Last updated: August 21, 2025
April in Aso, Japan is a delightful blend of spring warmth and occasional showers. With maximum temperatures reaching a pleasant 27°C (81°F) and an average of 14°C (57°F), the weather encourages outdoor adventures amidst stunning landscapes. However, temperatures can dip as low as -1°C (31°F) during cooler nights. The month brings 135 mm (5.3 in) of rainfall over 10 days, contributing to the area's lush greenery. With an average humidity of 78%, visitors can expect a mild and refreshing atmosphere, perfect for experiencing the beauty of Aso's spring bloom.
In April, Aso, Japan, experiences a delightful transition as it emerges from the chill of winter. With minimum temperatures hovering around -1°C (31°F), the region begins to awaken, showcasing an average of 14°C (57°F) and maximums soaring to 27°C (81°F). This remarkable leap not only signals the arrival of spring but also highlights the rapid warming trend from the cooler months of March, where temperatures barely nudged past the single digits. As cherry blossoms bloom and nature flourishes, April sets the stage for warmer months ahead, inviting both locals and travelers to embrace the vibrant beauty of Aso’s landscapes.
April in Aso, Japan, brings a notable 135 mm (5.3 in) of precipitation, slightly less than the previous month. With an average of 10 rainy days, the weather is characterized by a blend of refreshing spring showers and blooming landscapes. This marks a transitional phase, as precipitation begins to ramp up in May, where 209 mm (8.2 in) is expected over 13 days. Interestingly, the overall trend suggests a gradual increase in rainfall from January's drier patterns, peaking in the summer months. As the cherry blossoms flourish, April's moisture plays a crucial role in nurturing the vibrant scenery that characterizes this beautiful region.
In April, Aso, Japan experiences a notable increase in humidity, rising to 78%. This slight uptick follows the steady 71% seen in both February and March, hinting at the gradual transition into the more humid months ahead. As spring unfolds, humidity levels begin their ascent, ultimately peaking in the sultry summer months, where they soar to 92% in July. This trend highlights Aso's characteristic weather pattern, where early spring lays the groundwork for the lush, moisture-laden environment that defines the region throughout the warmer seasons.
In April, Aso, Japan experiences a significant surge in the UV Index, reaching an extreme level of 11, which is reflective of a broader upward trend as the year progresses. Following a moderate start in January, the UV Index climbs steadily through the months, peaking in April alongside May and June at this extreme rating. With a critical burn time of just 10 minutes, it's essential for locals and visitors alike to take precautionary measures, such as applying sunscreen and wearing protective clothing. As the sun's intensity increases, staying informed about daily UV levels becomes crucial for safety. For more detailed information, you can check the Aso UV Index.
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April in Aso, Japan, welcomes vibrant sunshine, accumulating 277 hours of bright daylight, which marks a delightful peak as the seasons transition toward summer. This month reflects a steady upward trend, following the increase from 259 hours in March, culminating in one of the sunniest times of the year, just shy of May's record at 283 hours. As nature bursts into bloom, the sun’s warm embrace invigorates both the landscape and the spirit, inviting residents and visitors alike to revel in the longer days and invigorating outdoor adventures. The consistent rise in sunlight hours from the beginning of the year signifies not just a shift in weather but a blossoming energy that energizes the picturesque surroundings of Aso.
In Aso, Japan, April experiences a 41% chance of sunny weather, slightly lower than the preceding months of January and February, both at 43%. This trend reflects a gradual decline in sunshine as winter wanes and spring begins, with March dipping to 37%. Interestingly, the likelihood of sun takes a notable dive through the summer months, reaching its lowest point in July at just 15% before rebounding in the fall. Thus, while April holds a decent prospect of sunny days, the approaching summer signals a significant shift toward cloudier conditions. Overall, those planning to visit Aso can anticipate a mix of weather but should prepare for the shifting patterns that define the region's climate as spring unfolds.
In Aso, Japan, April marks a noticeable shift towards longer days, with daylight extending to 12 hours. This increase follows a gradual rise from 11 hours in March, heralding the arrival of spring and the blossoming of nature. As the days continue to lengthen, May will see an impressive 13 hours of daylight, paving the way for vibrant outdoor activities and exploration. This trend of expanding daylight hours continues into the summer months, where June and July boast 14 hours, before gently tapering off in late summer and fall. The gradual transition from winter’s shorter days to the longer, sunlit stretches of spring and summer reflects the beauty of the changing seasons in this picturesque region of Japan.
In April, the gentle breeze of Aso, Japan, reaches an average wind speed of 2.5 m/s (5 mph), providing a refreshing contrast to the chillier months preceding it. As spring settles in, we notice a slight uptick compared to March's 2.2 m/s (5 mph), marking April's winds as a symbol of renewal. This month maintains a consistent wind pattern, similar to both January and November, which also hover around the 5 mph mark. Interestingly, April's winds are slightly brisker than those in May, revealing a seasonal transition as nature awakens. The overall trend showcases a gentle variability, highlighting how Aso's winds play a subtle yet crucial role in shaping the region's changing seasons.
Weather in Aso varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Aso, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present a stark contrast in weather conditions. In April, temperatures range significantly, with a minimum of -1°C (31°F) and a pleasant average of 14°C (57°F), peaking at a warm 27°C (81°F). This month experiences more precipitation, totaling 135 mm (5.3 in) over approximately 10 days, accompanied by a higher humidity level of 78%. In comparison, January is much colder, with temperatures ranging from a minimum of -7°C (20°F) to an average of 4°C (39°F) and a maximum of only 16°C (62°F). It sees less rainfall at 58 mm (2.3 in) spread over about 6 days, with a humidity level of 75%. For more information on January weather, check Aso weather in January.
When comparing the weather in April and February, it’s clear that April offers a more temperate climate with higher average temperatures, reaching up to 27°C (81°F) compared to February's maximum of 19°C (67°F). April experiences a wider temperature range, with a minimum of -1°C (31°F), whereas February can dip down to as low as -8°C (18°F). Although both months see precipitation on about 10 days, April has a higher total rainfall of 135 mm (5.3 in) compared to February's 98 mm (3.9 in). Additionally, April's humidity level is slightly higher at 78%, compared to February's 71%. For more specific insights, you can explore Aso weather in February.
April generally experiences milder and more varied temperatures compared to March. The minimum temperature in April is slightly higher at -1°C (31°F) vs. -3°C (27°F) in March, while the average temperature rises to 14°C (57°F) from March's 9°C (49°F). Additionally, April sees a higher maximum temperature of 27°C (81°F) compared to March's 23°C (73°F).
Precipitation levels remain relatively close between the two months, with April recording 135 mm (5.3 in) over 10 days, slightly less than March's 137 mm (5.4 in) over 12 days. Humidity is also higher in April at 78%, compared to March's 71%. For a detailed comparison, you can visit Aso weather in March.
April and May present a noticeable shift in weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), with an average of 14°C (57°F). The month sees about 135 mm (5.3 in) of precipitation over 10 days, and humidity levels sit around 78%.
In contrast, May boasts a slightly milder minimum temperature of 2°C (36°F) and an average of 18°C (65°F), reaching up to 30°C (85°F) at its peak. Precipitation increases to 209 mm (8.2 in) over 13 days, with humidity rising to 84%. For those interested in specific trends, you can find more detailed information here: Aso weather in May. Thus, May tends to be warmer and wetter than April, reflecting a transition into summer.
April and June present distinctly varying weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 27°C (81°F), with an average temperature of 14°C (57°F). This month experiences about 135 mm (5.3 in) of precipitation over approximately 10 days, accompanied by a humidity level of 78%. In contrast, June is noticeably warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), averaging around 21°C (71°F). However, it also sees increased precipitation, totaling 276 mm (10.9 in) spread over 16 days, and a higher humidity level of 86%. For more detailed insights, check out Aso weather in June.
