Osaka · SpringMonth summary
Osaka weather in May
✅ Good
🌡️ Temperature min / max
15°C – 23°C
🌧 Rainy days
37% of days
☀️ Sunshine
11.4h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
May (7.6/10)
Quick decision
Should you visit Osaka in May?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 23°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Favourable conditions in May (7.6/10). May scores higher but the gap is small.
By trip type
Osaka in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in May
🎯 Open terraces and outdoor markets — best season for al fresco dining Spring marks the start of the good season in Osaka. Temperatures rise (23°C) and tourists have not yet arrived en masse. Expect rain on 37% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if May (7.6/10) remains theoretically better.
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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 May, Osaka averages 23°C, 37% rainy days and 11.4h of sunshine per day. Overall weather score: 7.6/10.
See methodology →
Comparison
May vs May (best month)
The best month is May (score 7.6/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Osaka in May
Is May a good time to visit Osaka?
May is an excellent time to visit Osaka (score 7.6/10). With 23°C, 11.4h of sunshine and 37% rain, conditions are very favourable.
What to do in Osaka in May?
With 23°C max and 11.4h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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