Month guide · Saint Lucia
Saint Lucia in December
What December is really like in Saint Lucia: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Charles J. Sharp, CC BY 3.0
Quick answer
December is a shoulder-season month. Expect average highs of 29°C (84°F), lows of 23°C (73°F), about 17 rainy days and roughly 11.3 hours of daylight. The dry season begins and festive crowds arrive; Rodney Bay fills with sailing yachts.
Key facts
- Average high / low
- 29°C (84°F) / 23°C (73°F)
- Rainy days
- About 17
- Daylight
- About 11.3 hours
- Sea temperature
- 28°C (82°F)
- Crowds
- Busy
- Hotel prices
- Highest
Weather in December
December is the coolest month in Saint Lucia: days average 29°C (84°F) against a yearly average high of 30°C (86°F), and nights fall to about 23°C (73°F). Rain falls on roughly 17 of its 31 days. Compared with November (30°C (86°F)), December is about as warm; by January highs stay near 29°C (84°F).
- Sunrise (15 December)
- About 06:20
- Sunset (15 December)
- About 17:39
- Daylight
- About 11.3 hours
- Sea
- 28°C (82°F)
Late wet season (November). Showers ease towards December and prices are still low before the high season begins.
Crowds and prices
On a 1–5 scale, December rates 4 for crowds (the peak is January at 5) and 5 for hotel prices (highest in January). Book accommodation early: December is one of the pricier months.
Events in December
- Atlantic Rally for Cruisers yachts arrive in Rodney Bay (usually December)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in December
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Experience · Rodney Bay and Gros Islet
Rainforest aerial tram and zip-lines at Chassin
At Chassin in Babonneau, inland from Castries, an aerial tram glides through the rainforest canopy with a naturalist guide, and zip-line courses cross the valley.
- Time needed
- 2–3 hours
- Cost
- Expensive
- Kids
- Nature
- Active
- Outdoors
Market · Castries and Vigie
Castries Central Market
Go on a Saturday morning, the busiest market day, and avoid cruise-ship hours if you want a calmer visit.
- Time needed
- 1–2 hours
- Cost
- Free
- Shopping
- Food
- Free
- History
- Rainy day

Nature · Soufrière
The Pitons
Gros Piton and Petit Piton, both over 700 metres high, are volcanic plugs rising directly from the sea south of Soufrière, linked by the Piton Mitan ridge.
- Time needed
- Half a day for viewpoints
- Cost
- Free
- Iconic
- Views
- Nature
- Photo spot
- Free

Nature · Soufrière
Sulphur Springs
Wear an old dark swimsuit for the mud baths, and remove silver jewellery, which the sulphur can tarnish.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Iconic
- Nature
- Kids
- Couples
The sea averages 28°C (82°F) — warm enough to swim. Best beaches near Saint Lucia.
What to pack
For highs near 29°C, lows near 23°C and 17 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is December a good time to visit Saint Lucia?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, January–April are better overall. Compare every month.
Saint Lucia in other months
Questions travellers ask
+Is December a good time to visit Saint Lucia?
It is a shoulder-season month. The dry season begins and festive crowds arrive; Rodney Bay fills with sailing yachts.
+How warm is Saint Lucia in December?
Average highs are around 29°C (84°F) and lows around 23°C (73°F).
+Does it rain a lot in Saint Lucia in December?
Expect rain on about 17 days of the month, so pack for wet weather.