Innoshima in December
6.0out of 10
Possible, with caveats
Cool: highs only around 12°C. Frequent rain: about 11 rainy days.
12°CAvg high
8°CAvg low
11Rainy days (70 mm)
9:43 hDaylight
07:12Sunrise · 16:55 Sunset
Why this score
- Cool: highs only around 12°C
- Frequent rain: about 11 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 (±3.4 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 | 5°C | 65 mm | 12 | – | – | 5.5 |
| February | 10°C | 5°C | 71 mm | 10 | – | – | 5.8 |
| March | 13°C | 8°C | 103 mm | 11 | – | – | 6.0 |
| April | 17°C | 12°C | 112 mm | 10 | – | – | 6.8 |
| May | 21°C | 17°C | 127 mm | 10 | – | – | 7.4 |
| June | 24°C | 21°C | 196 mm | 13 | – | – | 6.8 |
| July | 28°C | 25°C | 168 mm | 12 | – | – | 7.1 |
| August | 30°C | 26°C | 93 mm | 8 | – | – | 7.7 |
| September | 27°C | 23°C | 155 mm | 10 | – | – | 7.4 |
| October | 22°C | 17°C | 126 mm | 9 | – | – | 7.7 |
| November | 17°C | 12°C | 66 mm | 8 | – | – | 7.2 |
| December | 12°C | 8°C | 70 mm | 11 | – | – | 6.0 |
Frequently asked questions
How hot is Innoshima in December?
Daytime highs average 12°C and nights about 8°C.
When is the best time to visit Innoshima?
The best months are August, October, May, September.