Hiroshima weather in December
December in Hiroshima: cold, a little rain, with clean air — a great time to visit.
#7 of 12 months in Hiroshima · #276 of 604 destinations to visit in December · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Hiroshima climate normals — December
| Daytime high | 11°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 40°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 2°C / 36°F | |
| Sunshine | 7 h/day | |
| Daylight | 9.9 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 5.3 cm / 2.1 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hiroshima in December — FAQ
- Is December a good time to visit Hiroshima?
- December in Hiroshima: cold, a little rain, with clean air — a great time to visit. It ranks #7 of 12 months for Hiroshima on SeasonMap's comfort score (71/100).
- What is the weather like in Hiroshima in December?
- In December, Hiroshima averages a daily high of 10.7°C and a low of 4.2°C, with about 57.9 mm of rain over roughly 8.2 rainy days.
- What is the air quality in Hiroshima in December?
- Hiroshima has a mean US Air Quality Index of about 44 in December.
- Does it snow in Hiroshima in December?
- Hiroshima sees roughly 5.3 cm of snowfall in December.