Japan Hiroshima Weather in January — Climate Guide
January in Hiroshima is moderate
Hiroshima Weather in January — Quick Answer
As of 2026- Avg temp
- 10° / 2°
- Rainfall
- 50mm · 7 days
- Crowds
- Quiet
As of 2026, Hiroshima in January averages a high of 10°C and low of 2°C with 50mm of rain over about 7 days. Cold + dry. Heavy coat + sweater.
January is moderate for Hiroshima.
Cold + clear days. Hatsumode (New Year visits) at Itsukushima Shrine. Hotels affordable.
Travel score
Hiroshima January Weather Stats
Avg High
10°C
Avg Low
2°C
Rainy Days
7
50mm total
Sunshine
5h
Daily avg
Humidity
65%
moderate
UV Index
2
Low
Wind
8 km/h
Gusts 20
Sea Temp
13°C
no swimming
Crowds
Quiet
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
16 μg/m³
PM10
28 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
8°C
Nighttime
0°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 20 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Hotels 40-50% off summer
- Hatsumode atmospheric
- Less crowded Peace Park
- Miyajima less crowded
Cons
- 2-10°C cold
- Daylight 10h
- Outdoor sites cool
January Events & Festivals
- New Year shrine visits (Hatsumode)
- Quiet shoulder
Hiroshima in January — Full Picture
Cold + clear days. Hatsumode (New Year visits) at Itsukushima Shrine. Hotels affordable.
What to Wear & What to Pack
Cold + dry. Heavy coat + sweater.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.7°C
9.7°C
10/mo
Summer (Jun·Jul·Aug)
30.3°C
22.3°C
10.7/mo
Autumn (Sep·Oct·Nov)
23°C
14°C
7.3/mo
Winter (Dec·Jan·Feb)
Current11°C
2.7°C
6.7/mo
Hiroshima Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 10° | 2° | 7d·50mm | 5h | 65% | 2 | Quiet | Low season | |
| 11° | 2° | 7d·60mm | 6h | 65% | 3 | Quiet | Low season | |
| March (Best) | 14° | 5° | 10d·110mm | 7h | 65% | 4 | Very busy | Peak |
| April (Best) | 19° | 10° | 10d·130mm | 8h | 65% | 6 | Very busy | Peak |
| 23° | 14° | 10d·130mm | 8h | 70% | 7 | Very busy | Peak | |
| 27° | 19° | 13d·230mm | 5h | 75% | 7 | Moderate | Shoulder | |
| 31° | 24° | 11d·250mm | 6h | 75% | 9 | Busy | Peak | |
| 33° | 24° | 8d·130mm | 8h | 73% | 10 | Very busy | Peak | |
| 29° | 20° | 10d·200mm | 6h | 75% | 6 | Moderate | Shoulder | |
| October (Best) | 23° | 14° | 6d·100mm | 7h | 70% | 5 | Busy | Peak |
| November (Best) | 17° | 8° | 6d·80mm | 5h | 65% | 3 | Busy | Peak |
| 12° | 4° | 6d·50mm | 5h | 65% | 2 | Moderate | Shoulder |
View Other Months
Hiroshima January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Hiroshima?
Hiroshima in January is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Hiroshima in January?
Hiroshima January averages a high of 10°C and a low of 2°C.
Does it rain much in Hiroshima in January?
Hiroshima January averages 50mm of rainfall over about 7 rainy days.
What should I wear in Hiroshima in January?
Cold + dry. Heavy coat + sweater.
What time are sunrise and sunset in Hiroshima in January?
Hiroshima January sunrise is 07:15 and sunset is 17:15, with 10h of daylight.
What's the air quality like in Hiroshima in January?
Hiroshima January air quality (AQI) averages 45, rated Good. PM2.5 averages 16μg/m³.
What activities are recommended in Hiroshima in January?
In January, Hiroshima is great for Peace Memorial Park, Miyajima (uncrowded), Itsukushima Shrine Hatsumode.
Is January peak season in Hiroshima?
Hiroshima January crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Hiroshima
View Other Months
Planning a January trip to Hiroshima?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.