Last updated: August 21, 2025
April in Kusatsu, Japan presents a delightful blend of springtime warmth and refreshing rainfall. With maximum temperatures reaching a pleasant 27°C (80°F) and an average of 14°C (57°F), visitors can enjoy the beauty of blooming landscapes. However, it's wise to prepare for cooler evenings, as nighttime temperatures can dip to a crisp -1°C (31°F). The month experiences 138 mm (5.4 in) of precipitation over 10 days, contributing to the lush scenery that Kusatsu is famous for. The air remains relatively humid with an average of 76%, enhancing the serene atmosphere that defines this charming town.
In April, Kusatsu, Japan, begins to shake off the chill of winter, welcoming milder temperatures that signal the arrival of spring. With minimums around -1°C (31°F) and averages hitting 14°C (57°F), the city experiences a pleasant shift, allowing for outdoor activities and exploration. The maximum temperatures can reach a delightful 27°C (80°F), offering a glimpse of the warm months ahead. This month marks a gradual upward trend in warmth compared to the preceding months, making it an ideal time to enjoy the blossoming landscapes and the enchanting hot springs that Kusatsu is renowned for. As nature awakens, so does the vibrant atmosphere of the town, inviting both locals and visitors to revel in its seasonal charm.
April in Kusatsu, Japan marks a distinct shift in the weather patterns, as precipitation peaks to 138 mm (5.4 in), making it one of the wetter months of the year. Despite the substantial rainfall, with 10 days featuring precipitation, this is a welcome sign as it nourishes the blossoming flora of spring. This surge in moisture follows March’s wetness, which recorded 116 mm (4.6 in) over 11 days, highlighting a trend where spring heralds increased rainfall. As the region transitions into May, both precipitation amounts and days continue to rise, hinting at a steadily wetter trajectory leading into early summer, while also fostering a vibrant and lush landscape that characterizes this enchanting area of Japan.
April in Kusatsu, Japan, presents a slight dip in humidity, with levels averaging 76%—a decrease from the preceding months of winter and early spring. This change marks a transition from the high moisture of March, which was 74%, signaling the onset of warmer weather. As the region prepares for the more humid months ahead, particularly with May's increase to 83% and June's peak at 87%, April serves as a gentle reminder of the fluctuating nature of Kusatsu's climate. The gradual rise in humidity in the months following April indicates the approach of summer, creating a vibrant atmosphere as blossoms emerge and outdoor activities blossom.
In April, Kusatsu experiences a notable rise in the UV Index, reaching a very high level of 10, with a burn time of just 15 minutes. This marks an increase from the high index of 6 in February and the very high index of 8 in March, signaling that spring is in full swing and sun exposure becomes increasingly intense. As temperatures warm, it's essential to take precautions to protect your skin, especially as May approaches, bringing an even higher UV Index. This trend illustrates the importance of vigilance against UV radiation as the year progresses, making it crucial to stay informed and prepared. For more details, visit Kusatsu UV Index.
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As April unfolds in Kusatsu, Japan, the days grow distinctly brighter, with sunshine hours reaching 270 hours, a delightful increase from March's 257 hours. This trend of increasing daylight continues into the heart of spring, paving the way for May, which captures even more sun with 282 hours. The steady rise in sunshine from the cold depths of winter—when January recorded a mere 177 hours—highlights how April serves as a pivotal transition period. As nature awakens, the lengthening days invite residents and visitors alike to embrace the beauty of the season, vibrant with blooming landscapes and invigorating warmth.
In Kusatsu, Japan, April presents a 43% chance of sunny weather, offering a moderate increase in sunshine compared to the preceding months. This marks a slight uptick from March’s 36%, hinting at a transition into spring's more favorable conditions. As temperatures begin to rise, the likelihood of clear skies tends to stabilize, especially in contrast to the gloomier days of early summer, where chances dip to around 20%. Interestingly, the likelihood of sunny weather sees a resurgence in the autumn months, making October's 48% and November's 52% chances appealing for travelers seeking bright days. Overall, April is a refreshing bridge between winter and summer, suggesting a promising window for outdoor enjoyment in this scenic locale.
In April, Kusatsu, Japan, welcomes a significant increase in daylight, with 13 hours illuminating the sky—an enticing shift from the 11 hours of March. This transition not only heralds the blossoming of spring but also sets the stage for longer days ahead, culminating in the 14 hours of daylight found in the height of summer. As nature awakens, residents and visitors alike benefit from the extended daylight, allowing for more outdoor activities and exploration. This gradual stretching of daylight hours not only enhances the beauty of the landscape but also infuses the community with a vibrant energy, paving the way for the sunny days of May and June.
In April, Kusatsu experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), a slight dip compared to the breezy March winds. This subtle shift marks the transition from the invigorating gusts of early spring to the calmer days that characterize the late season. Following the brisk early months, April’s winds herald warmth, as they gracefully carry the scent of blooming cherry blossoms through the air. As we move towards May, the average wind speed further slows to 2.7 m/s (6 mph), signaling a mellowing atmosphere and inviting residents and visitors alike to enjoy the tranquil beauty of the Japanese countryside. Overall, April stands as a delicate bridge between the spirited winds of spring and the serene breezes of summer in Kusatsu.
Weather in Kusatsu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kusatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
April weather is generally much milder and more variable than January, with average temperatures ranging from a chilly 1°C (34°F) at night to a warm 27°C (80°F) during the day. In contrast, January temperatures typically hover between -7°C (20°F) and 15°C (60°F), making it much colder overall. Additionally, April experiences significantly more precipitation, totaling 138 mm (5.4 inches) over about 10 days, compared to just 52 mm (2.0 inches) over 8 days in January. The humidity also remains relatively high in both months, with April slightly lower at 76% compared to January's 82%. For more detailed insights into January weather, you can check Kusatsu weather in January.
April generally offers milder and more variable weather compared to February. While February experiences colder temperatures with a minimum of -6°C (21°F) and an average of 5°C (41°F), April sees a significant rise, featuring a minimum of -1°C (31°F) and an average of 14°C (57°F). Additionally, April's maximum temperature can reach up to 27°C (80°F), contrasting sharply with February's maximum of 19°C (67°F). Precipitation is more frequent in April, with 138 mm (5.4 in) over about 10 days, while February receives only 59 mm (2.3 in) across 8 days. Despite slightly lower humidity in April at 76%, both months remain relatively humid, with February close behind at 79%. For more detailed information on February weather, check out Kusatsu weather in February.
April experiences a notable rise in temperatures compared to March, with a minimum of -1°C (31°F) and average highs reaching 27°C (80°F), compared to March's minimum of -3°C (27°F) and maximum of 23°C (73°F). The average temperature in April peaks at 14°C (57°F), significantly warmer than March's average of 9°C (49°F). Precipitation in April slightly increases to 138 mm (5.4 in) over 10 days, compared to March's 116 mm (4.6 in) over 11 days. Humidity remains relatively consistent, with April at 76% and March at 74%. For more details on March weather, check out Kusatsu weather in March.
In comparing the weather of April and May, April features a wider temperature range with minimums dropping to -1°C (31°F) and maximums reaching 27°C (80°F), averaging around 14°C (57°F). Interestingly, April experiences significant precipitation at 138 mm (5.4 in) over about 10 days, along with a humidity level of 76%. In contrast, May brings warmer temperatures with minimums at 6°C (43°F) and maximums climbing to 32°C (89°F), resulting in a higher average of 19°C (66°F). Precipitation slightly increases to 144 mm (5.7 in) across 11 days, and humidity rises to 83%. For more details about the weather conditions in May, you can visit Kusatsu weather in May.
In comparing the weather of April and June, it’s clear that June offers a significant rise in temperatures, with average temperatures soaring to 22°C (72°F), compared to April's average of 14°C (57°F). While both months experience a similar amount of precipitation, June boasts slightly higher rainfall at 141 mm (5.6 in) over 12 days, compared to April's 138 mm (5.4 in) over 10 days. Additionally, June’s humidity is notably higher at 87%, up from April's 76%, contributing to a more muggy atmosphere. For more details about June weather in specific locations, check out Kusatsu weather in June.
