What is the weather like in St. Lucia throughout the year?

St. Lucia experiences varying weather throughout the year. The warmest month is September with average highs of 29°C. The coolest month is December.

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

St. Lucia in March scores 65/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit St. Lucia in March?

March in St. Lucia is ideal for: Families with children, Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples.

Best Time to Visit St. Lucia | 30-Year Weather Analysis

Why March is the Best Time to Visit St. Lucia

Is March a Good Time to Visit St. Lucia?

👍Solid choice for most travelers(65/100)

Short Answer

Popular March in St. Lucia offers 27°C and 11% 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

Excellent dry conditions

Only 11% rain probability - ideal for outdoor activities

Health precautions needed

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

Plenty of sunshine

11.1h of sunshine daily

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 27.4°C temperatures and low 11% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 27.4°C, 11% rain chance
📸
Photographers
11.1h sunshine, 55% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 100/100 with romantic weather conditions

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere

Warmest

September

29°C avg

Coolest

December

27°C avg

Driest

March

11% rain

Wettest

October

40% rain

Planning Your Trip to St. Lucia, Saint Lucia

Wondering when is the best time to visit St. Lucia? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to St. Lucia are March, January, February. During these months, you'll experience optimal temperatures around 27°C with only 11% chance of rain.

The St. Lucia climate varies throughout the year. September is the hottest month with average highs of 29°C, while December is the coldest at 27°C. If you're planning outdoor activities or sightseeing in St. Lucia, avoid October when rainfall peaks at 40% probability.

For the best St. Lucia weather experience, we recommend visiting during March for the driest conditions or the shoulder months of March and January for a perfect balance of weather and fewer crowds.

St. Lucia Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for St. Lucia

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit St. Lucia: Travel Style Guide

Personalized St. Lucia travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

MaySeptemberApril

Budget Travelers

Shoulder season with good weather and lower prices

JanuaryFebruaryApril

Avoiding Crowds

Fewer tourists with acceptable weather conditions

AugustSeptember

Photography

Best light conditions with clear skies

MarchFebruaryApril

Honeymoon

Perfect conditions for a romantic getaway

JanuaryFebruaryMarch

St. Lucia Weather FAQ: Your Questions Answered

What is the best time to visit St. Lucia?

Based on 30 years of weather data, the best months to visit St. Lucia are March, January, February. These months offer the optimal combination of pleasant temperatures (27°C avg) and low rainfall (11% chance).

When is the hottest time of year in St. Lucia?

September is historically the warmest month in St. Lucia with average highs of 29°C. If you prefer cooler weather, consider visiting in December when temperatures average around 27°C.

When is the rainy season in St. Lucia?

October typically sees the most rainfall in St. Lucia with a 40% chance of rain. For the driest conditions, plan your visit in March when rain probability drops to just 11%.

How accurate is the St. Lucia weather forecast?

Our St. Lucia climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to St. Lucia.

What should I pack for St. Lucia?

Packing depends on when you visit. In September (warmest month), pack light summer clothes for 29°C weather. In December (coolest month), bring layers for 27°C temperatures.

Is St. Lucia good for a destination wedding?

Yes! The best months for an outdoor wedding in St. Lucia are March (only 11% rain chance) and March for optimal weather conditions. Avoid October when rain probability peaks at 40%.