Best Time to Visit Hachiōji, Tokyo, Japan
Month-by-month climate guide for planning a trip to Hachiōji.
Hachiōji does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (August, 25.9°C / 78.6°F) and driest (January, 45 mm / 1.8 in) months. The drier stretch runs through November–May; the wetter half falls in June–October. At the city itself, monthly average temperatures range from 3.7°C / 38.7°F in January to 25.9°C / 78.6°F in August, with rainfall from 45 mm / 1.8 in (January) to 207 mm / 8.1 in (September). These are point-value climate normals sampled at Hachiōji, Tokyo, Japan's coordinates — usually more actionable for travellers than the country-wide average. Hachiōji's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| December | 6°C42.8°F | 46 mm1.8″ | — |
| November | 11°C51.8°F | 78 mm3.1″ | — |
| January | 3.7°C38.7°F | 45 mm1.8″ | — |
No month at Hachiōji matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Hachiōji?
Hachiōji doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~45 mm / 1.8 in) and August (warmest, 25.9°C / 78.6°F). Because these are point values at the city, they can differ substantially from Japan's national average.
When is the rainy season in Hachiōji?
The rainy season at Hachiōji, Tokyo runs through June–October, when monthly rainfall exceeds the annual median of about 141 mm / 5.6 in. The wettest single month is September (207 mm / 8.1 in).
What is the driest month in Hachiōji?
The driest month in Hachiōji is January, averaging about 45 mm / 1.8 in of rainfall. Temperature that month averages 3.7°C / 38.7°F.
What months should I avoid visiting Hachiōji?
The least comfortable months for travel to Hachiōji — based on point-value climate at the city — are January, February, March, June, August, September, December. These are the wettest or coolest months at this location. Rainfall peaks at 207 mm / 8.1 in in September, and the coldest month averages 3.7°C / 38.7°F.
Is Hachiōji climate different from Japan overall?
Yes, usually. Our Hachiōji figures are point-value climate normals sampled at the city itself, while our Japan figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Hachiōji specifically — usually the more actionable data for a traveller planning to spend time in the city.