Kos vs St. Lucia

Pool deck with loungers overlooking a bay, white modern building, and dining area at Mitsis Selection Blue Domes under blue sky.

Private villa courtyard at Serenity at Coconut Bay with turquoise plunge pool, loungers, and pink cottage beyond palm trees.

Kos and St. Lucia, side by side: live travel advisories, our resort catalog's real guest data, and each destination's honest weather picture. Everything you need to break the tie.

By the numbers

Kos compared with St. Lucia
Kos	Measure	St. Lucia
Level 1: Exercise Normal Precautions (better)	U.S. travel advisory	Level 2: Exercise Increased Caution
2	Resorts in our catalog	17 (better)
★ 4.8 (better)	Average guest rating	★ 4.5
$177–$857/night pp	Nightly rates	$87–$810/night pp (better)
0 of 2	Adults-only resorts	8 of 17
No hurricane season (better)	Hurricane exposure	In the hurricane belt
November–March	Rainy season	June–November, heaviest September–October
June and September; July–August is hottest and windiest	Sweet spot	December–April

Advisory levels sync from travel.state.gov; catalog figures reflect the resorts we've researched, not every hotel in the country. A marked row is one we are willing to call; rows without a mark are a matter of taste, or we have no comparable figure for both sides.

On the map

Kos

St. Lucia

Weather, month by month

Month-by-month average high temperature and rainfall for Kos and St. Lucia
Measure	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kos · high °F	59	59	63	68	76	84	88	88	83	76	68	61
St. Lucia · high °F	84	84	85	87	88	88	88	88	88	87	86	84
Kos · rain (in)	5.0	3.4	2.4	0.9	0.4	0.1	0.0	0.0	0.3	2.1	3.6	5.8
St. Lucia · rain (in)	3.7	2.6	2.4	3.4	4.4	7.5	8.1	8.9	8.4	9.2	7.7	5.2

Approximate climate normals for Kos and Northwest coast (Rodney Bay–Soufrière): planning guidance, not a forecast. A deeper tint is a higher number, read within its own row.