When to go · Iiyama
Iiyama in December
Great month. Inside Iiyama's best window: Dec–Mar, Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 7°C (45°F)45°F (7°C) / −2°C (28°F)28°F (−2°C)
- average high / low
- Rain days
- 7
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
Inside Iiyama's best window: Dec–Mar, Apr–Oct.
Is another month better than December?
No other month rates higher than December for Iiyama in this guide.
Weather in December
- IiyamaHighs around 7 °C (45 °F), lows around -2 °C (28 °F), rain on about 7 daysHighs around 45 °F (7 °C), lows around 28 °F (-2 °C), rain on about 7 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 Iiyama, side by side.
Verdict
Dec: Great
Jan: Great
Daytime high
Dec: 7 °C (45 °F)45 °F (7 °C)
Jan: 4 °C (39 °F)39 °F (4 °C)
Night low
Dec: -2 °C (28 °F)28 °F (-2 °C)
Jan: -4 °C (25 °F)25 °F (-4 °C)
Rain days
Dec: 7
Jan: 7
Crowds
Dec: Medium
Jan: Low
Prices
Dec: Medium
Jan: Low
Festivals listed
Dec: 1
Jan: 1
December: Inside Iiyama's best window: Dec–Mar, Apr–Oct.
January: Inside Iiyama's best window: Dec–Mar, Apr–Oct.
Iiyama: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings