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Nozawa Onsen, Japan · Alpine mountain climate

Nozawa Onsen in August: go or not?

Excellent time. Nozawa Onsen in August scores 8.1/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 36.92°N · 138.44°E
⚡ This month's verdict
Go for it
Nozawa Onsen · August
8.1
21–28°
Temperature
37%
Rain
7h
Sun
❄️ Alpine climate☀️ High-altitude UV🌦️ Changeable weather
Photo : Sam Lee via Unsplash
The month in detail

What to expect in August

Off-season for skiing Nozawa Onsen — lifts are closed. Consider hiking, mountain biking or summer activities at altitude.

August is the best month of the year in Nozawa Onsen. Compared to July: 5 pts fewer rainy days.

This month's conditions

What it's like in August

UV index
7 · high
sunscreen and hat advised
Feels like
muggy at times
20°
Daylight
13.4h of daylight
Air quality
good
AQI 30
Compare

Is August the right month?

August is actually the best month of the year in Nozawa Onsen. Good timing.

See all 12 months →
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Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Nozawa Onsen

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a mountain stay.

Country · Japan

🗣️LanguageJapanese
💶CurrencyYen japonais (¥)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeAlpine mountain climate
📈Climate trend ⓘ+1.25°C/decade
🔥Hottest monthAugust · 28°C
❄️Coolest monthJanuary · 3°C
🌧️Rainiest month ⓘJanuary · 57%

🏔️ Mountain stay

⛰️Village altitude570 m
🎿Ski area570 → 1650 m
⛷️Ski seasonDec → May
🥾Hiking seasonJun → Sep
🧗High mountains ⓘGuide recommended
Location

Where is Nozawa Onsen ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Japan
Alpine mountain climate climate with a 8.1 → 0.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
36.92°N · 138.44°E
Questions

Frequently asked questions

When is the best time to visit Nozawa Onsen?
It depends on the activity. For skiing: February (ski score 8.1/10). For hiking/summer: February (8.1/10, 3.0°C).
Can you ski in Nozawa Onsen in winter?
Yes, it's peak ski season. Average ski score December–February: 7.7/10. Cold temperatures (3°C max in January) and frequent snowfall.
Is it warm in Nozawa Onsen in summer?
In February, temperatures average 3.0°C. Best period for hiking and outdoor activities.
What is the wettest month in Nozawa Onsen?
November is the wettest month with November has the lowest climate score of the year.
Do you need sun protection in Nozawa Onsen in August?
The average UV index reaches 7 in August in Nozawa Onsen (high), with about 13.4h of daylight. Sunscreen and hat advised.