When to go · Onjuku
Onjuku in August
Great month. Inside Onjuku's best window: Jun–Sep (warm sea, surf season).
Key facts
- Verdict
- Great
- Temperature
- 30°C (86°F)86°F (30°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 12
- Crowds
- High
- Japan overall
- Prices
- High
- Japan overall
Verdict
Inside Onjuku's best window: Jun–Sep (warm sea, surf season).
Is another month better than August?
No other month rates higher than August for Onjuku in this guide.
Weather in August
- OnjukuHighs around 30 °C (86 °F), lows around 23 °C (73 °F), rain on about 12 daysHighs around 86 °F (30 °C), lows around 73 °F (23 °C), 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 Onjuku, side by side.
Verdict
Aug: Great
Jun: Great
Daytime high
Aug: 30 °C (86 °F)86 °F (30 °C)
Jun: 26 °C (79 °F)79 °F (26 °C)
Night low
Aug: 23 °C (73 °F)73 °F (23 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Rain days
Aug: 12
Jun: 11 (better)
Crowds
Aug: High
Jun: Low
Prices
Aug: High
Jun: Medium
Festivals listed
Aug: 1
Jun: 0
August: Inside Onjuku's best window: Jun–Sep (warm sea, surf season).
June: Inside Onjuku's best window: Jun–Sep (warm sea, surf season).
Onjuku: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast