Is Naha sunnier than Amami?

Naha is the sunnier: about 1,823 hours of sunshine a year versus 1,650 — a difference of 173 hours.

Which is warmer, Naha or Amami?

Naha is warmer across the year: average daytime highs of 25°C (77°F) versus 23°C.

Which is better in winter (November–February), Naha or Amami?

Naha scores better across November–February: 77/100 average versus 66, with daytime highs around 22°C.

Which has the warmer sea, Naha or Amami?

Both peak at about 31°C (88°F); month-by-month sea temperatures for both are on this page.

Naha vs Amami: which is sunnier?

🇯🇵 Japan vs 🇯🇵 Japan · 322 km apart · long-term climate normals (NASA POWER, 2001–2020)

Naha is the sunnier overall: about 1,823 hours of sunshine a year to Amami's 1,650. Naha has the higher Sunshine Score in 8 of 12 months; the other 4 are within 2 points.

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Naha	Amami
Sunshine hours / year	1,823	1,650
Sunniest month	February (80/100)	December (72/100)
Nov–Feb average score	77/100	66/100
Jun–Aug average score	63/100	61/100
Rain / year	1,580 mm	1,891 mm
Warmest sea	31°C / 88°F	31°C / 88°F
Peak midday UV	10 (very high)	10 (very high)

Naha vs Amami month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Naha	Amami	Naha	Amami	Naha	Amami	Naha	Amami
January	78	61	20°	18°	61	80	23°	22°
February	80	62	20°	18°	50	78	22°	22°
March	74	61	21°	19°	81	119	22°	21°
April	66	61	23°	21°	124	164	24°	23°
May	62	61	25°	24°	209	241	25°	24°
June	62	61	27°	26°	293	364	26°	26°
July	66	61	29°	29°	125	167	30°	30°
August	62	61	30°	29°	175	169	31°	31°
September	62	61	29°	28°	186	179	30°	29°
October	66	62	27°	26°	126	142	29°	28°
November	74	70	24°	23°	83	99	27°	27°
December	77	72	22°	20°	67	89	24°	24°

The sunnier month by month: Jan Naha · Feb Naha · Mar Naha · Apr Naha · May even · Jun even · Jul Naha · Aug even · Sep even · Oct Naha · Nov Naha · Dec Naha.

When to pick which

November–February: Naha (average score 77/100 vs 66). Naha is the warmer, around 22°C daytime highs vs 20°C. See the winter sun ranking.
March–May: Naha (average score 67/100 vs 61). Naha is the warmer, around 23°C daytime highs vs 21°C.
June–August: too close to call — Naha averages 63/100, Amami 61/100. Daytime highs are similar (29°C vs 28°C).
September–October: too close to call — Naha averages 64/100, Amami 62/100. Daytime highs are similar (28°C vs 27°C).

Sea temperature

Both seas peak at 31°C / 88°F. Swimmable water (21°C+): Naha all year, Amami all year. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Naha weather by month · Amami weather by month · Best time to visit Japan.

More comparisons: Naha vs Miyakojima · Naha vs Miyakojima · Amami vs Kagoshima · Amami vs Miyazaki · all head-to-heads