Reservation Options: 1  TripAdvisor is proud to partner with Expedia, Priceline, Hotels.com, Booking.com, Best Western and Travelocity so you can book your BEST WESTERN PLUS Anaheim Orange County Hotel reservations with confidence.
The average day light hours per day in St Lucia in February are 11.7 and there are 4.7 hours of sunshine per day on average during February making it a sunny month that is overcast at times. The ultraviolet index in St Lucia in February is typically 11.6 during February.
Weather on St. Lucia in December. Weather on St. Lucia in December. December marks the beginning of the high-season for travel to St. Lucia. Warm temperatures in the low-80s and relatively dry conditions make the island an perfect place to enjoy fun in the sun while most of North America is covered in winter weather.