Month guide · Hiroshima · Japan
Hiroshima in December
What December is really like in Hiroshima: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Aude, CC BY-SA 3.0
Quick answer
December is a shoulder-season month. Expect average highs of 12°C (54°F), lows of 4°C (39°F), about 7 rainy days and roughly 9.9 hours of daylight. Cool and dry with festive illuminations along Peace Boulevard; oyster season is in full swing.
Key facts
- Average high / low
- 12°C (54°F) / 4°C (39°F)
- Rainy days
- About 7
- Daylight
- About 9.9 hours
- Crowds
- Quiet
- Hotel prices
- Average
Weather in December
December is the 10th-warmest month in Hiroshima: days average 12°C (54°F) against a yearly average high of 21°C (70°F), and nights fall to about 4°C (39°F). Rain falls on roughly 7 of its 31 days. Compared with November (18°C (64°F)), December is cooler; by January highs drop to around 10°C (50°F).
- Sunrise (15 December)
- About 07:10
- Sunset (15 December)
- About 17:02
- Daylight
- About 9.9 hours
Winter (December–February). Cool, dry and quiet, with illuminations and the peak of oyster season.
Crowds and prices
On a 1–5 scale, December rates 2 for crowds (the peak is April at 4) and 3 for hotel prices (highest in April). Prices sit in the middle of the year's range.
Events in December
- Hiroshima Dreamination continues (December)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in December
Mild, settled days suit walking, viewpoints and time outdoors.
Viewpoint · Peace Park and Hondori
Hiroshima Orizuru Tower
A modern office tower beside the Atomic Bomb Dome with an open-air rooftop observation deck looking straight down on the dome and across the Peace Park.
- Time needed
- 45 minutes
- Cost
- Mid-priced
- Views
- Kids
- Photo spot
Historic site · Peace Park and Hondori
Atomic Bomb Dome
See it twice: in daylight from the riverbank and after dark, when it is lit and the area is quiet.
- Time needed
- 30 minutes
- Cost
- Free
- Iconic
- History
- Free
- After dark

Museum · Peace Park and Hondori
Hiroshima Peace Memorial Museum
The museum documents the bombing and its aftermath through victims' belongings, photographs, testimonies and the long effects of radiation, then explains the nuclear age.
- Time needed
- 2 hours
- Cost
- Low cost
- History
- Rainy day
- Iconic

Religious site · Miyajima
Itsukushima Shrine
Check the tide table: come at high tide for the floating view and at low tide to walk to the torii, ideally on the same day.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Iconic
- History
- Architecture
- Photo spot
- Couples
What to pack
For highs near 12°C, lows near 4°C and 7 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is December a good time to visit Hiroshima?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Hiroshima in other months
Questions travellers ask
+Is December a good time to visit Hiroshima?
It is a shoulder-season month. Cool and dry with festive illuminations along Peace Boulevard; oyster season is in full swing.
+How warm is Hiroshima in December?
Average highs are around 12°C (54°F) and lows around 4°C (39°F).
+Does it rain a lot in Hiroshima in December?
Expect rain on about 7 days of the month.