Weather in Nagano (near 36.64°N, 138.20°E), 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 | -5°C | 3°C | 116.8 mm | 65% | 37.4 km/h |
| February | -4°C | 4°C | 117.6 mm | 66% | 39.4 km/h |
| March | -1°C | 10°C | 132.0 mm | 63% | 38.6 km/h |
| April | 5°C | 16°C | 129.0 mm | 63% | 39.1 km/h |
| May | 9°C | 20°C | 173.9 mm | 70% | 35.9 km/h |
| June | 15°C | 24°C | 186.1 mm | 76% | 30.9 km/h |
| July | 20°C | 28°C | 234.8 mm | 70% | 29.0 km/h |
| August | 20°C | 29°C | 211.7 mm | 70% | 31.3 km/h |
| September | 17°C | 26°C | 192.2 mm | 72% | 29.3 km/h |
| October | 9°C | 18°C | 144.5 mm | 67% | 31.0 km/h |
| November | 3°C | 12°C | 124.6 mm | 58% | 34.1 km/h |
| December | -3°C | 5°C | 138.3 mm | 63% | 36.2 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 | 0.9% | |
| April | 9.0% | |
| May | 21.3% | |
| June | 21.7% | |
| July | 13.8% | |
| August | 12.6% | |
| September | 23.8% | |
| October | 15.9% | |
| November | 3.2% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 270,476
- Elevation
- 842 m
- Coordinates
- 36.64°N, 138.20°E
- Urban area
- 82 km²
Weather averages use 3 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