Last updated: August 21, 2025
In April, Nagano, Japan experiences a vibrant transition into spring, marked by a wide range of temperatures that can peak at 27°C (81°F) during the day and dip to a chilly -5°C (22°F) at night. The average temperature settles around a comfortable 9°C (48°F), making it a pleasant time for outdoor activities. Visitors should be prepared for significant rainfall, with 141 mm (5.5 in) of precipitation spread across about 16 days, contributing to a humidity level of 78%. This mix of warmth and moisture creates lush landscapes, perfect for enjoying the beauty of the budding season.
In April, Nagano, Japan, emerges from the grip of winter with a noticeable shift in temperatures. As the month unfolds, the minimum temperature rises to a brisk -5°C (22°F), while the average climbs to a refreshing 9°C (48°F). This transition heralds warmer days, reaching a maximum of 27°C (81°F), inviting locals and visitors alike to relish in outdoor activities against a backdrop of blooming cherry blossoms. The steady increase in temperatures not only signifies the onset of spring but also highlights a trend towards milder weather as the region gears up for the sunnier months ahead. As April breathes life into the landscape, the shift from the cold winter months becomes remarkably evident, making it an ideal time to explore the natural beauty that Nagano has to offer.
April in Nagano, Japan experiences a notable shift in precipitation patterns, with an average of 141 mm (5.5 in) of rain falling over 16 days. This amount is slightly less than March's 133 mm, indicating a gradual easing as spring emerges. However, it remains a significant contributor to the overall moisture levels, setting the stage for the lush greenery that accompanies May's rainfall peak of 160 mm (6.3 in). The consistent precipitation through March and April hints at a transition from winter's chill to the vibrant rebirth of spring, capturing the essence of Nagano's climatic rhythm as it prepares for the warmer, wetter months ahead.
In April, Nagano experiences a noticeable shift in humidity, with levels decreasing to 78% from the cooler months of winter. This decline marks the transition into spring, where the air begins to feel crisper and more refreshing. As the region sheds its winter chill, it’s interesting to note how the humidity patterns evolve; following April, humidity rises again in May and peaks during the summer months of July and August at 92%. The cycle of humidity in Nagano is indicative of the changing seasons, illustrating how spring offers a brief respite before the warmer months bring a return of moisture-laden air.
As April arrives in Nagano, Japan, residents and visitors alike should prepare for very high UV levels, with the UV Index peaking at 9. This trend mirrors March, where exposure was similarly intense, indicating that spring brings a significant increase in UV radiation. With a burn time of just 15 minutes, it's essential to protect your skin during outdoor activities. From the moderate levels of January to the extreme conditions expected in May, the UV Index is on a clear upward trajectory, underscoring the importance of sun safety. For more detailed insights and daily updates, visit Nagano UV Index.
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April in Nagano, Japan, marks a delightful transition as the days grow longer and brighter, basking in the gentle glow of increasing sunshine. With 279 hours of sunlight, April is a refreshing precursor to the sun-drenched month of May, which boasts an impressive 300 hours. This climb from 261 hours in March demonstrates a clear upward trend, reflecting the region's rejuvenating springtime spirit. As the blossoms bloom and the landscape awakens, the longer daylight hours invite both locals and visitors to bask in the beauty of Nagano’s natural charm. Following April, the sunshine slightly dips in June, yet the vibrant energy of the season continues to thrive, making these early spring months a perfect time to explore the enchanting scenery of the Japanese Alps.
April in Nagano, Japan, marks a transition into a sunnier season, boasting a 43% chance of sunny weather—the highest in the early months of the year. This increase is particularly striking compared to the preceding months, where the likelihood hovered around the 30% mark, with only January and March showing even lower probabilities. The promise of sun in April not only invites outdoor activities as nature begins to bloom but also sets the stage for the return of clarity and warmth, a welcome change after the chilly winter months. As spring unfolds, the likelihood of experiencing sunny days continues to fluctuate, with May dipping back down to 25%, hinting at the capricious nature of weather patterns in this picturesque region. Overall, April is a beacon of brighter days amidst the fluctuating chances of sunshine throughout the year in Nagano.
