Nozawa Onsen (Nozawa) weather by month
Japan

The best time to visit Nozawa Onsen (Nozawa) is December to February — 89/100 in February, 3°C and 21 rainy days. The best season is winter, December to February (85/100 on average).
The worst month is September at 10/100 — warm, soaked, clean air. See September →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Japan →
Nozawa Onsen, month by month
Comfort score out of 100 for the kind of trip Nozawa Onsen is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 86 | A | 2°C | 25 d | 7 h | Quiet | 3 |
| FebFebruary | 89 | A | 3°C | 21 d | 8 h | Busy | 1 |
| MarMarch | 75 | B | 8°C | 18 d | 8 h | Busy | 1 |
| AprApril | 34 | F | 15°C | 17 d | 9 h | Busy | 1 |
| MayMay | 22 | F | 21°C | 16 d | 9 h | Busy | 2 |
| JunJune | 19 | F | 24°C | 18 d | 9 h | Shoulder | 1 |
| JulJuly | 13 | F | 27°C | 24 d | 9 h | Busy | — |
| AugAugust | 17 | F | 28°C | 22 d | 10 h | Busy | — |
| SepSeptember | 10 | F | 24°C | 19 d | 8 h | Quiet | — |
| OctOctober | 15 | F | 18°C | 17 d | 7 h | Quiet | 2 |
| NovNovember | 47 | F | 12°C | 18 d | 7 h | Shoulder | 3 |
| DecDecember | 80 | A | 5°C | 23 d | 7 h | Peak | 2 |
What's on in Nozawa Onsen through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Nozawa Onsen in February
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet