Weather in Koriyama, Japan
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -3°C | 4°C | 52.8 mm | 62% | 52.4 km/h |
| February | -2°C | 5°C | 61.3 mm | 62% | 55.9 km/h |
| March | 1°C | 10°C | 106.4 mm | 65% | 51.2 km/h |
| April | 6°C | 16°C | 92.4 mm | 64% | 46.8 km/h |
| May | 10°C | 20°C | 131.9 mm | 71% | 43.3 km/h |
| June | 16°C | 24°C | 139.8 mm | 76% | 35.7 km/h |
| July | 21°C | 29°C | 127.1 mm | 74% | 33.2 km/h |
| August | 22°C | 29°C | 152.3 mm | 72% | 34.5 km/h |
| September | 18°C | 25°C | 147.0 mm | 76% | 33.7 km/h |
| October | 10°C | 18°C | 118.3 mm | 69% | 36.0 km/h |
| November | 4°C | 13°C | 76.6 mm | 58% | 44.0 km/h |
| December | -1°C | 6°C | 74.7 mm | 60% | 51.1 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.0% | |
| March | 0.8% | |
| April | 8.1% | |
| May | 16.6% | |
| June | 20.7% | |
| July | 8.5% | |
| August | 8.3% | |
| September | 22.0% | |
| October | 14.5% | |
| November | 2.5% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 225,981
- Elevation
- 500 m
- Coordinates
- 37.40°N, 140.37°E
- Urban area
- 63 km²
Weather averages use 4 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated