Matsuyama vs Kochi: which is sunnier?
🇯🇵 Japan vs 🇯🇵 Japan · 95 km apart · long-term climate normals (NASA POWER, 2001–2020)
Matsuyama and Kochi are virtually tied for annual sunshine — about 1,883 vs 1,922 hours a year. Kochi has the higher Sunshine Score in 4 of 12 months, Matsuyama in 1 (7 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Matsuyama | Kochi | |
|---|---|---|
| Sunshine hours / year | 1,883 | 1,922 |
| Sunniest month | October (68/100) | May (62/100) |
| Nov–Feb average score | 27/100 | 32/100 |
| Jun–Aug average score | 63/100 | 62/100 |
| Rain / year | 1,621 mm | 2,190 mm |
| Warmest sea | 30°C / 86°F | 31°C / 88°F |
| Peak midday UV | 8 (very high) | 8 (very high) |
Matsuyama vs Kochi month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Matsuyama | Kochi | Matsuyama | Kochi | Matsuyama | Kochi | Matsuyama | Kochi | |
| January | 7 | 13 | 9° | 10° | 56 | 68 | 14° | 17° |
| February | 19 | 24 | 11° | 12° | 76 | 103 | 12° | 17° |
| March | 35 | 38 | 14° | 15° | 109 | 137 | 13° | 17° |
| April | 55 | 57 | 18° | 19° | 128 | 169 | 16° | 19° |
| May | 62 | 62 | 22° | 23° | 153 | 212 | 18° | 21° |
| June | 62 | 62 | 25° | 26° | 242 | 298 | 22° | 24° |
| July | 62 | 62 | 28° | 29° | 268 | 291 | 27° | 28° |
| August | 64 | 62 | 30° | 30° | 138 | 236 | 30° | 31° |
| September | 62 | 62 | 27° | 28° | 181 | 286 | 29° | 30° |
| October | 68 | 62 | 23° | 23° | 119 | 194 | 24° | 27° |
| November | 57 | 58 | 17° | 18° | 77 | 110 | 21° | 24° |
| December | 25 | 31 | 12° | 13° | 74 | 86 | 16° | 20° |
The sunnier month by month: Jan Kochi · Feb Kochi · Mar Kochi · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct Matsuyama · Nov even · Dec Kochi.
When to pick which
- November–February: Kochi (average score 32/100 vs 27). Daytime highs are similar (12°C vs 13°C). See the winter sun ranking.
- March–May: too close to call — Matsuyama averages 51/100, Kochi 52/100. Daytime highs are similar (18°C vs 19°C).
- June–August: too close to call — Matsuyama averages 63/100, Kochi 62/100. Daytime highs are similar (28°C vs 28°C).
- September–October: Matsuyama (average score 65/100 vs 62). Daytime highs are similar (25°C vs 26°C).
Sea temperature
Kochi's sea gets warmer: 31°C / 88°F at its peak vs 30°C. Swimmable water (21°C+): Matsuyama about 6 months a year, Kochi about 7 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Matsuyama weather by month · Kochi weather by month · Best time to visit Japan.
More comparisons: Matsuyama vs Hiroshima · Matsuyama vs Iwakuni · Kochi vs Tokushima · Kochi vs Takamatsu · all head-to-heads