Last updated: August 21, 2025
In Koshima, Japan during April, the weather showcases a delightful transition into spring, with maximum temperatures reaching 24°C (75°F) and an average of 19°C (66°F). The month brings a refreshing breeze, although temperatures can dip to a minimum of 12°C (53°F) at night. Humidity levels hover around 79%, contributing to the lush greenery of the landscape. With 186 mm (7.3 in) of rainfall spread over 12 days, April is relatively wet, adding to the charm of this picturesque region as vibrant blooms and lush flora come to life against the backdrop of scenic beauty.
In April, Koshima, Japan begins to embrace the warmth of spring, with temperatures steadily climbing to create a delightful atmosphere. The minimum temperature rises to 12°C (53°F), while the average reaches 19°C (66°F), showcasing a comfortable environment perfect for outdoor activities. With a maximum of 24°C (75°F), the month promises sunnier days, marking a departure from the cooler months of winter. This gradual increase not only signifies a welcoming change but also allows for the blossoming of nature, making April an exhilarating time to explore Koshima's scenic landscapes. As the temperature progresses through the season, visitors can look forward to more vibrant experiences and the enchanting beauty of the region in full bloom.
In Koshima, Japan, April brings a noteworthy precipitation amount of 186 mm (7.3 in), showcasing a slight decrease from March's peak of 213 mm (8.4 in). This month sees rainfall spread over 12 days, mirroring January's pattern but standing in contrast to the wetter March, which featured the same number of rainy days. As spring unfolds, April's precipitation sets the stage for May's dramatic increase to 273 mm (10.7 in), hinting at the upcoming monsoon season. This steady rise in rainfall, culminating in June's significant 491 mm (19.3 in), underscores Koshima's transition into a wetter climate, making April a crucial link in this seasonal cycle.
April in Koshima, Japan, marks a noticeable shift in humidity, with levels rising to 79%. This increase is part of a broader trend leading into the warmer months, as the region transitions from the relatively cooler and drier air of early spring. Following March’s 72% humidity, April's figures indicate a clear uptick, foreshadowing the much more humid conditions that characterize May and June, where humidity reaches 83% and 86%, respectively. This progressive rise builds anticipation for the sticky summer months ahead, as Koshima's weather transforms, bringing with it the lush vibrancy of the season.
As April arrives in Koshima, Japan, the UV Index reaches a striking 11, categorizing the sun's rays as extreme. This marks a clear trend of increasing UV intensity, with April being a significant leap from the moderate levels in January. With a burn time of merely 10 minutes, it's crucial for residents and visitors alike to take precautions when outdoors. The UV Index steadily climbs from the previous months, indicating that spring is ushering in stronger sunlight, a pattern that continues into May and June. Staying informed and protected is essential during this time—take action to shield your skin and enjoy the increasingly sunny days! For more detailed information, visit the Koshima UV Index.
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April in Koshima, Japan, welcomes an impressive 273 hours of sunshine, marking a delightful peak in the spring season. This surge follows a steady upward trend from the 164 hours in January to 253 hours by March, showcasing the gradual lengthening of days and emergence of warmth as winter retreats. April's vibrant sunshine initializes the month with optimism, leading into May, which sees an even brighter 280 hours. The sun's presence becomes a staple, influencing both the natural beauty of Koshima and the mood of its inhabitants. As the months progress into summer, the city enjoys a further increase, reaching a glorious 302 hours in July and peaking at 319 hours in August. This pattern underscores the profound transformation Koshima experiences with the arrival of spring and summer, highlighting how the sunshine not only enriches the landscape but also uplifts the spirit of the community.
In Koshima, Japan, the likelihood of sunny weather in April is a refreshing 36%, making it a favorable time for those seeking mild spring days. This percentage reveals a notable increase from the winter months, where January and February see only 29% and 38% chances of sunshine, respectively. Although March shows a slight dip at 32%, April bounces back, indicating a trend toward sunnier skies as spring progresses. However, as the season transitions into summer, the chance of sun decreases significantly in May and June, dropping to 21% and 17%. Thus, April serves as a delightful bridge to more vibrant weather, before the summer clouds settle in.
