Where to dive in December
10 destinations are in peak season and 14 are good. Check the certification each one needs before you book.
In season
AnilaoPeak season in DecemberWater23–29°CVis9–25 mCurrentModerateLevelAOW+
Cenotes of the YucatánPeak season in DecemberWater24–25°CVis20–50 mCurrentMildLevelAOW+
CozumelPeak season in DecemberWater25–29°CVis15–40 mCurrentModerateLevelAOW+
Lembeh StraitPeak season in DecemberWater25–29°CVis5–20 mCurrentMildLevelOW
MaldivesPeak season in DecemberWater27–30°CVis15–30 mCurrentModerateLevelAOW+
MoalboalPeak season in DecemberWater26–30°CVis15–30 mCurrentMildLevelOW
PalauPeak season in DecemberWater27–30°CVis20–40 mCurrentStrongLevelAOW+
Raja AmpatPeak season in DecemberWater27–30°CVis10–30 mCurrentModerateLevelAOW+
Similan IslandsPeak season in DecemberWater27–30°CVis15–30 mCurrentModerateLevelOW
Socorro IslandsPeak season in DecemberWater21–28°CVis15–30 mCurrentStrongLevelAOW+
Belize Barrier ReefGood in DecemberWater25–29°CVis15–30 mCurrentModerateLevelAOW+
BonaireGood in DecemberWater26–28°CVis20–30 mCurrentMildLevelOW
Cocos IslandGood in DecemberWater20–28°CVis10–30 mCurrentStrongLevelAOW+
GalápagosGood in DecemberWater16–26°CVis10–25 mCurrentStrongLevelAOW+
Great Barrier ReefGood in DecemberWater22–30°CVis15–30 mCurrentMildLevelOW
KomodoGood in DecemberWater20–29°CVis10–30 mCurrentStrongLevelAOW+
KonaGood in DecemberWater24–28°CVis20–30 mCurrentMildLevelOW
MalapascuaGood in DecemberWater24–30°CVis10–25 mCurrentModerateLevelAOW+
Northern Red SeaGood in DecemberWater21–29°CVis15–30 mCurrentMildLevelOW
Nusa PenidaGood in DecemberWater16–29°CVis10–30 mCurrentStrongLevelAOW+
Rangiroa and FakaravaGood in DecemberWater26–29°CVis15–30 mCurrentStrongLevelAOW+
Roatán and the Bay IslandsGood in DecemberWater26–30°CVis10–30 mCurrentMildLevelOW
SipadanGood in DecemberWater27–30°CVis15–30 mCurrentModerateLevelAOW+
Tulamben and AmedGood in DecemberWater23–29°CVis5–25 mCurrentMildLevelOW
Better another month
AzoresWater15–24°CVis15–30 mCurrentModerateLevelAOW+
FijiWater24–30°CVis15–40 mCurrentModerateLevelOW
Koh TaoWater27–30°CVis5–30 mCurrentMildLevelOW
Malaysia East CoastWater27–30°CVis10–25 mCurrentMildLevelOW
Malta and GozoWater15–26°CVis20–40 mCurrentMildLevelOW
Tubbataha ReefsWater27–29°CVis20–40 mCurrentModerateLevelAOW+