The climate of Hachioji
Hachioji,
Japan finds itself saddled within the Köppen climate classification as a Humid Subtropical zone with no dry season. Positioned in the eastern part of the country, the weather pattern in Hachioji over the year manifests significant variations in temperature, rainfall, and humidity.
Average monthly temperatures fluctuate from a chilly 2°C (35.6°F) in the coldest month, peaking at 31.9°C (89.4°F) in the warmest. With an extensive range between the two, the city endures changing weather conditions throughout the year. Rainfall, another critical aspect shaping Hachioji's climate, shows its peak during
October reaching upto 79mm (3.11"), while
December receives the lowest rainfall with 19mm (0.75") on average. This shifting pattern signifies that the city does not encounter a typical dry season.
Humidity in Hachioji sees a marginal variation, with average relative humidity oscillating between 59% to 75%. Sunlight hours, a crucial aspect influencing outdoor activities, also undergo substantial change over the year. December sees the shortest day length at 9.8 hours, while the longest day length extends to 14.5 hours in
June.
A distinct trait marking Hachioji’s weather is the negligible snowfall, except for
February which receives 33mm (1.3") of snowfall, hinting at mild winters. Meanwhile, except during summers, the cloud cover and pressure maintain a near-steady value throughout the year.
The best time to visit Hachioji
With a climate defined by no dry season, the allure of
Hachioji can be experienced at different times of the year.
May offers a comfortable weather index with the temperature ranging from 15.8°C (60.4°F) to 23.7°C (74.7°F), and modest rainfall of 47mm (1.85"). These conditions allow visitors to explore the city's nooks and corners without interruption from weather extremes. The day length and sunlight hours also lean towards longer days, which augments sightseeing potential.
June is another equally suitable month with a high temperature of 25.9°C (78.6°F), and prolonged day length of 14.5 hours, the longest across the year. These conditions constitute a comfortable period for outdoor activities and exploring Hachioji’s diverse offerings.
The worst time to visit Hachioji
In terms of potential inconveniences and travails weather-wise, the period from
October to
November may not be the best time to visit
Hachioji. October records the maximum average rainfall at 79mm (3.11"), followed by
September with 74mm (2.91"). Such high precipitation can hamper outdoor sightseeing activities and experiences.
Moreover,
July and
August, with their highest recorded temperature reaching 30.3°C (86.5°F) and 31.9°C (89.4°F), may prove uncomfortable for those unaccustomed to such warmth. These months, especially coupled with high humidity, might necessitate frequent retreats into air-conditioned spaces.
Spring weather in Hachioji
The spring season in
Hachioji spans from
March to
May. During this period, temperatures see an upward trend from 5.4°C (41.7°F) to 23.7°C (74.7°F). Rainfall figures also surge, moving from 40mm (1.57") in March to 50mm (1.97") in
April, and stabilizing at 47mm (1.85") in May.
Visitors during this season can experience the full bloom of cherry blossoms and other spring flowers, making it a picturesque time of the year. Day lengths begin to elongate, with daylight hours stretching from 12 hours in March to 14 hours in May.
Summer weather in Hachioji
Summers in
Hachioji, extending from
June to
August, can get quite hot, with temperatures peaking at 31.9°C (89.4°F). The period also marks the year's highest humidity levels and substantial rainfall, with August witnessing 53mm (2.09"). Yet, it also affords the longest day length, reaching 14.5 hours in June. It gives ample opportunity to immerse oneself fully in the vibrant, summer-time ambiance of Hachioji.
Autumn weather in Hachioji
Autumn graces
Hachioji from
September to
November. Temperatures start to dip, moving from a maximum of 27.5°C (81.5°F) in September to 16.2°C (61.2°F) by November. Rainfall records are high in these months, reaching the year's peak in
October with 79mm (3.11").
Yet autumn remains a beautiful time to visit with the changing colors of leaves painting a breathtaking picture across the city. The day length steadily declines, shrinking from 12.4 hours in September to about 10.3 hours by November.
