World Resorts Cayman Islands Cayman Brac Weather

Cayman Brac Sea Temperature in December

Average sea water temperature in December:
+82.2°F
Minimum sea water temperature in December: 84.2°F
Maximum sea water temperature in December: 80.8°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 83.8°F and 82.9°F.

Monthly sea water temperature in Cayman Brac, °F

Which Cayman Islands resorts have warmest sea in December?

Place name December 2025 December 2024
Little Cayman 83.6°F 82.4°F
Cayman Brac 83.5°F 82.2°F
George Town 83.5°F 82.7°F
Grand Cayman 83.4°F 82.7°F

Best time for vacation in Cayman Brac

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 87.0 °F
July 86.8 °F
September 86.7 °F
Warmest sea temp:
September 86.4 °F
August 86.2 °F
October 85.7 °F
Coldest months:
January 79.8 °F
February 80.1 °F
March 80.6 °F
Rainiest months:
October 7 days
May 6 days
August 5 days
Windiest months:
December 16.7 mph
November 16.1 mph
January 15.5 mph

Cayman Brac on a weather map

Current weather
23:07
Cayman Brac
+81°F
SW 16 mph
Feels like: +88°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
Grand Cayman
+79°F
George Town
+79°F
Cayman Brac
+81°F
Little Cayman
+81°F
24 Hours Forecast
Cayman Brac
Local time: 23:07
December 21, sunday
0000
81°F
SW
16 mph
0300
81°F
W
19 mph
0600
79°F
SW
19 mph
0900
79°F
SW
19 mph
1200
82°F
SW
19 mph
1500
81°F
SW
19 mph
1800
79°F
SW
16 mph
2100
81°F
SW
17 mph
Units of measurement: °C / °F