Matsuyama · SummerMonth summary
Matsuyama weather in August
✅ Good
🌡️ Temperature min / max
25°C – 30°C
🌧 Rainy days
43% of days
☀️ Sunshine
10.0h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
September (8.3/10)
Quick decision
Should you visit Matsuyama in August?
✅ Good
✅ Yes if: you're looking for maximum sunshine — 10.0h per day on average.
❌ No if: you struggle with heat — temperatures regularly exceed 30°C.
Our take: Favourable conditions in August (8.0/10). September scores higher but the gap is small.
By trip type
Matsuyama in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
In the height of summer, Matsuyama sees high temperatures (30°C). Heat is a factor for outdoor activities. Expect rain on 43% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if September (8.3/10) remains theoretically better.
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All months for Matsuyama
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 4°C | 10°C | 28% | 71.1 | 7.4h | 7.0/10 |
| 🌫️ February | 3°C | 10°C | 31% | 70.9 | 8.7h | 7.0/10 |
| ⛅ March | 6°C | 14°C | 35% | 114.6 | 8.4h | 7.0/10 |
| 🌤️ April | 11°C | 18°C | 33% | 147.2 | 9.0h | 7.4/10 |
| 🌤️ May | 15°C | 22°C | 32% | 149.2 | 9.1h | 8.1/10 |
| 🌤️ June | 19°C | 25°C | 49% | 244.8 | 8.3h | 7.9/10 |
| 🌤️ July | 24°C | 29°C | 51% | 250.8 | 9.0h | 8.0/10 |
| 🌤️ August | 25°C | 30°C | 43% | 176.4 | 10.0h | 8.0/10 |
| 🌤️ September | 22°C | 27°C | 43% | 188.1 | 8.6h | 8.3/10 |
| 🌤️ October | 16°C | 22°C | 28% | 113.7 | 8.2h | 8.2/10 |
| 🌤️ November | 11°C | 18°C | 29% | 87.4 | 8.0h | 7.5/10 |
| ⛅ December | 6°C | 12°C | 33% | 81.9 | 7.3h | 7.0/10 |
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 August, Matsuyama averages 30°C, 43% rainy days and 10.0h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
August vs September (best month)
The best month is September (score 8.3/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : -1.4h/day
FAQ
FAQ — Matsuyama in August
Is August a good time to visit Matsuyama?
August is an excellent time to visit Matsuyama (score 8.0/10). With 30°C, 10.0h of sunshine and 43% rain, conditions are very favourable.
What to do in Matsuyama in August?
With 30°C and 10.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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