Cayo Largo del Sur weather by month & the best time to visit
🇨🇺 Cuba · beach resort · semi-arid climate
The best time to visit Cayo Largo del Sur is January — its sunniest month (Sunshine Score 94/100), with February and March close behind. Cayo Largo del Sur averages about 3,004 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 16 mm of rain in January.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 3,004
- Sunniest month
- January
- Peak score
- 94/100
- Rain / year
- 647 mm
- Midday UV at peak
- 10 (very high)
- Sea at warmest
- 31°C / 88°F
- Population
- 24k
- Elevation
- Sea level
When is the best time to visit Cayo Largo del Sur?
For sunshine, the best time to visit Cayo Largo del Sur is January, then February and March. The dullest month is August (78/100, 100 mm of rain). The full month-by-month picture is in the table below.
How sunny is Cayo Largo del Sur?
Cayo Largo del Sur is one of the sunniest places on Earth: about 3,004 hours of sunshine a year. January (94/100) is noticeably better than August (78). Cayo Largo del Sur is the sunniest of the 12 destinations tracked in Cuba. Rain has a clear season: the wettest stretch, around September, carries about 46% of the annual 647 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 94 | 26° / 79°F | 24° / 75°F | 16 mm | 7 | 27° / 81°F |
| February | 94 | 26° / 79°F | 24° / 75°F | 17 mm | 8 | 26° / 79°F |
| March | 94 | 26° / 79°F | 24° / 75°F | 15 mm | 10 | 27° / 81°F |
| April | 92 | 27° / 81°F | 26° / 79°F | 24 mm | 10 | 28° / 82°F |
| May | 84 | 28° / 82°F | 27° / 81°F | 71 mm | 10 | 30° / 86°F |
| June | 82 | 29° / 84°F | 28° / 82°F | 83 mm | 10 | 30° / 86°F |
| July | 83 | 30° / 86°F | 29° / 84°F | 75 mm | 10 | 30° / 86°F |
| August | 78 | 30° / 86°F | 29° / 84°F | 100 mm | 10 | 31° / 88°F |
| September | 78 | 30° / 86°F | 29° / 84°F | 105 mm | 10 | 31° / 88°F |
| October | 80 | 29° / 84°F | 28° / 82°F | 91 mm | 8 | 30° / 86°F |
| November | 92 | 28° / 82°F | 26° / 79°F | 26 mm | 7 | 29° / 84°F |
| December | 92 | 27° / 81°F | 25° / 77°F | 24 mm | 6 | 27° / 81°F |
Sea temperature in Cayo Largo del Sur by month
The sea off Cayo Largo del Sur is warmest in August at around 31°C / 88°F, and coolest in February at 26°C / 79°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Cayo Largo del Sur on the interactive sunshine globe →
Nearby places for sunshine
- Havana Cuba · 177 km · best in Mar · 2,871 h sun/yr
- George Town Cayman Islands · 259 km · best in Feb · 2,943 h sun/yr
- Key West United States · 328 km · best in Mar · 2,953 h sun/yr
- Miami United States · 482 km · best in Jan · 2,653 h sun/yr
- Montego Bay Jamaica · 514 km · best in Feb · 2,597 h sun/yr
- Fort Myers United States · 547 km · best in Jan · 2,702 h sun/yr
Nearest destinations
- Nueva Gerona Cuba · 130 km · 2,903 h sun/yr · best in Jan
- Cienfuegos Cuba · 131 km · 2,824 h sun/yr · best in Jan
- Matanzas Cuba · 158 km · 2,823 h sun/yr · best in Jan
- Santa Clara Cuba · 192 km · 2,670 h sun/yr · best in Jan
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