When to go · Onjuku
Onjuku in January
Avoid month. Listed as a month to avoid: Dec–Feb (cold water, limited surf).
Key facts
- Verdict
- Avoid
- Temperature
- 10°C (50°F)50°F (10°C) / 2°C (36°F)36°F (2°C)
- average high / low
- Rain days
- 8
- Crowds
- Low
- Japan overall
- Prices
- Low
- Japan overall
Verdict
Listed as a month to avoid: Dec–Feb (cold water, limited surf).
Is another month better than January?
January is rated avoid. These months rate higher:
Weather in January
- OnjukuHighs around 10 °C (50 °F), lows around 2 °C (36 °F), rain on about 8 daysHighs around 50 °F (10 °C), lows around 36 °F (2 °C), rain on about 8 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.
New Year (Shōgatsu) big impact
29 Dec – 3 Jan · Japan
Shops, museums and many restaurants close; shrines packed on 1–3 Jan; trains full on 29–30 Dec and 2–3 Jan.
Crowds and prices
- Crowds · Japan overall
- Low
- Prices · Japan overall
- Low
Japan overall: Cold, dry and clear in the cities after 3 Jan; ski season in Hokkaidō and the Alps.
Compare two months
Weather, crowds and prices for any two months in Onjuku, side by side.
Verdict
Jan: Avoid
Jun: Great (better)
Daytime high
Jan: 10 °C (50 °F)50 °F (10 °C)
Jun: 26 °C (79 °F)79 °F (26 °C)
Night low
Jan: 2 °C (36 °F)36 °F (2 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Rain days
Jan: 8 (better)
Jun: 11
Crowds
Jan: Low
Jun: Low
Prices
Jan: Low
Jun: Medium
Festivals listed
Jan: 1
Jun: 0
January: Listed as a month to avoid: Dec–Feb (cold water, limited surf).
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
- A warm coat, hat and gloves for mornings and evenings