Hiroshima December weather
Hiroshima, Japan · December
Daytime can feel okay; after sunset it turns winter-fast
December mornings are crisp, and wind can drop perceived comfort quickly. Daytime sun can feel manageable, but after sunset it often flips fully into winter feel.
If you include Miyajima, sea breeze and waiting time can matter more than the forecast number—layering helps.
December averages at a glance
Average low
around 5–7°C
Average high
around 12–14°C
Average rainfall
around 40–100 mm
Rainy days
about 5–8 days
What to wear in December in Hiroshima
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Coat or padded jacket with warm inner layers is common; scarves help for nights.
- • Rain can make it feel colder—keep one waterproof option (umbrella or shell).
- • Warm socks help on long walking days.
Travel tips for visiting Hiroshima in December
- • Plan for wind and standing time if you have night plans outdoors.
- • Warm café stops reduce cold fatigue.
- • Dry air can irritate skin/lips—moisturizer and lip balm can help.
December weather in Hiroshima — FAQ
Q. Is Hiroshima very cold in December?
A. It can feel mild at times, but wind, shade, and evening hours change the feel a lot. If you’re outside at night, pack warmer.
Q. Is a padded jacket too much?
A. Some people find it warm at midday, but it’s comfortable for windy evenings. Coats work too with good layering.
Q. Will rain disrupt plans?
A. Long rain can slow transfers. One indoor backup option keeps the day stable.
Explore Hiroshima
These pages are connected so you can compare conditions and decide for yourself.