Best Time to Visit Yamagata, Yamagata Prefecture, Japan
Month-by-month climate guide for planning a trip to Yamagata.
Yamagata 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 (March, 74 mm / 2.9 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 -0.2°C / 31.6°F in January to 25.9°C / 78.6°F in August, with rainfall from 74 mm / 2.9 in (March) to 151 mm / 5.9 in (July). These are point-value climate normals sampled at Yamagata, Yamagata Prefecture, Japan's coordinates — usually more actionable for travellers than the country-wide average. Yamagata's climate is broadly strongly continental. 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 |
|---|---|---|---|
| May | 16.8°C62.2°F | 80 mm3.1″ | — |
| June | 20.8°C69.4°F | 112 mm4.4″ | — |
| August | 25.9°C78.6°F | 145 mm5.7″ | — |
No month at Yamagata matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Yamagata?
Yamagata doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on March (driest, ~74 mm / 2.9 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 Yamagata?
The rainy season at Yamagata, Yamagata Prefecture runs through June–October, when monthly rainfall exceeds the annual median of about 100 mm / 3.9 in. The wettest single month is July (151 mm / 5.9 in).
What is the driest month in Yamagata?
The driest month in Yamagata is March, averaging about 74 mm / 2.9 in of rainfall. Temperature that month averages 4.1°C / 39.4°F.
What months should I avoid visiting Yamagata?
The least comfortable months for travel to Yamagata — based on point-value climate at the city — are January, February, March, July, August, September, December. These are the wettest or coolest months at this location. Rainfall peaks at 151 mm / 5.9 in in July, and the coldest month averages -0.2°C / 31.6°F.
Is Yamagata climate different from Japan overall?
Yes, usually. Our Yamagata 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 Yamagata specifically — usually the more actionable data for a traveller planning to spend time in the city.