Current Sea Water Temperature:
+88.6°F
| Maximum Sea Water Temperature in May: | 90.2°F |
| Minimum Sea Water Temperature in May: | 84.2°F |
| Average water temperature in May: | 86.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 14 | 88.6°F | May 09 | 87.4°F |
| May 13 | 88.4°F | May 08 | 87.6°F |
| May 12 | 87.6°F | May 07 | 87.4°F |
| May 11 | 88.0°F | May 06 | 87.2°F |
| May 10 | 87.6°F | May 05 | 87.2°F |
When is the Warmest Sea for Little Cayman?
According to our data for the last three years for Little Cayman the highest average sea water temperature was in September, August and October.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Little Cayman was 91.7°F. The maximum and minimum values were 91.2°F and 92.2°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Little Cayman was 91.3°F. The maximum and minimum values were 90.2°F and 92.2°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for Little Cayman was 90.8°F. The maximum and minimum values were 89.6°F and 92.0°F respectively.
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Little Cayman
Local time: 10:24
14 may, thursday
| 1200 | ![]() |
84°F | N 2 mph |
| 1500 | ![]() |
86°F | NE 1 mph |
| 1800 | ![]() |
86°F | S 2 mph |
| 2100 | ![]() |
86°F | SW 3 mph |
15 may, friday
| 0000 | ![]() |
86°F | W 5 mph |
| 0300 | ![]() |
84°F | W 6 mph |
| 0600 | ![]() |
84°F | SW 8 mph |
| 0900 | ![]() |
86°F | W 9 mph |






























