Hiroshima in May
7.3out of 10
Possible, with caveats
Warm and comfortable: highs around 23°C. Frequent rain: about 11 rainy days.
23°CAvg high
13°CAvg low
11Rainy days (141 mm)
13:48 hDaylight
05:13Sunrise · 19:00 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Frequent rain: about 11 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.8 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 May?
Daytime highs average 23°C and nights about 13°C.
When is the best time to visit Hiroshima?
The best months are October, May.