Last updated: August 21, 2025
April in Shimonoseki, Japan showcases a delightful transition into spring, with temperatures ranging from a minimum of 7°C (45°F) to a pleasant maximum of 22°C (71°F), leading to an average of 14°C (58°F). This month experiences a relatively high humidity level of 75%, creating a refreshing atmosphere. However, be prepared for occasional rainfall, as 129 mm (5.1 in) of precipitation is distributed over 10 days. Overall, April’s weather invites residents and visitors alike to embrace the beauty of the season while staying mindful of the occasional showers.
In April, Shimonoseki begins to shake off the chill of winter, with temperatures rising significantly as spring takes hold. The average temperature settles at a pleasant 14°C (58°F), marking a notable increase from the colder months. With minimum temperatures around 7°C (45°F) and highs reaching up to 22°C (71°F), this month offers a delightful mix of mild days and cool evenings, ideal for enjoying the city's blossoming cherry trees and vibrant outdoor activities. As April sets the stage for warmer days ahead, it signals a gradual transition toward the robust warmth of summer, inviting visitors to explore Shimonoseki's scenic beauty as nature comes alive.
April in Shimonoseki, Japan, is characterized by moderate precipitation, with an average rainfall of 129 mm (5.1 in) over approximately 10 days. This marks a decrease from March's significant rainfall of 165 mm (6.5 in), illustrating a trend of gradually diminishing precipitation as spring progresses. Despite this decline, April's rainfall is still ample enough to sustain the region's lush landscapes. As the month follows spring's arrival, residents can expect more frequent light showers rather than the heavy downpours often seen earlier in the year. This pattern sets the stage for a gradual transition to the wetter months ahead, which typically begin in June, suggesting an evolving climate rhythm that balances both dry and wet phases throughout the year.
In April, Shimonoseki, Japan, experiences a notable shift in humidity levels, averaging 75%. This slight increase from March's 69% indicates the arrival of warmer weather, as the city transitions into spring. Following a trend of rising humidity, May sees a significant jump to 84%, further enhancing the lush, vibrant landscapes that characterize this season. This April humidity level serves as a prelude to the even more humid months ahead, particularly the peak summer months of July and August, where levels soar to a steamy 95% and 93% respectively. Thus, April not only embodies a moment of climatic transition but also sets the stage for the lush, humid months that lie ahead in Shimonoseki's yearly weather cycle.
In April, Shimonoseki, Japan experiences a notable increase in the UV Index, reaching 10, which falls into the very high exposure category. This marks a significant rise from the previous month, where the UV Index peaked at 8 in March. With a burn time of just 15 minutes, residents and visitors are urged to take precautions against the sun's rays. As spring unfolds, this upward trend in UV radiation serves as a reminder of the increasing intensity of sunlight leading into the summer months. With May showing an even higher UV Index of 11, it's essential to stay informed and protected. For more detailed information, check out the Shimonoseki UV Index.
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In April, Shimonoseki basks in 280 hours of glorious sunshine, marking a delightful increase from the previous months. This month stands out as the precursor to even brighter days ahead, as it sets the stage for the peak of spring's warmth and vibrancy. The upward trend in sunshine hours continues into May, where residents enjoy an impressive 303 hours, followed closely by August, which boasts the highest total of 305 hours. This consistent pattern reveals a significant shift from the dreary winter months, as the city transitions into a season filled with shimmering sunlight and blooming landscapes, inviting both locals and visitors to embrace the outdoors. As April ushers in this radiant change, its bright days become a cherished prelude to the sun-soaked summer that lies just around the corner.
As the cool embrace of winter gives way to spring, April in Shimonoseki, Japan, presents a notable uptick in sunshine, with a 46% chance of sunny weather. This marks a slight increase from the 36% recorded in March and surpasses the chances seen in the month prior, February, which stands at 44%. April's favorable weather signals the onset of brighter days, while May's decline to 34% suggests a transitional phase as the region prepares for the summer heat. Overall, April stands out as a month where residents and visitors alike can expect an increased likelihood of enjoying the beauty of sunlit landscapes, making it an ideal time for outdoor activities and exploration.
