Temperature
Warm by day, mild at night.
Warm days and some sun. Heavier storm-season rain is the main drawback.
Warm by day, mild at night.
It rains on most days, with a mix of brief and longer spells. About 21 wet days, more than in most months.
Cloudier spells limit sunshine.
Warm days, with humid periods.
In August, afternoons feel about 87° and nights feel near 74°.
Mostly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 80°F, easing to about 75°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