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When to go · Zao Onsen

Zao Onsen in August

Great month. Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.

Key facts

Verdict
Great
Temperature
27°C (81°F) / 19°C (66°F)
average high / low
Rain days
14
Crowds
High
Japan overall
Prices
High
Japan overall

Verdict

GreatBest and avoid months for Zao Onsen

Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.

Is another month better than August?

No other month rates higher than August for Zao Onsen in this guide.

Weather in August

Long-term averages
  • Zao OnsenHighs around 27 °C (81 °F), lows around 19 °C (66 °F), rain on about 14 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Obon big impact

    About 13–16 Aug · Japan

    Family travel peak; Shinkansen and expressways jammed; some small shops close.

Crowds and prices

Crowds · Japan overall
High
Prices · Japan overall
High

Japan overall: Hottest month and Obon travel peak: go north (Hokkaidō, Tōhoku) or plan short outdoor windows.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Zao Onsen, side by side.

  • Verdict

    Aug: Great

    Jan: Great

  • Daytime high

    Aug: 27 °C (81 °F)

    Jan: -1 °C (30 °F)

  • Night low

    Aug: 19 °C (66 °F)

    Jan: -7 °C (19 °F)

  • Rain days

    Aug: 14 (better)

    Jan: 20

  • Crowds

    Aug: High

    Jan: Low

  • Prices

    Aug: High

    Jan: Low

  • Festivals listed

    Aug: 1

    Jan: 1

August: Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.

January: Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.

Zao Onsen: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Japan in August →