As spring unfolds in Shimonoseki, April marks a notable increase in daylight duration, with 13 hours of bright sunlight enriching the day. This uptick from March's 11 hours signifies a welcoming transition toward longer, sunnier days, setting the stage for the vibrant months ahead. Following April, May continues this trend, bringing the same 13 hours of daylight, while June and July reach their peak at 14 hours, allowing residents and visitors alike to bask in the warmth and beauty of nature. As summer fades into autumn, the daylight gradually diminishes, echoing the cyclical dance of the seasons.
In April, the winds in Shimonoseki, Japan, settle at an average speed of 5.6 m/s (12 mph), mirroring the gentle breezes of March. This serene wind pattern marks a transition from the brisk gusts of winter, peaking at 6.5 m/s in January, and 6.7 m/s in February, to the more temperate conditions of late spring. As the month progresses, we witness a gradual decline, with speeds tapering off to 5.0 m/s in May, hinting at the upcoming warmer months ahead where the winds become softer, averaging around 4-5 m/s. This noticeable drop in wind velocity not only signals the arrival of spring but also enhances the blooming beauty of Shimonoseki, making April a refreshing time to experience the city's vibrant landscapes.
Weather in Shimonoseki varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Shimonoseki, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather experiences. In April, temperatures rise significantly, with a minimum of 7°C (45°F) and an average of 14°C (58°F), peaking at 22°C (71°F). The month sees considerable precipitation as well, totaling 129 mm (5.1 in) over 10 days, accompanied by a humidity level of 75%. In contrast, January is much cooler, featuring a minimum of -1°C (30°F) and an average of 8°C (46°F), with a maximum of 17°C (64°F). The precipitation in January is lower, at 84 mm (3.3 in) over 12 days, and the humidity remains slightly higher at 76%. For a more detailed look at January weather, you can check Shimonoseki weather in January. Overall, April offers a milder and wetter climate compared to the colder, drier conditions of January.
April generally offers more moderate temperatures compared to February, with average temperatures rising from February’s 8°C (46°F) to a pleasant 14°C (58°F) in April. While February experiences colder nights with a minimum temperature of -1°C (31°F), April’s temperatures rarely drop below 7°C (45°F). Additionally, April sees a higher total precipitation of 129 mm (5.1 in) over 10 days compared to February’s 93 mm (3.6 in) over 11 days, resulting in a wetter month despite slightly lower humidity levels in April at 75% versus February's 72%. For those interested in a more detailed look at February's conditions, you can visit Shimonoseki weather in February.
April generally sees milder temperatures compared to March, with average highs reaching 22°C (71°F), up from March's maximum of 18°C (64°F). The minimum temperatures also rise slightly, sitting at 7°C (45°F) in April versus 4°C (39°F) in March. However, April experiences lower total precipitation at 129 mm (5.1 in) over 10 days, compared to March's 165 mm (6.5 in) over 12 days. Additionally, humidity increases in April to 75%, slightly higher than March's 69%. For more specific details on March's weather, you can visit Shimonoseki weather in March.
April and May exhibit a noticeable evolution in weather conditions. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), with an average of 14°C (58°F). The month sees around 129 mm (5.1 in) of precipitation spread over 10 days, accompanied by a humidity level of 75%. In contrast, May brings warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 25°C (77°F), averaging 18°C (65°F). The precipitation slightly increases to 141 mm (5.5 in), also over 10 days, but humidity rises to 84%. Overall, May offers a warmer and slightly more humid environment compared to April. For a detailed overview of the conditions, you can check Shimonoseki weather in May.
April and June present contrasting weather experiences. In April, temperatures range from a cool minimum of 7°C (45°F) to a comfortable maximum of 22°C (71°F), with an average of 14°C (58°F). This month sees a significant amount of rainfall, totaling 129 mm (5.1 in) over about 10 days, accompanied by a humidity level of 75%. In contrast, June warms up considerably, with temperatures starting at a minimum of 16°C (62°F), averaging 21°C (71°F), and peaking at 27°C (81°F). Rainfall increases to 194 mm (7.7 in), spread over 11 days, and humidity rises to 88%. For more details on the weather specifics, check out Shimonoseki weather in June.
