Climate almanac
Ōarai
Ibaraki, Japan · 36.31°, 140.58°
What is the climate like in Ōarai?
The best time to visit Ōarai is typically October, the year's most comfortable month (6.2/10). Ōarai is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 38°F (4°C). The wettest month is typically October and the driest is January; the year sees roughly 62 in (1564 mm) of precipitation.
- Best time to visitOctober — the year's comfort peak (6.2/10)
- Warmest monthAugust — average high 84°F (29°C)
- Coolest monthJanuary — average low 38°F (4°C)
- Wettest monthOctober (7.9 in (201 mm))
- Driest monthJanuary (2.4 in (60 mm))
- Annual precipitation62 in (1564 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMito, 13 km away (1951-2026)