Osaka vs Nagoya: which is sunnier?
🇯🇵 Japan vs 🇯🇵 Japan · 151 km apart · long-term climate normals (NASA POWER, 2001–2020)
Nagoya is the sunnier overall: about 1,906 hours of sunshine a year to Osaka's 1,831. Osaka has the higher Sunshine Score in 2 of 12 months; the other 10 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Osaka | Nagoya | |
|---|---|---|
| Sunshine hours / year | 1,831 | 1,906 |
| Sunniest month | May (64/100) | May (62/100) |
| Nov–Feb average score | 25/100 | 22/100 |
| Jun–Aug average score | 62/100 | 62/100 |
| Rain / year | 1,526 mm | 1,740 mm |
| Warmest sea | 29°C / 84°F | 29°C / 84°F |
| Peak midday UV | 7 (high) | 7 (high) |
Osaka vs Nagoya month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Osaka | Nagoya | Osaka | Nagoya | Osaka | Nagoya | Osaka | Nagoya | |
| January | 7 | 0 | 9° | 8° | 56 | 73 | 12° | 9° |
| February | 13 | 13 | 10° | 10° | 71 | 80 | 10° | 10° |
| March | 29 | 28 | 13° | 13° | 101 | 118 | 11° | 11° |
| April | 57 | 58 | 18° | 19° | 112 | 146 | 15° | 15° |
| May | 64 | 62 | 22° | 23° | 138 | 164 | 18° | 19° |
| June | 62 | 62 | 25° | 26° | 191 | 198 | 22° | 23° |
| July | 62 | 62 | 29° | 30° | 204 | 225 | 27° | 28° |
| August | 62 | 62 | 30° | 31° | 148 | 161 | 29° | 29° |
| September | 62 | 62 | 27° | 28° | 194 | 215 | 29° | 29° |
| October | 62 | 62 | 22° | 22° | 159 | 189 | 25° | 25° |
| November | 56 | 55 | 17° | 17° | 80 | 90 | 20° | 20° |
| December | 25 | 19 | 12° | 11° | 72 | 81 | 15° | 15° |
The sunnier month by month: Jan Osaka · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec Osaka.
When to pick which
- November–February: Osaka (average score 25/100 vs 22). Daytime highs are similar (12°C vs 12°C). See the winter sun ranking.
- March–May: too close to call — Osaka averages 50/100, Nagoya 49/100. Daytime highs are similar (18°C vs 18°C).
- June–August: too close to call — Osaka averages 62/100, Nagoya 62/100. Daytime highs are similar (28°C vs 29°C).
- September–October: too close to call — Osaka averages 62/100, Nagoya 62/100. Daytime highs are similar (25°C vs 25°C).
Sea temperature
Both seas peak at 29°C / 84°F. Swimmable water (21°C+): Osaka about 5 months a year, Nagoya about 5 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Osaka weather by month · Nagoya weather by month · Best time to visit Japan.
More comparisons: Osaka vs Kobe · Osaka vs Tokushima · Osaka vs Takamatsu · Nagoya vs Kobe · Nagoya vs Shizuoka · Nagoya vs Kanazawa · all head-to-heads