April weather is characterized by a wide temperature range, with minimums dropping to -1°C (31°F) and maximums reaching up to 27°C (81°F). The month experiences an average temperature of 14°C (57°F) and receives about 135 mm (5.3 inches) of precipitation over approximately 10 days, resulting in a relatively humid environment with a humidity level of 78%.
In contrast, July sees much warmer temperatures, with minimums around 15°C (59°F) and maximums soaring to 34°C (94°F), averaging 25°C (77°F). The month is significantly wetter, receiving 452 mm (17.8 inches) of precipitation over 21 days, leading to higher humidity levels of 92%.
For more detailed insights, you can check out Aso weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 27°C (81°F), with an average of 14°C (57°F). The month sees moderate rainfall, totaling 135 mm (5.3 in) over about 10 days, and a humidity level of 78%. In stark contrast, August experiences much warmer conditions, with temperatures ranging from a minimum of 16°C (62°F) to a high of 35°C (96°F), averaging around 26°C (79°F). However, it is also significantly wetter, with 253 mm (10.0 in) of precipitation spread over 16 days and a heightened humidity of 91%. For more details on this summer month, you can explore the weather specifics here: Aso weather in August.
April and September exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable average of 14°C (57°F), with maximums reaching 27°C (81°F). However, this month also sees significant rainfall, with 135 mm (5.3 in) of precipitation over about 10 days and a humidity level of 78%. In contrast, September features warmer temperatures, with minimums at 9°C (49°F) and an average of 23°C (73°F), peaking at a high of 33°C (92°F). This month experiences even more rainfall, totaling 192 mm (7.6 in) across 15 days, along with a slightly higher humidity of 84%. For a detailed look at September weather, check out Aso weather in September.
April and October present contrasting yet delightful weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), averaging around 14°C (57°F). The month sees significant precipitation, totaling 135 mm (5.3 in) over approximately 10 days, coupled with a humidity level of 78%. In contrast, October offers a milder climate, with temperatures starting at a minimum of 4°C (40°F) and peaking at 30°C (87°F), resulting in an average of 17°C (63°F). Although October experiences slightly less precipitation at 122 mm (4.8 in) over 9 days, the humidity is a touch higher at 83%. For an in-depth look at October's weather, visit Aso weather in October.
April and November present distinct weather patterns, showcasing the transition between spring and autumn. In April, temperatures range from a chilly low of -1°C (31°F) to a warm high of 27°C (81°F), with an average of 14°C (57°F). The month experiences significant precipitation, totaling 135 mm (5.3 in) over about 10 days, contributing to a high humidity level of 78%. Conversely, November sees cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (76°F), averaging 11°C (51°F). Precipitation during this month is less abundant, at 60 mm (2.3 in) over 8 days, and humidity slightly increases to 81%. These contrasting conditions highlight the shifting climate as the year progresses. For more detailed information, check out Aso weather in November.
April and December present quite contrasting weather conditions. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 14°C (57°F), peaking at a warm 27°C (81°F). This month experiences significant rainfall, with approximately 135 mm (5.3 in) spread over about 10 days, and humidity levels hovering around 78%. In contrast, December sees colder temperatures, with a minimum of -5°C (24°F) and an average of only 5°C (41°F), while still allowing for a maximum of 21°C (70°F). Precipitation in December is lighter, totaling around 70 mm (2.8 in) over just 7 days, with a slightly higher humidity of 79%. For more details about the weather in December, you can check Aso weather in December.
April in Aso is a month of vibrant transition, showcasing a blend of mild temperatures and refreshing rainfall that sets it apart from the colder winter months. With maximum temperatures reaching a pleasant 27°C (81°F) and an average of 14°C (57°F), the days grow steadily warmer, inviting visitors to explore the region’s breathtaking landscapes. However, the presence of about 135 mm (5.3 in) of precipitation over 10 days adds a touch of moisture, enhancing the lush greenery typical of this season. Additionally, the humidity level hovers around 78%, creating a refreshing atmosphere that contrasts sharply with the dry winter air. For a deeper dive into the seasonal variations and overall climate, be sure to check out Aso Climate.