Last updated: August 21, 2025
In April, Shimabara, Japan, experiences a delightful transition into spring, with temperatures ranging from a pleasant maximum of 29°C (84°F) to a refreshing minimum of 5°C (41°F). The average temperature hovers around 16°C (62°F), creating an inviting climate for outdoor activities. However, residents and visitors should be prepared for approximately 135 mm (5.3 inches) of precipitation spread across 8 rainy days, contributing to a relatively high humidity level of 78%. This combination of warmth and moisture fosters the lush beauty that characterizes the region during this vibrant month.
In April, Shimabara experiences a delightful transition into spring, with temperatures gradually warming to a minimum of 5°C (41°F) and peaking at a comfortable 29°C (84°F). The average temperature rises to 16°C (62°F), marking a significant shift from the cooler months of winter. As the chill of early spring dissipates, the region begins to embrace the vibrancy of nature, inviting both locals and visitors to enjoy outdoor activities under the increasingly sunny skies. This month not only signifies warmer weather but also hints at the approaching summer, making April a lovely time to experience the beauty of Shimabara as it awakens from its winter slumber.
April in Shimabara, Japan, presents a unique blend of rainfall, capturing the transition towards the more abundant downpours of late spring and summer. With 135 mm (5.3 in) of precipitation over 8 days, April experiences a dip from March's significant 145 mm (5.7 in), hinting at a more stable weather pattern as the region warms up. This month, while still well-hydrated, sets the stage for May's increase to 214 mm (8.4 in), as nature prepares to shower the landscape more generously. The consistent rainfall in April supports the blooming of vibrant flora, showcasing the beauty of the season while providing much-needed moisture ahead of the forthcoming heavier rains in June and July.
In April, Shimabara experiences a notable rise in humidity, reaching 78%, and setting the stage for the more humid months ahead. This increase marks a shift from the slightly lower levels observed in March and February, which hovered around 71%. As spring progresses, the humidity continues to climb, paving the way for May's substantial 84%, and ultimately leading to the peak summer months where humidity skyrockets to 92% in July. This trend illustrates the gradual transition from the cooler, drier winter months into a more tropical climate, enveloping Shimabara in a lush, moist atmosphere as it heads into summer.
In April, the UV Index in Shimabara, Japan reaches a striking 11, categorizing it as extreme and significantly reducing safe sun exposure time to just 10 minutes. This sharp increase follows a trend of escalating UV levels that began in March, where the index climbed to 8, and it remains consistent through the following months of May and June. Interestingly, as spring turns into summer, the UV Index peaks further in July and August at 12, emphasizing the importance of sun protection during this period. As you bask in the warmth of April, be sure to stay vigilant against harmful UV rays; for detailed insights about UV levels year-round, check out Shimabara UV Index.
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April in Shimabara, Japan, is a time when sunshine truly flourishes, with 282 hours of bright daylight illuminating the landscape. This noteworthy increase from the previous months—marked by 264 hours in March and 234 hours in February—signals the arrival of spring and the vibrant life it brings. As the days grow longer, the warmth of the sun captivates residents and visitors alike, setting the stage for a picturesque transition into May, which still boasts a respectable 279 hours of sunshine. This upward trend not only highlights the essence of spring in Shimabara but also showcases the region's climatic charm, as the sun reawakens nature and invigorates the community after the subdued winter months.
In April, Shimabara experiences a 41% chance of sunny weather, slightly higher than the preceding months of January and March, which offer 38% and 37% sunshine, respectively. This modest increase signals a shift as spring takes hold, making the area feel more vibrant and alive. However, the sun's presence is still not as dependable as in the autumn months, particularly October, which boasts a robust 64% likelihood of sunny days. Following April, the chance of sunshine dips again in May to 28%, indicating that while spring brings some respite from the overcast winter, the sunny days remain a precious commodity in Shimabara's climate cycle.