The weather in April and July presents a stark contrast, reflecting the transition from spring to summer. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 14°C (57°F), peaking at 27°C (80°F). This month typically experiences around 138 mm (5.4 in) of precipitation over 10 days, accompanied by a humidity level of 76%. In comparison, July is much warmer, with temperatures starting at a minimum of 19°C (66°F) and averaging 26°C (80°F), soaring to a maximum of 37°C (98°F). The summer month sees significantly higher precipitation at 253 mm (10.0 in) spread across 19 days and a higher humidity level of 93%. For more details on July weather patterns, you can visit Kusatsu weather in July.
In April, the weather is characterized by a significant range in temperatures, with minimums dipping to -1°C (31°F) and pleasant averages around 14°C (57°F). By contrast, August boasts a much warmer climate, featuring minimums around 18°C (65°F) and average highs reaching 28°C (83°F), peaking at a scorching 38°C (101°F). Precipitation is notable in both months, although April sees slightly less at 138 mm (5.4 in) over 10 days, compared to August's 168 mm (6.6 in) spread across 12 days. Additionally, humidity is higher in August at 91%, compared to 76% in April, making the late summer months feel more oppressive. For more details on August weather, check out Kusatsu weather in August.
April and September present contrasting but mild weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 27°C (80°F), with an average of 14°C (57°F). The month experiences significant rainfall, with 138 mm (5.4 in) falling over approximately 10 days and humidity averaging around 76%.
In comparison, September offers warmer conditions, starting with a minimum of 14°C (57°F) and reaching a maximum of 35°C (96°F), leading to a higher average of 24°C (75°F). The precipitation levels are quite similar at 136 mm (5.4 in), but rain is expected over 13 days, with humidity rising to 87%. For more details on September weather, you can visit Kusatsu weather in September.
April and October present contrasting weather experiences. In April, temperatures vary significantly, ranging from a chilly minimum of -1°C (31°F) to a pleasant average of 14°C (57°F) and peaking at 27°C (80°F). However, it can be quite wet, with 138 mm (5.4 in) of precipitation over about 10 days and a humidity level of 76%. In contrast, October witnesses milder beginnings with a minimum temperature of 7°C (45°F) and an average of 18°C (65°F), soaring to a maximum of 33°C (92°F). This month is even wetter, accumulating 227 mm (8.9 in) of rain across 13 days and experiencing higher humidity at 85%. For more specific details about the weather in this month, refer to Kusatsu weather in October.
April and November exhibit distinct weather patterns, making each month unique. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (80°F), with an average temperature of 14°C (57°F). This month sees significant precipitation, totaling 138 mm (5.4 in) across about 10 days, and maintains a humidity level of 76%. In contrast, November presents a slightly cooler climate, with temperatures ranging from -1°C (31°F) to a maximum of 25°C (77°F) and an average of 12°C (54°F). Remarkably, November experiences much less rainfall—only 41 mm (1.6 in) over approximately 5 days—though the humidity rises to 83%. For more detailed information on the November climate, you can check Kusatsu weather in November.
April and December present distinct weather conditions, showcasing the transition from spring to winter. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (80°F), with an average of 14°C (57°F). The month sees significant precipitation of 138 mm (5.4 in) over about 10 days, accompanied by a humidity level of 76%. In contrast, December is much cooler, with temperatures dropping to a minimum of -7°C (19°F) and peaking at 22°C (72°F), averaging 6°C (44°F). With a lower overall precipitation of 63 mm (2.5 in) occurring across 8 days, December experiences higher humidity at 83%. To learn more about December weather specifics, visit Kusatsu weather in December.
April in Kusatsu heralds a notable transition as winter gives way to spring, characterized by a mixture of mild temperatures and increased rainfall. With average temperatures hovering around a comfortable 14°C (57°F), the weather is significantly warmer compared to the preceding months, cycling between cooler nights and pleasantly warm days. However, the 76% humidity and 138 mm of precipitation across roughly 10 rainy days remind visitors that spring is still in bloom, bringing lush greenery and vibrant blossoms. This unique blend makes April an ideal time to appreciate the natural beauty of Kusatsu, inviting visitors to explore its charming landscapes. For more insights into Kusatsu's seasonal climate variations, check out Kusatsu Climate.