Is Havana sunnier than Key West?

Key West is the sunnier: about 2,953 hours of sunshine a year versus 2,871 — a difference of 82 hours.

Which is warmer, Havana or Key West?

Havana is warmer across the year: average daytime highs of 30°C (86°F) versus 27°C.

Which is better in winter (November–February), Havana or Key West?

They are close in the November–February window: Havana averages 90/100 (about 27°C days), Key West 89/100 (about 24°C).

Which has the warmer sea, Havana or Key West?

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

Havana vs Key West: which is sunnier?

🇨🇺 Cuba vs 🇺🇸 United States · 186 km apart · long-term climate normals (NASA POWER, 2001–2020)

Key West is the sunnier overall: about 2,953 hours of sunshine a year to Havana's 2,871. Havana 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.

At a glance

	Havana	Key West
Sunshine hours / year	2,871	2,953
Sunniest month	March (92/100)	March (92/100)
Nov–Feb average score	90/100	89/100
Jun–Aug average score	75/100	70/100
Rain / year	742 mm	1,054 mm
Warmest sea	31°C / 88°F	31°C / 88°F
Peak midday UV	10 (very high)	10 (very high)

Havana vs Key West month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Havana	Key West	Havana	Key West	Havana	Key West	Havana	Key West
January	90	90	26°	23°	30	33	27°	24°
February	91	90	28°	23°	29	34	26°	23°
March	92	92	29°	24°	23	26	27°	26°
April	90	88	31°	26°	33	44	27°	26°
May	84	79	32°	27°	64	96	29°	29°
June	76	69	32°	29°	108	157	29°	30°
July	73	73	33°	30°	83	127	30°	31°
August	76	69	32°	30°	108	156	31°	31°
September	77	69	31°	29°	102	177	31°	31°
October	80	75	30°	28°	87	116	29°	29°
November	88	88	28°	26°	45	49	28°	27°
December	90	89	27°	24°	30	39	27°	25°

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

When to pick which

November–February: too close to call — Havana averages 90/100, Key West 89/100. Havana is the warmer, around 27°C daytime highs vs 24°C. See the winter sun ranking.
March–May: Havana (average score 89/100 vs 86). Havana is the warmer, around 31°C daytime highs vs 26°C.
June–August: Havana (average score 75/100 vs 70). Havana is the warmer, around 32°C daytime highs vs 30°C.
September–October: Havana (average score 79/100 vs 72). Havana is the warmer, around 31°C daytime highs vs 29°C.

Sea temperature

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

Full month-by-month guides: Havana weather by month · Key West weather by month · Best time to visit United States.

More comparisons: Havana vs Miami · Havana vs Fort Myers · Havana vs George Town · Key West vs Miami · Key West vs Fort Myers · all head-to-heads