Last updated: August 21, 2025
In April, Sasebo, Japan, experiences a delightful range of temperatures, with a maximum reaching 27°C (82°F) and an average of 16°C (60°F). The month brings a refreshing minimum of 6°C (42°F), creating a pleasant climate. However, residents should be prepared for an average of 9 days of rain, contributing to a total precipitation of 114 mm (4.5 in). With humidity levels hovering around 79%, April in Sasebo is a vibrant blend of mild warmth and refreshing showers, ideal for enjoying the blossoming beauty of spring.
As April arrives in Sasebo, Japan, temperatures begin to warm up significantly, signaling the transition to spring. With minimums of 6°C (42°F) and maximums reaching a comfortable 27°C (82°F), the month offers a noticeable uplift from the cooler months of January through March. The average temperature of 16°C (60°F) invites locals and visitors alike to embrace outdoor activities amid blooming cherry blossoms. This upward trend not only reflects the increasing warmth but also sets the stage for the even hotter months ahead, making April a delightful time to explore the vibrant landscapes of Sasebo. The gradual rise in temperatures from the preceding months suggests a shift towards sunnier days, fostering a lively atmosphere that perfectly captures the essence of spring in this coastal city.
In April, Sasebo experiences a notable transition in its precipitation patterns, receiving an average of 114 mm (4.5 in) over 9 days. This marks a decrease from the heavier rainfall of March, which recorded 132 mm (5.2 in), yet it still contributes significantly to the overall springtime wetness. As the month unfolds, residents can anticipate a blend of refreshing showers that signal the arrival of warmer weather, contrasting with the drier months at the beginning of the year. The gradual rise in precipitation from January's 57 mm to April's totals reflects the region's shift towards the more humid and dynamic climate of late spring, setting the stage for even higher rainfall as summer approaches.
April marks a noticeable shift in humidity levels in Sasebo, Japan, as the average climbs to a soggy 79%. This increase reflects the gradual transition into the more humid months ahead, with May and June reaching 87% and a steamy 91%, respectively. The trend showcases a steady rise from the earlier months of the year, where humidity hovered around the low 70s. As the seasons change, the air thickens with moisture, foreshadowing the high humidity that characterizes the summer, peaking at a staggering 97% in July. This pattern not only enhances Sasebo's lush landscapes but also signals to residents and visitors alike the onset of a warm, humid season.
In April, Sasebo, Japan, experiences a significant shift in UV radiation, with the UV Index reaching 10, classified as very high. This represents an increase from 8 in March, indicating that the sun’s intensity is rapidly growing as spring unfolds. With a burn time of just 15 minutes, residents and visitors alike should take extra precautions to shield their skin from harmful rays. This pattern of escalating UV levels continues into May, which attains an extreme rating, suggesting that the warmer months will demand vigilant sun safety measures. For a comprehensive look at UV trends throughout the year, visit Sasebo UV Index.
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As spring unfolds in Sasebo, Japan, April is a month that truly basks in the glow of abundant sunshine, contributing 284 hours of daylight. This growth in sunlight marks not only a seasonal transition but also a steady rise from the 264 hours seen in March. With May following closely behind at 288 hours, this gentle increase hints at the approach of summer, culminating in the sunniest month of the year, August, which bathes the city in an impressive 306 hours of sunlight. The pattern illustrates a clear trend: as the year progresses, daylight hours gradually climb, fostering invigorating days and vibrant outdoor experiences for residents and visitors alike. With each passing month, Sasebo transforms under the warmth of the sun, inviting all to revel in its seasonal beauty.
In Sasebo, Japan, the transition into spring brings a modest increase in the likelihood of sunny weather, with April showcasing a 40% chance of sunshine. This marks a slight rise from March's 36%, suggesting that as winter recedes, more pleasant days are on the horizon. However, while April offers an optimistic outlook, the sunniness starts to dwindle in May, plunging to 32%. Interestingly, this trend highlights April as a pivotal moment when residents can embrace the blooming beauty of spring under clearer skies before the humid summer months arrive, characterized by much lower chances of sun, especially in July and June. Thus, April stands out as an appealing time for outdoor activities in Sasebo, while still embracing the unpredictable nature of early spring weather.
