Is Fort-de-France sunnier than Vieux Fort?

They are nearly tied: Fort-de-France gets about 3,048 hours of sunshine a year and Vieux Fort about 3,039.

Which is warmer, Fort-de-France or Vieux Fort?

Year-round daytime highs are similar: Fort-de-France averages 28°C (82°F), Vieux Fort 28°C (82°F).

Which is better in winter (November–February), Fort-de-France or Vieux Fort?

They are close in the November–February window: Fort-de-France averages 81/100 (about 28°C days), Vieux Fort 83/100 (about 28°C).

Which has the warmer sea, Fort-de-France or Vieux Fort?

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

Fort-de-France vs Vieux Fort: which is sunnier?

🇲🇶 Martinique vs 🇱🇨 St. Lucia · 96 km apart · long-term climate normals (NASA POWER, 2001–2020)

Fort-de-France and Vieux Fort are virtually tied for annual sunshine — about 3,048 vs 3,039 hours a year. Vieux Fort has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.

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

Fort-de-France, Martinique — Fort-de-France

At a glance

	Fort-de-France	Vieux Fort
Sunshine hours / year	3,048	3,039
Sunniest month	February (89/100)	February (90/100)
Nov–Feb average score	81/100	83/100
Jun–Aug average score	71/100	74/100
Rain / year	1,478 mm	1,177 mm
Warmest sea	31°C / 88°F	31°C / 88°F
Peak midday UV	12 (extreme)	12 (extreme)

Fort-de-France vs Vieux Fort month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Fort-de-France	Vieux Fort	Fort-de-France	Vieux Fort	Fort-de-France	Vieux Fort	Fort-de-France	Vieux Fort
January	85	86	27°	27°	66	59	28°	28°
February	89	90	27°	27°	46	38	28°	28°
March	88	90	27°	27°	51	39	28°	28°
April	80	84	28°	27°	94	71	29°	29°
May	77	83	28°	28°	111	74	29°	29°
June	73	76	29°	28°	133	114	29°	29°
July	70	75	29°	28°	157	122	29°	29°
August	70	71	29°	29°	184	144	30°	30°
September	70	71	29°	29°	179	144	31°	31°
October	70	70	29°	29°	198	159	30°	30°
November	70	72	28°	28°	167	139	30°	30°
December	80	83	28°	28°	92	74	29°	29°

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

When to pick which

November–February: too close to call — Fort-de-France averages 81/100, Vieux Fort 83/100. Daytime highs are similar (28°C vs 28°C). See the winter sun ranking.
March–May: Vieux Fort (average score 86/100 vs 82). Daytime highs are similar (28°C vs 27°C).
June–August: Vieux Fort (average score 74/100 vs 71). Daytime highs are similar (29°C vs 28°C).
September–October: too close to call — Fort-de-France averages 70/100, Vieux Fort 71/100. Daytime highs are similar (29°C vs 29°C).

Sea temperature

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

Full month-by-month guides: Fort-de-France weather by month · Vieux Fort weather by month.

More comparisons: Fort-de-France vs Bridgetown · Fort-de-France vs Kingstown · Fort-de-France vs Marigot · Vieux Fort vs Bridgetown · Vieux Fort vs Kingstown · Vieux Fort vs Saint George's · all head-to-heads