Nagasaki vs Saga: which is sunnier?
🇯🇵 Japan vs 🇯🇵 Japan · 44 km apart · long-term climate normals (NASA POWER, 2001–2020)
Nagasaki and Saga are virtually tied for annual sunshine — about 1,779 vs 1,752 hours a year. Their Sunshine Scores are within 2 points of each other in every month of the year.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Nagasaki | Saga | |
|---|---|---|
| Sunshine hours / year | 1,779 | 1,752 |
| Sunniest month | October (67/100) | October (67/100) |
| Nov–Feb average score | 29/100 | 28/100 |
| Jun–Aug average score | 61/100 | 61/100 |
| Rain / year | 2,077 mm | 2,077 mm |
| Warmest sea | 30°C / 86°F | 33°C / 91°F |
| Peak midday UV | 8 (very high) | 7 (high) |
Nagasaki vs Saga month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Nagasaki | Saga | Nagasaki | Saga | Nagasaki | Saga | Nagasaki | Saga | |
| January | 13 | 13 | 10° | 10° | 71 | 71 | 15° | 10° |
| February | 24 | 24 | 12° | 12° | 99 | 99 | 16° | 11° |
| March | 38 | 38 | 15° | 15° | 131 | 131 | 16° | 13° |
| April | 56 | 56 | 19° | 19° | 167 | 167 | 18° | 18° |
| May | 61 | 61 | 24° | 24° | 186 | 186 | 20° | 22° |
| June | 61 | 61 | 27° | 27° | 333 | 333 | 24° | 25° |
| July | 61 | 61 | 30° | 30° | 352 | 352 | 28° | 29° |
| August | 61 | 61 | 31° | 31° | 225 | 225 | 30° | 33° |
| September | 61 | 61 | 28° | 28° | 201 | 201 | 29° | 31° |
| October | 67 | 67 | 23° | 23° | 117 | 117 | 26° | 25° |
| November | 53 | 52 | 17° | 17° | 103 | 103 | 23° | 19° |
| December | 24 | 24 | 12° | 12° | 92 | 92 | 18° | 12° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Nagasaki averages 29/100, Saga 28/100. Daytime highs are similar (13°C vs 13°C). See the winter sun ranking.
- March–May: too close to call — Nagasaki averages 52/100, Saga 52/100. Daytime highs are similar (19°C vs 19°C).
- June–August: too close to call — Nagasaki averages 61/100, Saga 61/100. Daytime highs are similar (29°C vs 29°C).
- September–October: too close to call — Nagasaki averages 64/100, Saga 64/100. Daytime highs are similar (26°C vs 26°C).
Sea temperature
Saga's sea gets warmer: 33°C / 91°F at its peak vs 30°C. Swimmable water (21°C+): Nagasaki about 6 months a year, Saga about 6 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Nagasaki weather by month · Saga weather by month · Best time to visit Japan.
More comparisons: Nagasaki vs Fukuoka · Nagasaki vs Kumamoto · Nagasaki vs Kagoshima · Saga vs Fukuoka · Saga vs Kumamoto · Saga vs Miyazaki · all head-to-heads