In comparing the weather between April and July, it's clear that July is significantly warmer and more humid. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), with an average of 14°C (58°F). The month sees around 129 mm (5.1 in) of precipitation spread over about 10 days, accompanied by a humidity level of 75%. In contrast, July boasts much higher temperatures, starting at a minimum of 20°C (69°F) and reaching a maximum of 31°C (88°F), with an average of 25°C (78°F). However, it also experiences increased precipitation, totaling 295 mm (11.6 in) over 16 days, and a noticeable rise in humidity to 95%. For more specific insights into July weather, you can check Shimonoseki weather in July.
April and August present distinctly contrasting weather patterns. In April, temperatures range from a cool minimum of 7°C (45°F) to a pleasant maximum of 22°C (71°F), with an average around 14°C (58°F). The month experiences about 129 mm (5.1 in) of precipitation over roughly 10 days, accompanied by a humidity level of 75%. Conversely, August is much warmer, with temperatures starting at a minimum of 21°C (69°F) and peaking at 32°C (89°F), averaging 27°C (81°F). This month sees higher precipitation levels at 251 mm (9.9 in), spanning 13 days, and a notable increase in humidity at 93%. For more detailed insights, check out Shimonoseki weather in August.
April and September present contrasting weather patterns. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), with an average of 14°C (58°F). The month sees 129 mm (5.1 in) of precipitation over approximately 10 days, coupled with a humidity level of 75%. In contrast, September boasts warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 32°C (89°F), averaging 24°C (76°F). Precipitation increases to 226 mm (8.9 in) over 12 days, and humidity rises to 84%. For more detailed weather information, visit Shimonoseki weather in September.
April and October both feature moderate temperatures, but they differ significantly in warmth. In April, temperatures range from a chilly 7°C (45°F) at night to a comfortable maximum of 22°C (71°F) during the day, while October enjoys milder evenings starting at 14°C (57°F) and peak daytime temperatures reaching 27°C (82°F). Precipitation levels are quite similar, with April receiving 129 mm (5.1 in) over approximately 10 days, compared to 121 mm (4.7 in) in October across 11 days. Additionally, humidity levels are slightly higher in October at 79%, as opposed to April's 75%. For further details, you can check Shimonoseki weather in October.
April and November present mild weather conditions, but with notable differences. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), with an average of 14°C (58°F). The month experiences more precipitation, with 129 mm (5.1 in) falling over approximately 10 days, resulting in a humidity level of 75%. In contrast, November boasts slightly warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 23°C (74°F), averaging 15°C (59°F). Additionally, November is drier, receiving only 54 mm (2.1 in) of rain over 8 days while maintaining a similar humidity level of 76%. For more details, check out Shimonoseki weather in November.
In April, the weather tends to be milder with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 22°C (71°F), averaging around 14°C (58°F). This month experiences higher precipitation, totaling 129 mm (5.1 in) over approximately 10 days, along with a humidity level of 75%. In contrast, December presents cooler temperatures with a minimum of 1°C (34°F) and a maximum of 20°C (68°F), averaging 10°C (50°F). While December has less total precipitation at 89 mm (3.5 in) spread over about 12 days, the humidity remains consistent at 75%. For more details on December weather, check out Shimonoseki weather in December.
As spring unfolds in Shimonoseki, April brings a delightful shift in the weather, offering warmer temperatures that invite outdoor exploration. The city enjoys a gentle average warmth, making it the perfect time for strolls along the waterfront or enjoying local cherry blossoms. However, be prepared for occasional rain, as this month sees a fair number of precipitation days, leading to a refreshing, albeit humid, atmosphere. Compared to the chillier winter months, April feels noticeably milder, yet the occasional shower adds a splash of vivacity to the spring landscape. For a deeper understanding of the climate nuances, check out Shimonoseki Climate.