Is Ajaccio sunnier than Bastia?

Ajaccio is the sunnier: about 2,831 hours of sunshine a year versus 2,659 — a difference of 172 hours.

Which is warmer, Ajaccio or Bastia?

Year-round daytime highs are similar: Ajaccio averages 21°C (70°F), Bastia 21°C (70°F).

Which is better in winter (November–February), Ajaccio or Bastia?

They are close in the November–February window: Ajaccio averages 40/100 (about 14°C days), Bastia 40/100 (about 14°C).

Which has the warmer sea, Ajaccio or Bastia?

Bastia — its sea peaks at about 28°C (82°F) versus 26°C.

Ajaccio vs Bastia: which is sunnier?

🇫🇷 France vs 🇫🇷 France · 90 km apart · long-term climate normals (NASA POWER, 2001–2020)

Ajaccio is the sunnier overall: about 2,831 hours of sunshine a year to Bastia's 2,659. Bastia has the higher Sunshine Score in 2 of 12 months, Ajaccio in 1 (9 within 2 points).

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

At a glance

	Ajaccio	Bastia
Sunshine hours / year	2,831	2,659
Sunniest month	July (94/100)	July (92/100)
Nov–Feb average score	40/100	40/100
Jun–Aug average score	93/100	91/100
Rain / year	834 mm	641 mm
Warmest sea	26°C / 79°F	28°C / 82°F
Peak midday UV	9 (very high)	8 (very high)

Ajaccio vs Bastia month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Ajaccio	Bastia	Ajaccio	Bastia	Ajaccio	Bastia	Ajaccio	Bastia
January	32	28	13°	12°	100	61	15°	15°
February	33	35	13°	13°	91	61	15°	14°
March	47	49	15°	15°	82	62	15°	15°
April	70	78	18°	19°	63	49	16°	16°
May	85	86	22°	23°	60	48	19°	19°
June	91	90	27°	28°	24	24	23°	23°
July	94	92	30°	31°	10	12	26°	26°
August	93	91	30°	31°	16	18	26°	28°
September	85	86	26°	26°	57	49	24°	25°
October	77	79	22°	22°	104	83	22°	22°
November	54	57	17°	17°	128	102	20°	19°
December	39	41	14°	14°	99	72	17°	16°

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

When to pick which

November–February: too close to call — Ajaccio averages 40/100, Bastia 40/100. Daytime highs are similar (14°C vs 14°C). See the winter sun ranking.
March–May: Bastia (average score 71/100 vs 67). Daytime highs are similar (18°C vs 19°C).
June–August: too close to call — Ajaccio averages 93/100, Bastia 91/100. Daytime highs are similar (29°C vs 30°C).
September–October: too close to call — Ajaccio averages 81/100, Bastia 83/100. Daytime highs are similar (24°C vs 24°C).

Sea temperature

Bastia's sea gets warmer: 28°C / 82°F at its peak vs 26°C. Swimmable water (21°C+): Ajaccio about 5 months a year, Bastia about 5 months a year. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Ajaccio weather by month · Bastia weather by month · Best time to visit France.

More comparisons: Ajaccio vs Olbia (SS) · Ajaccio vs Alghero · Ajaccio vs Calvi · Bastia vs Pisa (PI) · Bastia vs Calvi · Bastia vs Figari · all head-to-heads