30YearWeather
St. Lucia, December 22
St. Lucia street view during December
Historical Weather Analysis

St. Lucia Weather on December 22 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

27.1°C

High

22.6°C

Low

13%

Rain

🔥 Feels like 29.5°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

December 22 is statistically one of the best days of the year in St. Lucia. With minimal rain risk (13%) and pleasant highs of 27°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in St. Lucia right now—this is when the city truly comes alive with visitors.

Currency

XCD

$ Eastern Caribbean dollar

Language

English

Driving

Left side

St. Lucia Weather Forecast for December 22

"Warm & Sunny. Expect average highs of 27.1°C. 13% chance of rain."

What to Wear in St. Lucia in December

Based on historical data for December 22, St. Lucia typically experiences temperatures between 22.6°C and 27.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for St. Lucia

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

27.1°C

Daytime Peak

Average Low

extreme-cold

22.6°C

Nighttime Low

Feels Like

partly-cloudy-day

29.5°C

🔥 Feels warmer

Rain Chance

rain

13%

Avg 0.9mm if it rains

Cloud Cover

cloudy

43%

Light drizzle

Pressure

pressure

1014.2 hPa

Low volatility

St. Lucia Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

86%Highly Predictable

Based on 10 years of data

Temperature
±0.8°CStable
Precipitation
7-50%Unpredictable

🎯 This date historically delivers consistent weather 86% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0Low
036811+

Protection Needed

SPF 15 for extended outdoor time

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

56Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

22.3°C

Humid/Sticky

Heat Index

29.5°C

Feels hotter

😐 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Saint Lucia

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~10

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in St. Lucia

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:24

☀️ Noon

12:03

🌇 Sunset

17:42

⏱️ Daylight

11h 18m

Golden Hour
Morning06:24 - 06:55
17:11 - 17:42Evening

Wind Speed

wind

23.3 km/h

Moderate wind

Sunshine

clear-day

10.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

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.

Travel Health & Safety in St. Lucia

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

90/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
26AQI
Good
PM2.5 Concentration4.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):41
In Dec (30y):4
Last in Dec:2015-12-28
💡 Occasional tremors possible. Know your hotel's evacuation route.
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, St. Lucia on December 22 averages 27.1°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

St. Lucia Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2021
28.6°C
Coldest
2018
21.4°C
Rainiest
2016
7.0mm

Compare Other Cities

Same date (December 22) in other destinations

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📍 Is St. Lucia Worth Visiting on December 22?

Planning a trip to St. Lucia on December 22? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.1°C with a 13% historical precipitation risk.

✈️ Travel Logistics: Approximately 10 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 8 vaccinations are recommended for Saint Lucia, including COVID-19.

📊 Historical Extremes: The hottest December 22 recorded in the last 30 years saw temperatures hit 28.6°C in 2021, while the coldest dropped to 21.4°C in 2018.

St. Lucia Weather FAQ