we can see that April tends to be slightly warmer, with a minimum temperature of 17°C (63°F) and an average of 23°C (74°F), compared to March's minimum of 16°C (61°F) and average of 22°C (71°F). Both months experience substantial rainfall, but April has a bit more, with a total precipitation of 146 mm (5.8 in) over 13 days, whereas March has 140 mm (5.5 in) over 14 days. Additionally, April's humidity level is slightly higher at 82%, compared to March's 79%. For further details, you can check Ishigaki weather in March.
April and May weather display a gradual warming trend as spring transitions to summer. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). This month experiences significant rainfall, totaling 146 mm (5.8 in) over 13 days, contributing to a humidity level of 82%. In contrast, May sees higher temperatures, with a minimum of 21°C (71°F) and a maximum of 29°C (85°F), averaging 26°C (79°F). Although precipitation decreases slightly to 139 mm (5.5 in) over 14 days, humidity rises slightly to 84%. For a more detailed look at the weather patterns, you can check Ishigaki weather in May.
When comparing the weather in April and June, it's clear that June experiences warmer temperatures, with average highs reaching up to 30°C (86°F) compared to April's maximum of 27°C (81°F). While both months feature high humidity, June's levels are slightly higher at 84%, compared to April's 82%. Additionally, June sees more rainfall, with precipitation totaling 184 mm (7.2 in) over 16 days, whereas April has 146 mm (5.8 in) over 13 days. For further details on June weather, you can check out Ishigaki weather in June.
April and July both experience warm temperatures, but July is notably hotter, with average temperatures rising from 23°C (74°F) in April to 29°C (84°F) in July. While April sees a maximum temperature of 27°C (81°F), July reaches up to 30°C (87°F). Both months have considerable rainfall, with April receiving 146 mm (5.8 in) over 13 days and July experiencing even more at 182 mm (7.2 in) over 16 days. The humidity levels are fairly close, ranging from 82% in April to 84% in July, contributing to a humid atmosphere in both months. For more details on July weather, visit Ishigaki weather in July.
April and August present contrasting yet humid weather patterns. In April, temperatures range from a mild 17°C (63°F) at night to a comfortable 27°C (81°F) during the day, with an average of 23°C (74°F). However, it also experiences significant rainfall, totaling 146 mm (5.8 in) across 13 days, leading to a humidity level of 82%. In comparison, August is notably warmer, with minimum temperatures starting at 26°C (79°F) and peaking at 30°C (86°F), averaging 28°C (83°F). This month sees even heavier rainfall, amounting to 280 mm (11.0 in) over 21 days, and a slightly higher humidity level of 83%. For more details about the weather in August, check out Ishigaki weather in August.
April and September present quite distinct weather patterns. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). The month is marked by considerable rainfall, totaling 146 mm (5.8 in) over 13 days, while humidity remains consistently high at 82%. In contrast, September enjoys warmer temperatures, with a minimum of 25°C (78°F) and a maximum reaching 30°C (87°F), resulting in an average of 28°C (83°F). However, it also sees increased rainfall, with 182 mm (7.2 in) spread over 17 days, maintaining the same high humidity of 82%. For more detailed insights, you can check Ishigaki weather in September.
When comparing the weather in April and October, both months demonstrate warm temperatures, but October is slightly warmer overall. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F) with an average of 23°C (74°F). The month also experiences considerable rainfall, with 146 mm (5.8 in) over about 13 days and a humidity level of 82%. In contrast, October sees higher temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum reaching 29°C (85°F). Rainfall increases to 173 mm (6.8 in) across 17 days, maintaining a similar humidity level of 81%. For more detailed insights, check out Ishigaki weather in October.
In comparing the weather of April and November, both months exhibit warm temperatures, with April having a minimum of 17°C (63°F) and an average of 23°C (74°F), while November starts a bit warmer with a minimum of 20°C (68°F) and an average of 24°C (76°F). The maximum temperatures for both months reach 27°C (81°F), providing consistent warmth throughout. Precipitation is slightly higher in November, totaling 151 mm (5.9 in) over 16 days, compared to April's 146 mm (5.8 in) over 13 days. Humidity levels are relatively close, hovering around 82% in April and 80% in November, adding to the tropical feel. For more detailed insights on November weather, you can check Ishigaki weather in November.
April and December present contrasting weather patterns, with April experiencing slightly warmer temperatures. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), averaging around 23°C (74°F). The month also sees significant precipitation, totaling 146 mm (5.8 in) over 13 days, and high humidity at 82%. In contrast, December features cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 26°C (79°F), averaging 22°C (71°F). This month is wetter, accumulating 197 mm (7.8 in) of rain over 20 days, but the humidity is slightly lower at 78%. For more information on December weather, you can check out Ishigaki weather in December.
In April, Ishigaki welcomes a delightful spring atmosphere, showcasing milder temperatures that gradually warm up, providing a stark contrast to the cooler months preceding it. With an average temperature around 23°C, the island begins to blossom, though it also experiences increased humidity and notable rainfall, totaling about 146 mm across approximately 13 days. This combination of warmth and moisture sets the stage for lush landscapes and vibrant scenery, making it a beautiful time to visit. For a deeper look into the seasonal trends and how April compares to other months, check out Ishigaki Climate.