← Saint Lucia
Sea temperature in Saint Lucia in March
27°Ctropical · monthly average
The sea around Saint Lucia averages 27°C in March. Warm enough for relaxed swimming with no wetsuit needed.
Monthly sea temperatures across the year
Best swim months
Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Warmest month
August (29°C)
Coolest month
January (27°C)
Best beaches in Saint Lucia
Gros Islet
Reduit Beach
St Lucia's signature mile-long resort beach.
Soufriere
Anse Chastanet
Dark-sand cove beneath the Pitons.
Soufriere
Sugar Beach
White-sand beach between the Pitons.
Gros Islet
Reduit Beach
Saint Lucia's busiest soft-sand resort beach.
Soufrière
Anse Chastanet
Dark-sand beach beneath the Pitons with great reef snorkeling.
Soufrière
Sugar Beach
White-sand beach wedged between the Pitons.
Gros Islet
Reduit Beach
Coastal beach near Rodney Bay.
Soufriere
Anse Chastanet
Coastal beach near Soufriere.
Soufriere
Sugar Beach
Coastal beach near Soufriere.