In April, Shimabara, Japan, experiences a noticeable shift towards longer days, with daylight extending to 12 hours. This increase marks a transition from the more subdued daylight hours of winter—where January through March see only 10 to 11 hours—and signals spring's arrival as days gradually become brighter and longer. Following April, the trend continues upward, peaking at 14 hours in June and July, before tapering off again in the fall. This seasonal rhythm not only enhances the beauty of the landscape but also invites residents and visitors alike to embrace more outdoor activities as nature awakens from its winter slumber.
In April, Shimabara experiences a gentle embrace of wind, with an average speed of 2.7 m/s (6 mph). As spring unfolds, the breeze becomes slightly calmer compared to the preceding months, where March recorded a brisker pace of 2.8 m/s (6 mph). This trend continues into May, with wind speeds decreasing to 2.6 m/s (6 mph), signaling a serene transition towards the warmer summer months. Interestingly, the overall pattern indicates that while the winter months boast a bit more vigor in wind speeds, spring offers a refreshing respite, setting the stage for the tranquility that summer brings.
Weather in Shimabara varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Shimabara, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite different weather experiences. In April, temperatures range from a mild 5°C (41°F) at night to a warm 29°C (84°F) during the day, with an average of 16°C (62°F). This month also sees more significant rainfall, totaling 135 mm (5.3 in) over about 8 days, accompanied by higher humidity at 78%. In contrast, January features much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 19°C (66°F), averaging around 8°C (46°F). Precipitation is less frequent, with 53 mm (2.1 in) across 6 days, and humidity is slightly lower at 75%. For a closer look at what January offers, you can explore Shimabara weather in January.
April weather is significantly milder than that of February, with average temperatures rising from 8°C (48°F) in February to a more comfortable 16°C (62°F) in April. While February experiences colder minimum temperatures dipping to -2°C (29°F), April sees temperatures starting at a minimum of 5°C (41°F). Additionally, April has higher maximum temperatures, reaching up to 29°C (84°F), compared to February's peak of 22°C (71°F). Despite April having more rainfall, with 135 mm (5.3 in) over 8 days, February’s precipitation of 92 mm (3.6 in) spread over 9 days indicates that both months share a relatively similar amount of rainy days. For more details on February weather, you can check Shimabara weather in February.
In comparing the weather of April and March, April boasts slightly warmer temperatures, with a minimum of 5°C (41°F) and an average of 16°C (62°F), compared to March's minimum of 3°C (37°F) and average of 12°C (55°F). While both months experience significant precipitation, March has a marginally higher total of 145 mm (5.7 in) over 11 days, versus April's 135 mm (5.3 in) over 8 days. Additionally, April's humidity is higher at 78%, compared to March's 71%. For a more detailed look at March's weather, you can refer to Shimabara weather in March.
In comparing the weather between April and May, we observe a notable increase in temperatures and precipitation. April experiences minimum temperatures around 5°C (41°F) and an average of 16°C (62°F), reaching a maximum of 29°C (84°F), while May sees these values rise, with minimums of 10°C (50°F), an average of 21°C (69°F), and a peak of 30°C (86°F). Additionally, May brings more rain, with total precipitation of 214 mm (8.4 in) over 12 days compared to April’s 135 mm (5.3 in) over 8 days. Humidity also tends to be higher in May at 84%, compared to 78% in April. For more detailed insights, check out Shimabara weather in May.
In comparing the weather of April and June, April presents milder temperatures with a minimum of 5°C (41°F) and an average of 16°C (62°F), while June sees significantly warmer conditions, with minimums around 16°C (60°F) and an average of 24°C (75°F). Additionally, June experiences higher maximum temperatures, peaking at 32°C (90°F) compared to April's maximum of 29°C (84°F). Precipitation is also notably greater in June, with 262 mm (10.3 in) falling over 15 days, whereas April receives 135 mm (5.3 in) over just 8 days. Humidity levels rise slightly in June to 86%, compared to April's 78%. For more details on June's weather patterns, you can visit Shimabara weather in June.
In April, the weather features a more temperate climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), and an average temperature of 16°C (62°F). The month sees about 135 mm (5.3 in) of precipitation over 8 days, accompanied by a humidity level of 78%. In contrast, July experiences significantly warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching 37°C (99°F), averaging 27°C (82°F). However, July is also much wetter, receiving 475 mm (18.7 in) of rainfall over 19 days and a higher humidity of 92%. The stark contrast in temperature and precipitation makes April and July distinctly different months. For more details about July weather, check this link: Shimabara weather in July.
April and August present striking contrasts in weather. In April, temperatures range from a cool minimum of 5°C (41°F) to a moderate maximum of 29°C (84°F), averaging around 16°C (62°F). The month sees about 135 mm (5.3 in) of precipitation over 8 days, with humidity at a comfortable 78%. In contrast, August boasts much warmer conditions, with minimum temperatures starting at 20°C (68°F) and reaching a scorching maximum of 39°C (102°F), averaging 29°C (85°F). This summer month is significantly wetter, with total precipitation reaching 303 mm (11.9 in) across 14 days and humidity peaking at 91%. Such differences highlight the dramatic seasonal shifts, making Shimabara weather in August notably more intense.
In comparing the weather between April and September, we see a significant shift in temperature and precipitation patterns. April boasts a wider temperature range, with minimums dropping to 5°C (41°F) and daytime averages around 16°C (62°F), peaking at 29°C (84°F). In contrast, September offers milder evenings with minimums of 16°C (62°F), averaging 25°C (78°F) during the day and reaching highs of 35°C (94°F). Rainfall is also notably greater in September, with 228 mm (9.0 in) of precipitation over 15 days, compared to April's 135 mm (5.3 in) over just 8 days. Additionally, humidity levels rise slightly from April's 78% to September's 84%, contributing to a more sultry feel as the summer ends. For a closer look at September weather specifics, check out Shimabara weather in September.
April and October each bring distinct weather characteristics, offering unique experiences. In April, temperatures range from a cooler minimum of 5°C (41°F) to a warmer maximum of 29°C (84°F), with an average of 16°C (62°F). The month is fairly wet, with 135 mm (5.3 in) of precipitation over about 8 days, and humidity levels averaging around 78%. In contrast, October tends to be warmer, with minimum temperatures starting at 10°C (50°F) and reaching up to 33°C (91°F), averaging 21°C (69°F). The precipitation is slightly lower at 120 mm (4.7 in) over 9 days, with humidity a bit higher at 83%. For a deeper look at what to expect, you can check Shimabara weather in October.
April and November showcase distinct weather characteristics, with April generally featuring a warmer climate compared to November. In April, temperatures range from a minimum of 5°C (41°F) to a pleasant maximum of 29°C (84°F), while November's temperatures are slightly cooler, from a minimum of 3°C (38°F) to a maximum of 25°C (78°F). Additionally, April experiences more precipitation, totaling 135 mm (5.3 in) over 8 days, compared to November's 80 mm (3.1 in) during the same number of days. Both months have high humidity levels—78% in April and 81% in November—though November's slight increase in humidity contributes to an overall cooler feel. For more detailed information on November weather, visit Shimabara weather in November.
In comparing the weather patterns of April and December, April exhibits a wider temperature range, with minimums of 5°C (41°F) and maximums reaching 29°C (84°F), resulting in an average temperature of 16°C (62°F). This month also sees significantly higher precipitation at 135 mm (5.3 in) over about 8 days, accompanied by a humidity level of 78%. In contrast, December features cooler temperatures, with a minimum of 0°C (33°F), an average of 10°C (49°F), and a maximum of 24°C (76°F). The precipitation during this month is lower, totaling 89 mm (3.5 in) across 7 days, while humidity remains slightly higher at 79%. For more detailed insights, you can explore Shimabara weather in December.
As April unfolds in Shimabara, the weather showcases a delightful transition, offering a refreshing break from the cooler months. With temperatures climbing significantly, this month brings a pleasant warmth that encourages outdoor activities. While April can experience some rain, with about eight days of precipitation, the overall humidity remains high, lending a lush vibrancy to the scenery. Compared to the chillier, drier winter months, April's weather introduces a more temperate and inviting atmosphere, making it an ideal time to explore the natural beauty of the region. For more insights into how Shimabara's spring climate compares year-round, check out Shimabara Climate.