Climate almanac

Iwata

Shizuoka, Japan · 34.70°, 137.85°

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What is the climate like in Iwata?

The best time to visit Iwata is typically December, the year's most comfortable month (6.5/10). Iwata is warmest in August, when daily highs average 91°F (33°C), and coolest in January, when lows fall to about 38°F (3°C). The wettest month is typically June and the driest is January; the year sees roughly 84 in (2145 mm) of precipitation.

  • Best time to visitDecember — the year's comfort peak (6.5/10)
  • Warmest monthAugust — average high 91°F (33°C)
  • Coolest monthJanuary — average low 38°F (3°C)
  • Wettest monthJune (13 in (318 mm))
  • Driest monthJanuary (2.2 in (56 mm))
  • Annual precipitation84 in (2145 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromHamamatsu, 12 km away (1951-2026)