In April, Nagano, Japan, embraces a delightful surge in daylight, enjoying 13 hours of sunlight, a significant leap from the 11 hours in March. This increase marks the transition into spring, as longer days signal the arrival of blooming cherry blossoms and vibrant landscapes. As daylight continues to extend in May and June, reaching 14 hours, residents and visitors alike relish the opportunity to explore the beauty of the season. The gradual fade back to shorter days begins in August, hinting at the cyclical nature of light and warmth in this picturesque region. Overall, April serves as a pivotal month, bridging the end of winter's dim days and the sun-soaked weeks of summer.
As April unfolds in Nagano, Japan, the landscape begins to awaken, accompanied by a gentle increase in wind speed, reaching 2.1 m/s (5 mph). This slight uptick from March's 2.0 m/s (5 mph) signals a refreshing shift, hinting at the vibrant life that spring brings. Interestingly, the winds remain relatively mild before dipping again in May to 1.9 m/s (4 mph). This seasonal breeze is not just a marker of changing weather; it symbolizes the blossoming of cherry blossoms and the invigorating energy that revitalizes both nature and the people of Nagano during this beautiful month. Overall, April's winds act as a gentle prelude to the bustling summer months ahead, creating a serene and inviting atmosphere throughout the region.
Weather in Nagano varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Nagano, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -5°C (22°F) to a warm maximum of 27°C (81°F), with an average of 9°C (48°F). The month experiences significant precipitation at 141 mm (5.5 in) over 16 days, accompanied by a humidity level of 78%. Conversely, January is much colder, with temperatures dropping as low as -15°C (6°F) and only reaching a maximum of 10°C (51°F), averaging -2°C (29°F). It has a similar precipitation level of 144 mm (5.7 in) spread over 21 days and higher humidity at 88%. For a deeper insight into January weather in Nagano, you can explore Nagano weather in January.
April and February present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -5°C (22°F) to a pleasant maximum of 27°C (81°F), with an average of 9°C (48°F). The month also sees approximately 141 mm (5.5 in) of precipitation over 16 days, accompanied by a humidity level of 78%. In contrast, February experiences much colder conditions, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 16°C (61°F), averaging -1°C (30°F). Precipitation in February is slightly lower at 129 mm (5.1 in) but occurs over a longer span of 19 days and higher humidity at 86%. For those interested in a deeper dive, you can explore more about Nagano weather in February.
April weather shows a notable improvement compared to March, with average temperatures rising from 4°C (39°F) in March to 9°C (48°F) in April. The minimum temperatures in April, at -5°C (22°F), are also milder than March's low of -9°C (16°F). While both months experience similar levels of precipitation, with April receiving 141 mm (5.5 in) over 16 days and March seeing 133 mm (5.2 in) over 18 days, April's slightly warmer temperatures make the weather feel more pleasant overall. Humidity levels remain high in both months, with April at 78% and March at 81%. For more details on March weather, visit Nagano weather in March.
The weather in April and May shows a noticeable transition as spring progresses. In April, temperatures can range from a chilly minimum of -5°C (22°F) to a comfortable maximum of 27°C (81°F), with an average temperature of 9°C (48°F). Precipitation is significant, totaling 141 mm (5.5 in) over 16 days, contributing to a humidity level of 78%.
In contrast, May experiences milder temperatures, with a minimum of 0°C (33°F), an average of 15°C (59°F), and a maximum reaching 31°C (88°F). The month sees slightly higher precipitation, amounting to 160 mm (6.3 in) over the same number of days, which raises humidity to 81%. For more detailed information on the weather in May, you can check Nagano weather in May.
April and June present distinct weather characteristics in Nagano. In April, temperatures range from a minimum of -5°C (22°F) to a maximum of 27°C (81°F), with an average temperature of 9°C (48°F). The month sees considerable precipitation, totaling 141 mm (5.5 in) over 16 days, and humidity levels hover around 78%.
In contrast, June experiences a warmer climate, with minimum temperatures rising to 5°C (41°F) and maximum temperatures reaching 30°C (87°F), averaging 18°C (65°F). Rainfall is slightly higher at 171 mm (6.7 in) over 18 days, accompanied by increased humidity at 88%. This comparison highlights a transition from the cooler, variable conditions of April to the warmer, more humid atmosphere of June. For more details, you can check Nagano weather in June.
April and July exhibit striking differences in weather conditions. In April, temperatures range from a chilly minimum of -5°C (22°F) to a comfortable average of 9°C (48°F), with a maximum reaching 27°C (81°F). The month is relatively wet, with 141 mm (5.5 in) of precipitation spread across 16 days and average humidity at 78%. In contrast, July experiences much warmer temperatures, with minimums at 15°C (60°F), averages of 22°C (73°F), and maximums soaring to 33°C (91°F). This summer month is also noticeably wetter, receiving 341 mm (13.4 in) of rain over 25 days, and the humidity increases to 92%. To learn more about July's weather specifics, check out Nagano weather in July.
April weather is characterized by a cool start, with temperatures ranging from a minimum of -5°C (22°F) to an average of 9°C (48°F) and a maximum of 27°C (81°F). The month sees significant rainfall, totaling 141 mm (5.5 in) across 16 days, and the humidity levels sit at a comfortable 78%. In contrast, August offers much warmer conditions, featuring a minimum temperature of 11°C (52°F) and an average of 24°C (75°F), peaking at 35°C (95°F). Precipitation increases to 198 mm (7.8 in) over 23 days, with humidity climbing to 92%. For more detailed information, you can check Nagano weather in August.
April weather is characterized by a broader temperature range, with minimums dipping to -5°C (22°F) and maximums reaching up to 27°C (81°F). This month experiences an average temperature of around 9°C (48°F) and receives about 141 mm (5.5 in) of precipitation over 16 days, accompanied by a humidity level of 78%. In contrast, September tends to be warmer with minimum temperatures around 7°C (44°F) and maximums soaring up to 32°C (89°F), averaging 19°C (67°F). Additionally, September brings more rainfall, totaling approximately 194 mm (7.6 in) across 19 days, and a slightly higher humidity of 89%. For more detailed insights, you can check Nagano weather in September. Overall, September offers a more humid and warmer experience compared to the chillier and more variable weather of April.
April and October each offer distinct weather patterns, showcasing the transition of seasons. In April, temperatures can fluctuate significantly, ranging from a chilly minimum of -5°C (22°F) to a warm maximum of 27°C (81°F), with an average temperature of 9°C (48°F). The month experiences a total precipitation of 141 mm (5.5 in) over 16 days, coupled with a humidity level of 78%. Conversely, October presents slightly milder conditions with temperatures starting from a minimum of 2°C (36°F) and reaching a maximum of 28°C (82°F), while maintaining an average of 13°C (56°F). Interestingly, October is wetter, averaging 217 mm (8.5 in) of rainfall spread over 18 days and a higher humidity level of 87%. For more detailed and specific insights into October's climate, you can refer to Nagano weather in October.
April and November present contrasting weather patterns in terms of temperature and precipitation. In April, temperatures range from a chilly -5°C (22°F) to a pleasantly warm 27°C (81°F), with an average of 9°C (48°F). The month experiences considerable precipitation, totaling 141 mm (5.5 in) over 16 days, coupled with a humidity level of 78%. In contrast, November sees slightly cooler temperatures that vary from -8°C (19°F) to a maximum of 21°C (70°F), with an average of 7°C (44°F). Precipitation in November is lower at 94 mm (3.7 in) across 15 days, accompanied by higher humidity at 85%. Both months exhibit significant dampness, but November's cooler temperatures and increased humidity create a different atmosphere compared to the milder, more variable weather of April. For more insights on November weather specific to Nagano, you can refer to Nagano weather in November.
April and December exhibit distinct weather patterns that highlight the transition from spring to winter. In April, temperatures range from a chilly -5°C (22°F) at night to a pleasant 27°C (81°F) during the day, with an average of around 9°C (48°F). The month sees 141 mm (5.5 in) of precipitation over 16 days, and humidity levels are moderate at 78%. In contrast, December brings colder temperatures, with minimums plunging to -10°C (14°F) and daytime highs reaching only 19°C (66°F), resulting in an average of just 1°C (34°F). With 151 mm (6.0 in) of precipitation spread over 20 days and higher humidity at 86%, December’s weather is notably more damp and frigid. For more details on December weather in Nagano, check out Nagano weather in December.
As April unfolds in Nagano, the weather transitions into a refreshing springtime atmosphere, distinguishing it from the colder months. With warming temperatures that can soar up to a pleasant 27°C (81°F) during the day, the chill of winter begins to fade, albeit with cooler nights reaching as low as -5°C (22°F). While precipitation is not uncommon, with about 16 days of rain contributing to a total of 141 mm (5.5 in), the humidity levels hover around 78%, creating a rich, vibrant environment as nature awakens. This month sets the stage for the blooming beauty of the region, making it a unique time to enjoy Nagano's landscapes. For more detailed information, visit Nagano Climate.