Osaka · WinterMonth summary
Osaka weather in January
⚠️ Fair
🌡️ Temperature min / max
1°C – 9°C
🌧 Rainy days
20% of days
☀️ Sunshine
8.9h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
5.5/10
📅 📅 Best month
May (7.6/10)
Quick decision
Should you visit Osaka in January?
⚠️ Fair
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Osaka in January is possible but May offers a score of 7.6/10 vs 5.5.
By trip type
Osaka in January by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in January
🎯 Winter dishes and comfort food specialities in local restaurants Winter in Osaka is cool (9°C during the day). Days are short (8.9h of sunshine) but the city reveals a different side. Rain risk remains low (20% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. May (7.6/10) is significantly better if possible.
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All months for Osaka
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 1°C | 9°C | 20% | 1.6 | 8.9h | 5.5/10 |
| 🌫️ February | 1°C | 9°C | 24% | 2.2 | 9.4h | 5.4/10 |
| ⛅ March | 4°C | 13°C | 34% | 3.5 | 10.3h | 6.1/10 |
| 🌤️ April | 10°C | 19°C | 33% | 4.9 | 11.0h | 7.2/10 |
| 🌤️ May | 15°C | 23°C | 37% | 6.1 | 11.4h | 7.6/10 |
| 🌤️ June | 19°C | 27°C | 47% | 7.9 | 10.0h | 7.6/10 |
| 🌤️ July | 24°C | 31°C | 52% | 7.8 | 12.0h | 7.3/10 |
| 🌤️ August | 26°C | 33°C | 43% | 5.2 | 12.0h | 7.2/10 |
| 🌤️ September | 22°C | 29°C | 49% | 7.1 | 10.2h | 7.5/10 |
| 🌤️ October | 15°C | 23°C | 36% | 6.2 | 9.9h | 7.5/10 |
| ⛅ November | 8°C | 17°C | 24% | 2.5 | 9.3h | 7.1/10 |
| 🌫️ December | 3°C | 11°C | 21% | 1.8 | 8.9h | 6.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In January, Osaka averages 9°C, 20% rainy days and 8.9h of sunshine per day. Overall weather score: 5.5/10.
See methodology →
Comparison
January vs May (best month)
The best month is May (score 7.6/10). Difference:
- 🌡️ Max temperature : +14°C
- 🌧 Rainy days : +17%
- ☀️ Sunshine : +2.5h/day
FAQ
FAQ — Osaka in January
Is January a good time to visit Osaka?
January is an acceptable time for Osaka (score 5.5/10). Conditions are decent but not optimal — consider May (7.6/10) if possible.
What's the weather like in Osaka in January?
It's cool with 9°C daytime and 1°C at night. 8.9h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
Activities and tours in Osaka
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