What is the weather like in St. Lucia in December?

Expect temperatures between 23°C and 27°C with 17% average rain probability and about 8 hours of sunshine daily.

What is the weather like in St. Lucia in December?

St. Lucia in December scores 64/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit St. Lucia in December?

December in St. Lucia is ideal for: Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples, Business travelers.

St. Lucia Weather in December | 30-Year Forecast

Avg High

27°C

Hottest around day 1

Avg Low

23°C

Coolest around day 29

Rainy Days

0days

17% avg rain chance

Sunshine

8hrs/day

Winter season

Essential Travel Info for St. Lucia

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

XCD

$ Eastern Caribbean dollar

Language

English

Driving

Left side

Travel Intelligence

Exclusive flight analytics & health data for St. Lucia

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

4/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Dec

Low

Apr

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Miami (MIA)

Atlanta Hartsfield Jackson (ATL)

New York John F Kennedy (JFK)

Toronto Pearson (YYZ)

Charlotte Douglas (CLT)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Saint Lucia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Saint Lucia.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Saint Lucia.If rabies exposures occur while in Saint Lucia, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit St. Lucia?

👌Good option with minor considerations(64/100)

Short Answer

Popular December in St. Lucia offers 27°C and 17% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

100% of annual peak - expect crowds and peak prices

Health precautions needed

Be aware of: Leptospirosis, African Tick-Bite Fever, Dengue

Plenty of sunshine

10.1h of sunshine daily

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 27°C, 17% rain chance
📸
Photographers
10.1h sunshine, 57% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 97/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
76% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,St. Lucia in December averages 27°C with 17% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: St. Lucia in December

What are the temperatures in St. Lucia in December?

Daytime highs average 27°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in St. Lucia in December?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in St. Lucia in December?

Comfortable casual wear with a light jacket for evenings.

Is December peak season in St. Lucia?

This is typically peak season with higher prices. Book 2-3 months ahead.

St. Lucia Weather in December

St. Lucia December Weather Calendar