As April unfolds in Sasebo, Japan, residents bask in 13 hours of daylight, a significant increase from the 11 hours seen just a month prior. This upward trend not only heralds the arrival of spring but also lays the groundwork for the even longer days that follow, peaking at 14 hours in June and July. The gradual lengthening of daylight from the dark depths of winter—where January and February see only 10 hours—transforms the landscape and invigorates outdoor activities. As the days continue to grow longer through May and into summer, Sasebo embraces the warmth and vibrancy that this seasonal shift brings.
In April, Sasebo experiences a gentle breeze with an average wind speed of 3.5 m/s (8 mph), marking a slight decline from the previous months. This trend toward calmer winds continues from the vibrant breezes of winter, where the wind speed was a consistent 4.0 m/s in both January and February. As spring unfolds, April's lighter winds set a serene backdrop for blossoming nature, transitioning into even milder currents as the summer approaches. The gentle whispers of April air are a precursor to May's even softer average of 3.2 m/s (7 mph), hinting at a peaceful shift in the season, while still retaining the characteristic charm of this picturesque coastal city.
Weather in Sasebo varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sasebo, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite contrasting weather conditions. In January, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 18°C (66°F), with an average of 8°C (46°F). This month sees less precipitation at 57 mm (2.2 in) over about 7 rainy days and a humidity level of 73%. In stark contrast, April enjoys a much warmer climate, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 27°C (82°F) and an average of 16°C (60°F). Although April is wetter with 114 mm (4.5 in) of rainfall over 9 days, the humidity rises to 79%, making it feel more tropical. For a deeper look into January's weather specifics, you can visit Sasebo weather in January.
In comparing the weather between April and February, April emerges as the warmer month, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 27°C (82°F) and an average of 16°C (60°F). In contrast, February experiences cooler temperatures, with a minimum of -1°C (30°F), an average of 8°C (47°F), and a maximum of 21°C (70°F). Additionally, April sees more rainfall with 114 mm (4.5 in) over nine days, compared to February's 79 mm (3.1 in), also over nine days. The humidity in April is higher at 79%, compared to February's 69%, making April feel a bit more humid and warmer overall. For more detailed information, check Sasebo weather in February.
In comparing the weather of April to that of March, April generally brings milder temperatures and increased warmth. The minimum temperature in April is 6°C, compared to March's 2°C, while the average temperature rises to 16°C in April, up from 12°C in March. April also sees a higher maximum temperature of 27°C, compared to March's maximum of 23°C. However, April experiences slightly less precipitation at 114 mm over 9 days, while March has 132 mm over 10 days. Humidity is higher in April at 79%, compared to 71% in March. For more detailed insights into March weather, visit Sasebo weather in March.
April and May present a noticeable shift in weather patterns. In April, the temperature fluctuates from a cool 6°C (42°F) at its lowest to a comfortable 27°C (82°F) at its peak, averaging around 16°C (60°F). The month sees about 114 mm (4.5 in) of precipitation across 9 days, with humidity around 79%. In contrast, May warms up, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 28°C (83°F), averaging 20°C (68°F). However, May experiences more rainfall, totaling 168 mm (6.6 in) over 11 days and higher humidity at 87%. For more detailed information, check out Sasebo weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 6°C (42°F) to an average of 16°C (60°F), peaking at 27°C (82°F). The month sees about 114 mm (4.5 in) of precipitation over approximately 9 days, with humidity levels around 79%. In contrast, June enjoys warmer temperatures, with a minimum of 16°C (61°F), an average of 23°C (74°F), and a maximum of 31°C (89°F). However, it is also wetter, with precipitation reaching 200 mm (7.9 in) across 12 days and humidity increasing to 91%. For more details on the weather in June, you can visit Sasebo weather in June.
