Climate almanac

Shonai

Yamagata, Japan · 38.85°, 139.90°

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What is the climate like in Shonai?

The best time to visit Shonai is typically August, the year's most comfortable month (6.0/10). Shonai is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 29°F (-1°C). The wettest month is typically August and the driest is May; the year sees roughly 87 in (2222 mm) of precipitation.

  • Best time to visitAugust — the year's comfort peak (6.0/10)
  • Warmest monthAugust — average high 84°F (29°C)
  • Coolest monthJanuary — average low 29°F (-1°C)
  • Wettest monthAugust (10 in (255 mm))
  • Driest monthMay (5.3 in (135 mm))
  • Annual precipitation87 in (2222 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromShonai, 12 km away (1971-2026)