When to go · Koshu
Koshu in December
Good month. Outside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Cold and clear until the New Year shutdown from 29 Dec.
Key facts
- Verdict
- Good
- Temperature
- 9°C (48°F)48°F (9°C) / 1°C (34°F)34°F (1°C)
- average high / low
- Rain days
- 3
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
Outside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Cold and clear until the New Year shutdown from 29 Dec.
Is another month better than December?
December is rated good. These months rate higher:
- AprilGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
- MayGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
- JuneGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
- JulyGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
Weather in December
- KoshuHighs around 9 °C (48 °F), lows around 1 °C (34 °F), rain on about 3 daysHighs around 48 °F (9 °C), lows around 34 °F (1 °C), rain on about 3 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
- Medium
- Prices · Japan overall
- Medium
Japan overall: Cold and clear until the New Year shutdown from 29 Dec.
Compare two months
Weather, crowds and prices for any two months in Koshu, side by side.
Verdict
Dec: Good
Apr: Great (better)
Daytime high
Dec: 9 °C (48 °F)48 °F (9 °C)
Apr: 18 °C (64 °F)64 °F (18 °C)
Night low
Dec: 1 °C (34 °F)34 °F (1 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Dec: 3 (better)
Apr: 6
Crowds
Dec: Medium
Apr: High
Prices
Dec: Medium
Apr: High
Festivals listed
Dec: 1
Apr: 2
December: Outside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Cold and clear until the New Year shutdown from 29 Dec.
April: Inside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
Koshu: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings