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When to go · Onogawa Onsen

Onogawa Onsen in August

Great month. Inside Onogawa Onsen's best window: Dec–Mar for ski, Jun–Aug for fireflies, Apr–May for mild hiking.

Key facts

Verdict
Great
Temperature
28°C (82°F) / 20°C (68°F)
average high / low
Rain days
12
Crowds
High
Japan overall
Prices
High
Japan overall

Verdict

GreatBest and avoid months for Onogawa Onsen

Inside Onogawa Onsen's best window: Dec–Mar for ski, Jun–Aug for fireflies, Apr–May for mild hiking.

Is another month better than August?

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

Weather in August

Long-term averages
  • Onogawa OnsenHighs around 28 °C (82 °F), lows around 20 °C (68 °F), rain on about 12 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 Onogawa Onsen, side by side.

  • Verdict

    Aug: Great

    Jan: Great

  • Daytime high

    Aug: 28 °C (82 °F)

    Jan: 2 °C (36 °F)

  • Night low

    Aug: 20 °C (68 °F)

    Jan: -5 °C (23 °F)

  • Rain days

    Aug: 12

    Jan: 8 (better)

  • Crowds

    Aug: High

    Jan: Low

  • Prices

    Aug: High

    Jan: Low

  • Festivals listed

    Aug: 1

    Jan: 1

August: Inside Onogawa Onsen's best window: Dec–Mar for ski, Jun–Aug for fireflies, Apr–May for mild hiking.

January: Inside Onogawa Onsen's best window: Dec–Mar for ski, Jun–Aug for fireflies, Apr–May for mild hiking.

Onogawa 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 →