Hiroshima in December
5.8out of 10
Possible, with caveats
Cool: highs only around 10°C. Frequent rain: about 10 rainy days.
10°CAvg high
2°CAvg low
10Rainy days (64 mm)
9:43 hDaylight
07:15Sunrise · 16:58 Sunset
Why this score
- Cool: highs only around 10°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?
Rainfall in December is fairly consistent from year to year (2.9 days). 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 | 8°C | 0°C | 56 mm | 9 | – | – | 5.4 |
| February | 9°C | 1°C | 68 mm | 10 | – | – | 5.5 |
| March | 13°C | 4°C | 110 mm | 12 | – | – | 5.8 |
| April | 18°C | 9°C | 125 mm | 11 | – | – | 6.8 |
| May | 23°C | 13°C | 141 mm | 11 | – | – | 7.3 |
| June | 25°C | 18°C | 220 mm | 15 | – | – | 6.4 |
| July | 29°C | 22°C | 246 mm | 17 | – | – | 6.1 |
| August | 31°C | 23°C | 159 mm | 15 | – | – | 6.3 |
| September | 27°C | 19°C | 188 mm | 13 | – | – | 6.9 |
| October | 22°C | 13°C | 108 mm | 9 | – | – | 7.8 |
| November | 16°C | 7°C | 70 mm | 8 | – | – | 7.0 |
| December | 10°C | 2°C | 64 mm | 10 | – | – | 5.8 |
Frequently asked questions
How hot is Hiroshima in December?
Daytime highs average 10°C and nights about 2°C.
When is the best time to visit Hiroshima?
The best months are October, May.