January · Japan
Best time to visit Hiroshima in January Weather, crowds & prices
Weather in Hiroshima in January
Average temperature 4°C, 42 mm of rain, about 24 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
7.4/10
Ranked #3 of 12 months
- Avg temp
- 4°C
- Rainfall
- 42 mm
- Humidity
- 70%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Hiroshima scores 7.4/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 4°C, 42 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Peace park memorials and island shrine ferries peak May through September.
January in Hiroshima — reliably good (3rd best month)
Expect 4°C (40°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 42 mm of rain, any showers tend to pass through rather than settle in; about 24 days with 6+ hours of sunshine and 10.2 hours of daylight fill the rest.
That is 7.4/10 on the same scale — 3rd of 12 months, versus 8.7/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Hiroshima in January?
- In January, Hiroshima averages 4°C, 42 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is January a good time to visit Hiroshima?
- January earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hiroshima in January?
- Expect about 42 mm of rain in January. Average humidity is 70% and there are about 24 days with 6+ hours of sunshine.
Curated in Hiroshima
Tickets & experiences
Things to do in Hiroshima
Hiroshima, Japan. Live activities and tours from GetYourGuide, matched to this destination.