Winter weather in Hachioji
Winter in
Hachioji sees temperatures drop to its year-long lows, sinking to 2°C (35.6°F) in
January. The months from
December to
February also mark lower rainfall figures, with December receiving the least amount of rain at 19mm (0.75"). Snowfall remains a rarity, except in February, which sees 33mm (1.3") of snow.
While days are the shortest during these months, ample sunshine and lower humidity levels make winter a pleasant season for those fond of cooler climates. Winter in Hachioji may not be bitterly cold, but it does offer its own warm charm to visitors.
Weather in January
The chilly period of the year in
Hachioji,
Japan begins in
January with average day temperatures around 8.5°C (47.3°F). During this period, locals and tourists can expect cooler nights, while the coat-clad daytime offers a moderate relief from the cold.
Weather in January »Weather in February
February sees a noticeable change in
Hachioji's weather as temperatures slightly rise to an average of 9.5°C (49.1°F) during the day. The increase in snowfall from 8mm (0.31") to 33mm (1.3") offers a beautiful scenery, proving to be quite an attraction, especially for those seeking winter landscapes.
Weather in February » Weather in March
March signals the end of winter with a warm welcome to spring as temperatures start to ascend to a comfortable 13.3°C (55.9°F). The decrease in snowfall from 33mm (1.3") to 2mm (0.08") brings about a much-needed ease from the extreme cold of the previous months.
Weather in March »
Weather in April
In
April,
Hachioji begins to settle into the full swing of spring with temperatures hiking up to 17.8°C (64°F). The city experiences the first month of the year without snowfall; a clear sign that the cold winter months have passed.
Weather in April »Weather in May
The temperate, comfortable weather of
Hachioji in
May is quite appealing with day temperatures rising to around 23.7°C (74.7°F). The rainfall amount increases remarkably to 47mm (1.85"), signaling the onset of the wet season. May proves to be an ideal period for intense outdoor activities, owing to the perfect blend of warmth and coolness.
Weather in May »Weather in June
With the arrival of
June,
Hachioji,
Japan experiences the warmth of early summer with temperatures reaching 25.9°C (78.6°F). The rainfall increases, reaching the highest amount for the year at 73mm (2.87"). The long, warm days are balanced by the cool, light breezes of the early evening hours.
Weather in June »
Weather in July
July is the highlight of summer in
Hachioji with the highest annual temperature hitting an average of 30.3°C (86.5°F). Long, hot days are the dominant feature, with the maximum daylight hours being observed. July's weather is a mirror of peak summer, with high humidity and heat defining the majority of the days.
Weather in July » Weather in August
The weather remains hot in
August with the maximum average temperatures warming up to approximately 31.9°C (89.4°F). The city is enveloped in warmth, with long and sunny days. Despite the high temperatures, rainfall slightly reduces from 64mm (2.52") to 53mm (2.09") in comparison to
July.
Weather in August »Weather in September
September sees a transition from summer to fall in
Hachioji as temperatures start to cool down to an average of 27.5°C (81.5°F). The month ushers in higher rainfall levels at 74mm (2.91"), marking the peak of the rainy season.
Weather in September »
Weather in October
October in
Hachioji witnesses a significant drop in temperature to 21.6°C (70.9°F), signifying the progression of autumn. The rainfall begins to descend, reducing to 79mm (3.11"), a call for the upcoming dry period. Lightweight clothing and rain jackets make up most wardrobes during this period due to the variable weather conditions.
Weather in October » Weather in November
In
November, the temperatures decline sharply to 16.2°C (61.2°F), marking the city’s move into the winter season. The scenery undergoes another transformation as the winter chill starts to take hold. The city, preparing itself for winter, witnesses a significant decline in the rainfall, dropping to 36mm (1.42").
Weather in November »Weather in December
December welcomes winter with an estimated average temperature of 10.6°C (51.1°F) and a significant drop in rainfall to 19mm (0.75"). Snowfall appears once again, adding a wintry charm to
Hachioji’s landscape. The visibility remains optimal despite the shift in temperatures, making it a good time for winter sightseeing.
Weather in December »