As spring unfolds in Koshima, Japan, April brings about a delightful increase in daylight, with the sun shining for an impressive 12 hours each day. This marks a noticeable rise from the 11 hours of daylight in March, and a precursor to the longer days of May and June, which boast 13 and 14 hours, respectively. The trend showcases a gentle transition towards the summer months, where extended daylight not only uplifts spirits but also invites more outdoor activities. Following April, the daylight hours begin to taper off again, creating a rhythmic cycle that characterizes the region's seasonal changes.
As April settles into Koshima, Japan, the average wind speed picks up a gentle momentum at 8.8 m/s (20 mph), marking a slight increase from the preceding months. This trend reflects a transition from the cooler blasts of winter, where January and March lingered around 8.1 m/s and 8.0 m/s, respectively. Comparatively, February saw a surge to 9.6 m/s (21 mph), indicating that while the winds of spring bring a refreshing change, they remain playful rather than harsh. As the region anticipates warmer days, the winds gradually soften, tapering off to 6.6 m/s in May. Overall, April serves as a bridge—balancing the robust chill of winter with the calmer breezes of summer, inviting both locals and visitors to embrace the emerging vitality of spring.
Weather in Koshima varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Koshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
April generally boasts warmer temperatures compared to January, with average highs reaching 24°C (75°F) versus January's peak of 21°C (70°F). The minimum temperature in April is also notably higher at 12°C (53°F), compared to January's 6°C (44°F). However, April experiences significantly more precipitation, totaling 186 mm (7.3 inches) over 12 days, in contrast to January's 108 mm (4.2 inches) on the same number of days. The humidity in April is slightly elevated at 79%, compared to January's 72%. For more details about January conditions, you can check out Koshima weather in January.
April generally offers milder temperatures compared to February, with average highs reaching 19°C (66°F) and maximum temperatures peaking at 24°C (75°F). In contrast, February's temperatures range from a minimum of 7°C (44°F) to an average of 14°C (57°F), making it cooler overall. While both months experience significant rainfall, April receives slightly more at 186 mm (7.3 in) over 12 days, compared to February's 157 mm (6.2 in) across 16 days. Additionally, April has a higher humidity level at 79%, compared to February's 68%, contributing to a more humid atmosphere as spring approaches. For more details, check Koshima weather in February.
In comparing the weather between March and April, April sees slightly warmer temperatures, with an average of 19°C (66°F) compared to March's average of 16°C (62°F). While both months have their share of precipitation, March receives more rain, totaling 213 mm (8.4 in) over 16 days, while April has 186 mm (7.3 in) spread across 12 days. Additionally, April's humidity averages slightly higher at 79%, compared to March's 72%. For more detailed insights on March weather, you can refer to Koshima weather in March.
In comparing the weather between April and May, we observe a noticeable increase in temperatures and humidity. April features a minimum temperature of 12°C (53°F) and an average of 19°C (66°F), while May sees a rise with the minimum at 16°C (61°F) and an average of 22°C (71°F). Additionally, May has slightly higher maximum temperatures, peaking at 26°C (78°F) compared to April's 24°C (75°F). However, it is essential to note that May experiences more precipitation, accumulating 273 mm (10.7 in) over 13 days, which is an increase from April's 186 mm (7.3 in) over 12 days. The humidity also rises from 79% in April to 83% in May, making the atmosphere feel distinctly heavier. For more detailed information, you can visit Koshima weather in May.
April and June present distinct weather patterns, highlighting the transition from spring to summer. In April, temperatures range from a mild 12°C (53°F) to a comfortable 24°C (75°F), with an average of 19°C (66°F). The month is characterized by significant precipitation, totaling 186 mm (7.3 in) over about 12 days, along with a humidity level of 79%. In contrast, June sees warmer temperatures, with a minimum of 19°C (67°F) and a maximum of 27°C (81°F), resulting in an average of 24°C (76°F). However, this month also experiences much higher rainfall, accumulating 491 mm (19.3 in) across approximately 19 days, and a rise in humidity to 86%. For those interested in a more detailed comparison of June weather, visit Koshima weather in June.
April and July present contrasting weather patterns. In April, temperatures range from a mild 12°C (53°F) to a comfortable 24°C (75°F), with an average of 19°C (66°F). The month experiences significant rainfall, totaling 186 mm (7.3 in) over about 12 days, and humidity levels hover around 79%. In contrast, July brings substantially warmer conditions, with temperatures spanning from 23°C (73°F) to a peak of 30°C (86°F), averaging 27°C (81°F). This summer month sees an increase in precipitation to 281 mm (11.0 in) across 17 days, coupled with higher humidity levels at 90%. For a more detailed look at the weather in July, check out Koshima weather in July.
April and August present distinctly different weather profiles. In April, temperatures range from a mild 12°C (53°F) to a comfortable 24°C (75°F), accompanied by 186 mm (7.3 in) of precipitation over approximately 12 days and an average humidity of 79%. In contrast, August brings warmer conditions, with temperatures soaring from a minimum of 24°C (76°F) to a maximum of 30°C (86°F). The month also sees slightly higher precipitation at 214 mm (8.4 in) over 16 days, coupled with an increase in humidity to 85%. For a more detailed look at August weather, you can check Koshima weather in August.
April and September present distinct weather characteristics that highlight the transition of seasons. In April, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). The month experiences significant rainfall, totaling 186 mm (7.3 in) across 12 days, accompanied by a humidity level of 79%.
In contrast, September is typically warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), averaging 27°C (80°F). This month sees even more precipitation, reaching 256 mm (10.1 in) over 20 days, while maintaining a similar humidity level of 80%. For a detailed overview of September's climate, you can check out Koshima weather in September. Overall, while both months are marked by notable precipitation and humidity, September's warmer temperatures and increased rainfall set it apart from April.
April and October present distinctly different weather patterns. In April, temperatures typically range from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). The month experiences considerable precipitation, totaling 186 mm (7.3 in) over approximately 12 days, accompanied by high humidity levels of 79%. In contrast, October sees warmer temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), with an average of 24°C (75°F). The precipitation in October is slightly less at 164 mm (6.4 in) across 13 days and maintains a similar humidity of 78%. For a more detailed overview, you can visit Koshima weather in October.
April and November both feature mild temperatures, but April tends to be slightly wetter and more humid than November. In April, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). It also experiences about 186 mm (7.3 in) of precipitation over 12 days and a humidity level of 79%. In contrast, November has temperatures that range from 13°C (56°F) to 25°C (78°F), averaging 20°C (68°F). The rainfall is less at 150 mm (5.9 in) over 13 days, and humidity is slightly lower at 76%. For a deeper dive into November conditions, check out Koshima weather in November.
April and December present distinctly different weather conditions. In April, the temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). This month is characterized by higher humidity at 79% and increased precipitation, totaling 186 mm (7.3 in) over approximately 12 rainy days. In contrast, December sees slightly cooler temperatures, with a minimum of 8°C (46°F) and an average of 16°C (61°F), while still reaching highs of 24°C (75°F). Precipitation decreases to 132 mm (5.2 in), occurring over 14 days, and humidity also dips to 74%. For a closer look at December weather specifics, check this resource: Koshima weather in December.
As April unfolds in Koshima, the weather becomes notably warmer, embracing the arrival of spring with maximum temperatures reaching up to 24°C. This month stands out with its pleasant average of 19°C, creating an inviting atmosphere for outdoor activities. However, it is also marked by an increase in rainfall, as 186 mm of precipitation falls over about 12 days, adding a refreshing touch to the blooming scenery. The humidity level of 79% contributes to a rich, vibrant environment, differentiating April from the cooler, drier months preceding it. For a more detailed overview of Koshima's seasonal variations, visit Koshima Climate.