Temperature
Cool by day, cold at night.
58°Ftypical April high
Typical range
Cool days and some sun.
Cool by day, cold at night.
Rain is frequent. About 15 wet days, the lowest monthly average.
Cloudier spells limit sunshine.
In April, afternoons feel about 50° and nights feel near 36°.
Mostly cloudy skies this month.
Calm winds are typical in April.
April late afternoons are around 54°F, easing to about 48°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 35 | 24 | 8.9 | 26 | 7.2 | 82 |
| Feb | 37 | 26 | 6.7 | 21 | 7.8 | 80 |
| Mar | 45 | 31 | 6.4 | 20 | 8.8 | 75 |
| Apr | 58 | 40 | 5.2 | 15 | 9.3 | 72 |
| May | 69 | 51 | 6.0 | 16 | 9.7 | 73 |
| Jun | 75 | 60 | 7.2 | 19 | 9.4 | 78 |
| Jul | 81 | 68 | 10.5 | 23 | 9.3 | 82 |
| Aug | 83 | 69 | 8.8 | 21 | 10.0 | 81 |
| Sep | 76 | 62 | 8.3 | 18 | 8.3 | 82 |
| Oct | 65 | 50 | 7.5 | 17 | 7.8 | 82 |
| Nov | 53 | 39 | 6.5 | 19 | 7.0 | 82 |
| Dec | 41 | 28 | 8.4 | 23 | 6.8 | 82 |
Similar climates
Want a side-by-side climate view? Compare Nozawa Onsen with Nagano.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology