Last updated: August 21, 2025
April in Hachioji, Japan presents a vibrant transition from the chill of winter to the warmth of spring. With maximum temperatures reaching 26°C (79°F) and an average of 12°C (54°F), the weather offers a refreshing experience for residents and visitors alike. However, the month is also marked by cooler nights, dropping to a minimum of -2°C (29°F). As spring showers usher in new blooms, precipitation averages 150 mm (5.9 in) over approximately 15 days, contributing to a humidity level of 74% that enhances the lush landscapes. Overall, April in Hachioji is a delightful blend of warmth and rain, ideal for enjoying the beauty of the season.
April in Hachioji, Japan marks a delightful transition into warmer weather, with temperatures showcasing a significant upward trend compared to the preceding months. The minimum temperature begins to rise, starting at a chilly -2°C (29°F) and climbing to a comfortable average of 12°C (54°F). This month enjoys a generous maximum temperature of 26°C (79°F), making it an ideal time for outdoor activities and enjoying the blossoming cherry blossoms. As winter's chill recedes, April invites residents and visitors alike to embrace the vibrant colors and milder climate, heralding the approach of summer and the picturesque beauty that Hachioji has to offer.
April in Hachioji sees a substantial amount of rainfall, with 150 mm (5.9 in) of precipitation recorded over 15 days. This marks a slight decrease from the preceding month of March, which delivered the heaviest rainfall of the year at 166 mm (6.5 in) over 14 days. As spring unfolds, the consistent rain in April contributes to the region's lush greenery, setting the stage for the coming months. Notably, the trend shows an overall increase in precipitation as the year progresses, with April's rainfall serving as a precursor to the more intense downpours typical of the summer months. The blend of rainy days and nourishing showers in April enhances the landscape, making it a vibrant and refreshing time in Hachioji.
April in Hachioji, Japan, marks a slight increase in humidity, resting at 74%, just a touch above March's 70%. This month acts as a gentle bridge between the cooler, drier winter months and the approaching warmth of May, which anticipates a significant rise to 81%. As spring unfolds, the city's humidity gradually builds, hinting at the more moisture-laden months ahead, particularly June and July, when levels will soar to 88% and 93%, respectively. The overall trend showcases a shift from the crispness of early spring toward the sultry embrace of summer, creating a dynamic and evolving atmosphere in Hachioji.
In April, Hachioji, Japan, experiences a significant rise in UV exposure, with the UV Index reaching 9, categorizing the risk as very high. This marks an increase from the 8 observed in March, emphasizing a trend towards heightened sun intensity as spring progresses. With a burn time of just 15 minutes, it's a crucial reminder for residents and visitors to take precautions, such as applying sunscreen and wearing protective clothing. As we move towards May, the UV Index escalates to 11, entering the extreme exposure category, underscoring the need for vigilance as summer approaches. For those planning outdoor activities, staying informed is essential—check out the latest updates at Hachioji UV Index.
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April brings a delightful surge of sunshine to Hachioji, Japan, with 273 hours of sunlight, marking a significant increase from the 259 hours in March. This trend of increasing daylight continues into May, where sun-seekers can bask in an impressive 282 hours. The warm embrace of spring is evident as the sunshine peaks in August with 284 hours, offering a tantalizing taste of summer. As the seasons transition, however, the sunlight begins to wane, dipping to 262 hours in June and dropping further through the later months. Overall, the bright months of spring and summer stand out, inviting residents and visitors alike to enjoy the radiant charm of Hachioji’s skies.
In Hachioji, Japan, April offers a moderate 45% chance of sunny weather, marking a slight decline from the more promising 70% in February. This dip continues the trend observed from March, where sunny days drop to 39%, suggesting that spring brings a mix of cloudiness along with warmer temperatures. As the month progresses into May, the likelihood of sun significantly decreases to 21%, emphasizing that while April might start to hint at the joys of spring, it is often overshadowed by cloudy skies. Overall, April serves as a transitional month where the sunshine charm of early spring can be quite unpredictable.
