Current Sea Water Temperature:
+94.8°F
| Maximum Sea Water Temperature in July: | 94.8°F |
| Minimum Sea Water Temperature in July: | 87.6°F |
| Average water temperature in July: | 90.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 30 | 94.8°F | July 25 | 91.6°F |
| July 29 | 94.8°F | July 24 | 92.6°F |
| July 28 | 93.6°F | July 23 | 92.6°F |
| July 27 | 93.0°F | July 22 | 92.0°F |
| July 26 | 91.8°F | July 21 | 91.4°F |
When is the Warmest Sea for Cayo Largo?
According to our data for the last three years for Cayo Largo the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Cayo Largo was 92.8°F. The maximum and minimum values were 91.6°F and 94.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Cayo Largo was 92.3°F. The maximum and minimum values were 90.8°F and 93.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Cayo Largo was 92.1°F. The maximum and minimum values were 89.6°F and 94.8°F respectively.
Cuba Resorts:
NAME
F°
| Cayo Coco |  |
+104 |
| Cayo Guillermo | |
+90 |
| Cayo Largo |  |
+108 |
| Cayo Santa Maria | |
+94 |
| Havana | |
+94 |
| Holguin | |
+106 |
| Matanzas | |
+98 |
| Pinar del Rio | |
+102 |
| Playa Blanca | |
+96 |
| Playa Esmeralda | |
+96 |
| Playa Santa Lucia | |
+94 |
| Santa Maria | |
+94 |
| Santiago de Cuba | |
+98 |
| Trinidad | |
+94 |
| Varadero | |
+98 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cayo Largo
Local time: 15:13
30 jul, thursday
| 1800 |  |
100°F | S 8 mph |
| 2100 |  |
86°F | SW 6 mph |
31 jul, friday
| 0000 |  |
82°F | W 6 mph |
| 0300 |  |
80°F | W 5 mph |
| 0600 | |
78°F | W 4 mph |
| 0900 |  |
88°F | SW 5 mph |
| 1200 | |
104°F | SW 4 mph |
| 1500 |  |
110°F | SW 5 mph |