Yamaguchi in December
6.0out of 10
Possible, with caveats
Cool: highs only around 11°C. Frequent rain: about 10 rainy days.
11°CAvg high
4°CAvg low
10Rainy days (64 mm)
9:44 hDaylight
07:18Sunrise · 17:02 Sunset
Why this score
- Cool: highs only around 11°C
- Frequent rain: about 10 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±3.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 2°C | 63 mm | 10 | – | – | 5.6 |
| February | 10°C | 3°C | 73 mm | 10 | – | – | 5.9 |
| March | 14°C | 5°C | 117 mm | 12 | – | – | 6.0 |
| April | 19°C | 10°C | 131 mm | 11 | – | – | 6.9 |
| May | 23°C | 14°C | 146 mm | 10 | – | – | 7.4 |
| June | 26°C | 19°C | 256 mm | 15 | – | – | 6.3 |
| July | 30°C | 23°C | 277 mm | 17 | – | – | 5.9 |
| August | 31°C | 24°C | 168 mm | 15 | – | – | 6.0 |
| September | 28°C | 20°C | 179 mm | 12 | – | – | 7.0 |
| October | 23°C | 14°C | 96 mm | 8 | – | – | 7.9 |
| November | 17°C | 9°C | 75 mm | 8 | – | – | 7.2 |
| December | 11°C | 4°C | 64 mm | 10 | – | – | 6.0 |
Frequently asked questions
How hot is Yamaguchi in December?
Daytime highs average 11°C and nights about 4°C.
When is the best time to visit Yamaguchi?
The best months are October, May.