As April unfolds in Hachioji, Japan, residents are greeted with a delightful increase in daylight, boasting approximately 13 hours of sunshine—a significant jump from 11 hours in March. This burgeoning daylight not only heralds the arrival of spring but also sets the stage for the warmer months ahead. Following April, May maintains a similar brightness with 14 hours of daylight, marking the peak of the season. The gradual lengthening of days reflects a clear trend as winter recedes, inviting a season filled with blossoming flowers and vibrant activity.
In April, Hachioji experiences a gentle breeze, with an average wind speed of 2.3 m/s (5 mph), maintaining the same lively pace as March. This month heralds a subtle transition, as the winds begin to calm slightly from the preceding months, yet still contribute to the refreshing atmosphere that characterizes spring in the region. As the flowers bloom and temperatures rise, the consistent wind speeds between 1.5 to 2.4 m/s from January through April create a delightful backdrop for outdoor activities, enhancing the charm of Hachioji's vibrant landscape. After April, a slight drop in wind speed is noted in May, but the light currents persist, ensuring a picturesque spring experience for residents and visitors alike.
Weather in Hachioji varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hachioji, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January exhibit contrasting weather patterns, with April showcasing a more temperate climate. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (79°F), averaging around 12°C (54°F). This month experiences significantly more precipitation, with 150 mm (5.9 in) falling over 15 days, contributing to a humidity level of 74%. In contrast, January is much colder, with temperatures dipping as low as -13°C (9°F) and only reaching a maximum of 17°C (63°F), averaging just 3°C (37°F). The precipitation levels are also lower in January, totaling 53 mm (2.1 in) over 7 days, with humidity slightly higher at 76%. For a closer look at January weather specifics, visit Hachioji weather in January.
April and February exhibit distinct differences in weather patterns. The average temperature in April is significantly milder at 12°C (54°F), with a maximum of 26°C (79°F), compared to February’s chilly average of 4°C (40°F) and maximum of 21°C (69°F). While both months share a similar humidity level of 74%, April experiences more precipitation, totaling 150 mm (5.9 in) over about 15 rainy days, whereas February sees less rain at 62 mm (2.4 in) over 10 days. For a closer look at February weather specifics, check out Hachioji weather in February.
April generally brings warmer temperatures compared to March, with average highs reaching 26°C (79°F) compared to March's peak of 23°C (73°F). The minimum temperature also increases slightly, from March's -4°C (26°F) to April's -2°C (29°F). However, April experiences slightly less precipitation than March, recording 150 mm (5.9 in) over 15 days versus March's 166 mm (6.5 in) over 14 days. Humidity remains relatively comparable, with April averaging 74% and March at 70%. Overall, April signals the transition to milder weather, making it a more pleasant month than March. For more detailed information, check out Hachioji weather in March.
April and May weather in Hachioji displays a clear transition toward warmer temperatures. In April, temperatures fluctuate from a chilly minimum of -2°C (29°F) to a maximum of 26°C (79°F), with an average of 12°C (54°F). The month experiences about 150 mm (5.9 in) of precipitation across 15 days, coupled with a humidity level of 74%. As May arrives, temperatures rise significantly, with minimums around 4°C (39°F) and maximums reaching 30°C (86°F), resulting in an average of 17°C (64°F). Precipitation remains similar, at 148 mm (5.8 in) over 15 days, but humidity increases to 81%. The overall trend from April to May is a warmer, wetter, and more humid climate. For more detailed information, check out Hachioji weather in May.
April and June present notable contrasts in weather patterns. April features a more variable temperature range, with minimums dipping to -2°C (29°F) and pleasant daytime averages around 12°C (54°F). It typically offers some respite from winter with a maximum of 26°C (79°F), though it is accompanied by significant rainfall of 150 mm (5.9 in) over 15 days and a humidity level of 74%.
In contrast, June experiences a warm and more stable climate. The minimum temperature rises to 11°C (52°F) and averages around 20°C (69°F), reaching up to 31°C (88°F) at its peak. However, this month is wetter, with total precipitation increasing to 209 mm (8.2 in) over 19 days and a higher humidity of 88%. For a detailed look at June weather specifically, check out Hachioji weather in June.
April and July present contrasting weather patterns, showcasing the shift from spring to summer. In April, temperatures range from a chilly -2°C (29°F) at night to a moderate average of 12°C (54°F), peaking at 26°C (79°F) during the day. This month experiences approximately 150 mm (5.9 in) of rain across 15 days, accompanied by a humidity level of 74%. In stark contrast, July's climate is much warmer, with temperatures starting at a minimum of 16°C (60°F), averaging around 24°C (76°F), and reaching highs of 35°C (95°F). Rainfall in July significantly increases to 312 mm (12.3 in) over 24 days, coupled with heightened humidity at 93%. To learn more about July weather specifics, visit Hachioji weather in July.
April and August present distinct weather contrasts. In April, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable average of 12°C (54°F), peaking at a mild 26°C (79°F). The month experiences about 150 mm (5.9 in) of precipitation over approximately 15 days, with humidity levels averaging 74%. In contrast, August boasts significantly warmer conditions, with temperatures starting at a minimum of 15°C (59°F) and averaging a sultry 26°C (79°F), reaching up to a sweltering maximum of 36°C (97°F). This month receives more rainfall, totaling 195 mm (7.7 in) over 23 days, alongside an increase in humidity to 90%. For more details about August weather, you can refer to Hachioji weather in August.
April and September exhibit striking differences in weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (79°F), with an average of 12°C (54°F). The month experiences about 150 mm (5.9 in) of precipitation over 15 days, accompanied by a humidity level of 74%. In contrast, September brings significantly warmer temperatures, with a minimum of 12°C (53°F) rising to a maximum of 35°C (94°F) and an average of 22°C (71°F). Rainfall increases to 247 mm (9.7 in) across 22 days, resulting in higher humidity levels of 86%. For a closer look at September weather in Hachioji, you can refer to Hachioji weather in September.
April's weather is characterized by a wide temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 26°C (79°F). The month sees about 150 mm (5.9 in) of precipitation over 15 days, contributing to a humidity level of 74%. In contrast, October experiences a milder minimum temperature of 5°C (41°F) and an average high of 30°C (86°F), making it feel noticeably warmer overall. However, October is wetter, with precipitation totaling 346 mm (13.6 in) across 19 days and higher humidity at 83%. For those interested in more specifics, visit Hachioji weather in October.
April and November exhibit notable differences in weather patterns. April experiences a wider temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 26°C (79°F), while November’s temperatures are slightly milder, ranging from -1°C (30°F) to a maximum of 23°C (73°F). In terms of precipitation, April is notably wetter, receiving 150 mm (5.9 in) over 15 days compared to November's 72 mm (2.8 in) across 10 days. Additionally, November has a slightly higher humidity level of 80%, compared to April’s 74%. For more details, you can check out Hachioji weather in November.
April and December showcase contrasting weather patterns. In April, temperatures range from a chilly -2°C (29°F) at night to a pleasant 26°C (79°F) during the day, with an average of 12°C (54°F). This month experiences higher precipitation, totaling 150 mm (5.9 in) over 15 days, while humidity sits at a comfortable 74%. In contrast, December sees colder temperatures with a minimum of -5°C (23°F) and a maximum of 20°C (69°F), averaging 5°C (42°F). Precipitation is significantly lower at 62 mm (2.4 in) over 9 days, accompanied by a slightly higher humidity level of 78%. For a detailed look at December weather, you can visit Hachioji weather in December.
April in Hachioji stands out as a transitional month, where the chilly remnants of winter gradually give way to the warmth of spring. With temperatures reaching a pleasant maximum of 26°C, the average day feels invigorating compared to the colder months, while the occasional drop to near-freezing temperatures reminds us that winter isn't completely gone. This month also witnesses a significant increase in rainfall, marking a shift from the drier months prior. The 150 mm of precipitation over 15 days adds to the vibrant rebirth of nature, though it does elevate humidity levels to 74%. For those keen on understanding the full range of Hachioji's weather patterns, be sure to explore more at Hachioji Climate.