In April, temperatures in Sasebo range from a chilly minimum of 6°C (42°F) to a comfortable maximum of 27°C (82°F), with an average temperature of 16°C (60°F). This month experiences about 114 mm (4.5 in) of precipitation over 9 days, accompanied by a humidity level of 79%. In contrast, July brings a significant shift in weather, with temperatures soaring from a minimum of 19°C (66°F) to a blistering maximum of 36°C (96°F), averaging around 27°C (80°F). Rainfall increases substantially to 361 mm (14.2 in) spread over 18 days, with humidity levels rising to a sweltering 97%. For more information, you can check Sasebo weather in July.
April and August present quite contrasting weather patterns. In April, temperatures range from a cool minimum of 6°C (42°F) to a pleasant maximum of 27°C (82°F), with an average of 16°C (60°F). The month experiences moderate rainfall, totaling 114 mm (4.5 in) over around 9 days, accompanied by a humidity level of 79%. In stark contrast, August sees a much warmer climate, with minimum temperatures starting at 20°C (68°F) and soaring to a maximum of 37°C (99°F), averaging 28°C (83°F). The precipitation also significantly increases in August, with 288 mm (11.3 in) over approximately 15 days and a higher humidity of 94%. For more detailed insights about the weather in August, you can visit Sasebo weather in August.
April and September weather conditions present a notable contrast. In April, temperatures range from a cool minimum of 6°C (42°F) to a comfortable maximum of 27°C (82°F), averaging around 16°C (60°F). This month experiences approximately 114 mm (4.5 in) of precipitation over 9 days, with humidity levels at 79%. In contrast, September brings warmer temperatures, starting at a minimum of 17°C (63°F) and reaching a maximum of 34°C (94°F), with an average of 25°C (77°F). However, this month also sees increased precipitation, totaling 222 mm (8.7 in) over 15 days, and slightly higher humidity at 84%. To learn more about specific weather trends in September, you can check Sasebo weather in September.
April and October present contrasting yet mild weather patterns. In April, temperatures range from a minimum of 6°C (42°F) to a pleasant average of 16°C (60°F), peaking at 27°C (82°F). The month sees moderate rainfall, accumulating 114 mm (4.5 in) over approximately 9 rainy days, coupled with a humidity level of 79%. In comparison, October enjoys slightly warmer temperatures, with a minimum of 11°C (51°F) and an average of 20°C (68°F), topping out at a warmer 31°C (88°F). Precipitation is a bit lighter at 109 mm (4.3 in), also spread across 9 days, while humidity remains stable at 79%. For more information about October weather, check out Sasebo weather in October.
April and November present distinct weather experiences, with April generally enjoying slightly warmer temperatures. In April, the minimum temperature is around 6°C (42°F), peaking at 27°C (82°F) with an average of 16°C (60°F). In contrast, November's temperatures range from a minimum of 4°C (40°F) to a maximum of 25°C (77°F), averaging 15°C (58°F). Precipitation is more frequent in April, with 114 mm (4.5 in) over about 9 days, while November sees lower rainfall at 51 mm (2.0 in) across 7 days. Humidity also differs slightly, as April holds an average of 79% compared to November's 75%. For a closer look at the weather specifics in November, you can visit Sasebo weather in November.
April and December present contrasting weather experiences. In April, temperatures range from a minimum of 6°C (42°F) to a maximum of 27°C (82°F), with an average of 16°C (60°F). The month sees considerable precipitation, totaling 114 mm (4.5 in) over about 9 days, accompanied by relatively high humidity levels at 79%. In contrast, December features cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 23°C (74°F), averaging just 9°C (49°F). Precipitation decreases to 74 mm (2.9 in) over 7 days, and humidity is somewhat lower at 72%. For more detailed information about December conditions, you can check Sasebo weather in December.
April in Sasebo signals the arrival of spring, bringing a delightful shift in weather compared to the chill of winter months. With average temperatures rising to a comfortable 16°C (60°F) and maximums reaching up to 27°C (82°F), residents and visitors can enjoy the outdoors as the landscape bursts into bloom. Although precipitation persists, with an average of nine rainy days and 114 mm of rainfall, the humidity level at 79% enhances the vibrant atmosphere of the season. This month stands out as a time of renewal, making it perfect for exploring the area's scenic beauty. For more insights on how April fits into the broader climate context, check out Sasebo Climate.