Climate almanac
Iwata
Shizuoka, Japan · 34.70°, 137.85°
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)